diff --git a/README-zh.md b/README-zh.md
index 6496f4f80..27736fb94 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,4 +1,4 @@
-<img src="https://github.com/Tencent/spring-cloud-tencent/raw/2020.0/doc/logo/rectangle-white.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
+# Spring Cloud Tencent
 
 [![Wiki](https://badgen.net/badge/icon/wiki?icon=wiki&label)](https://github.com/Tencent/spring-cloud-tencent/wiki)
 [![Maven Central](https://img.shields.io/maven-central/v/com.tencent.cloud/spring-cloud-tencent?label=Maven%20Central)](https://search.maven.org/search?q=g:com.tencent.cloud%20AND%20a:spring-cloud-tencent)
diff --git a/README.md b/README.md
index 8b85b81a9..3a5fdf047 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<img src="https://github.com/Tencent/spring-cloud-tencent/raw/2020.0/doc/logo/rectangle-white.png" width="60%" height="60%"  alt="Spring-Cloud-Tencent-Logo"/>
+# Spring Cloud Tencent
 
 [![Wiki](https://badgen.net/badge/icon/wiki?icon=wiki&label)](https://github.com/Tencent/spring-cloud-tencent/wiki)
 [![Maven Central](https://img.shields.io/maven-central/v/com.tencent.cloud/spring-cloud-tencent?label=Maven%20Central)](https://search.maven.org/search?q=g:com.tencent.cloud%20AND%20a:spring-cloud-tencent)
diff --git a/doc/logo/1280x640-transparent.png b/doc/logo/1280x640-transparent.png
deleted file mode 100644
index 9e722651c..000000000
Binary files a/doc/logo/1280x640-transparent.png and /dev/null differ
diff --git a/doc/logo/1280x640-transparent.svg b/doc/logo/1280x640-transparent.svg
deleted file mode 100644
index ed57761db..000000000
--- a/doc/logo/1280x640-transparent.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="1280px" height="640px" viewBox="0 0 1280 640" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>1280x640-svg透明</title>
-    <g id="1280x640-svg透明" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" x="0" y="0" width="1280" height="640"></rect>
-        <g id="编组-2" transform="translate(319.000000, 40.000000)">
-            <path d="M30.8310246,536.353958 L32.0117872,529.794552 C32.2741789,528.417076 32.8645602,524.547026 32.8645602,522.710393 C32.8645602,517.790838 29.3222723,517.003709 23.7464487,517.003709 L15.3499144,517.003709 C13.5131725,517.003709 12.5948015,516.675739 12.5948015,515.560639 C12.5948015,514.970293 12.7915953,513.658412 13.1195849,511.952966 L13.90676,507.886134 C14.5627393,504.540836 15.0875227,503.884896 18.1050272,503.884896 L34.0453229,503.884896 L37.0628274,496.669549 L17.6458417,496.669549 C9.44610114,496.669549 6.88778208,498.506182 5.51022566,506.37747 L4.2638651,513.330441 C3.93587547,515.232669 3.67348378,516.938115 3.67348378,518.381184 C3.67348378,522.51361 5.44462774,524.547026 10.7580596,524.547026 L20.5321504,524.547026 C22.8936757,524.547026 23.8120466,524.678215 23.8120466,526.121284 C23.8120466,526.842819 23.6808508,528.285888 23.2216653,530.581681 L22.5656861,533.992572 C21.712913,538.584157 21.0569338,539.043315 16.7274708,539.043315 L0,539.043315 L1.31195849,546.324256 L16.5962749,546.324256 C25.4519947,546.324256 29.2566744,545.209157 30.8310246,536.353958 Z M43.0456861,558 L45.0792218,546.38985 L54.2629312,546.38985 C65.0865888,546.38985 67.7105057,543.96287 69.5472476,533.533413 L71.1215978,524.743809 C71.7119791,521.398511 71.9743708,519.233907 71.9743708,517.725244 C71.9743708,511.493807 68.5632788,509.132421 60.1667444,509.132421 L43.5704695,509.132421 L34.9115434,558 L43.0456861,558 Z M54.7221167,539.76485 L46.2599844,539.76485 L50.5238495,515.757422 L58.0020129,515.757422 C62.265878,515.757422 63.7090323,516.282174 63.7090323,519.102719 C63.7090323,520.283412 63.5122386,521.923264 62.9874552,524.743809 L61.413105,533.533413 C60.494734,538.584157 59.4451672,539.76485 54.7221167,539.76485 Z M82.745878,546.324256 L87.140939,521.595294 C87.993712,516.675739 88.9776809,515.88861 93.7007314,515.88861 L99.6701426,515.88861 L102.490853,509.132421 L93.4383397,509.132421 C83.1394656,509.132421 80.7779403,510.969055 79.0067963,521.136135 L74.5461375,546.324256 L82.745878,546.324256 Z M117.263834,503.032173 L118.772586,494.636132 L110.376052,494.636132 L108.8673,503.032173 L117.263834,503.032173 Z M109.588877,546.324256 L116.083071,509.132421 L107.948929,509.132421 L101.454734,546.324256 L109.588877,546.324256 Z M126.723383,546.324256 L132.036815,515.88861 L141.614112,515.88861 C144.697214,515.88861 145.681183,516.347768 145.681183,518.643561 C145.681183,519.627472 145.484389,521.267323 145.025204,523.825492 L141.02373,546.324256 L149.157873,546.324256 L153.093748,523.825492 C153.749728,520.021036 154.143315,517.594056 154.143315,515.823016 C154.143315,511.100243 151.519398,509.132421 143.122864,509.132421 L125.083435,509.132421 L118.58924,546.324256 L126.723383,546.324256 Z M175.148099,558 C182.69186,558 186.562137,556.22896 188.136488,547.308167 L192.203559,524.28465 C192.79394,520.939353 193.056332,518.774749 193.056332,517.266085 C193.056332,510.969055 189.579642,508.673263 181.248706,508.673263 L176.722449,508.673263 C165.767595,508.673263 163.340472,511.034649 161.438132,521.529699 L160.454163,526.974007 C159.863782,530.319304 159.60139,532.483908 159.60139,533.992572 C159.60139,540.289602 163.07808,542.585395 171.409017,542.585395 L180.855118,542.585395 L180.395933,545.143563 C179.411964,550.915841 178.427995,551.309405 173.311357,551.309405 L159.798184,551.309405 L160.978947,558 L175.148099,558 Z M182.035881,535.960394 L173.50815,535.960394 C169.178687,535.960394 167.801131,535.435641 167.801131,532.615097 C167.801131,531.434403 168.129121,529.532175 168.588306,526.974007 L169.572275,521.529699 C170.425048,516.741333 171.212223,515.232669 176.197665,515.232669 L179.149572,515.232669 C183.413437,515.232669 184.856591,515.757422 184.856591,518.577966 C184.856591,519.75866 184.5942,521.398511 184.069416,524.219056 L182.035881,535.960394 Z M239.657754,546.324256 L242.740856,539.043315 L230.539642,539.043315 C225.029416,539.043315 222.733489,538.452968 222.733489,534.910889 C222.733489,533.139849 223.258272,529.860146 224.045448,525.662126 L226.406973,512.543312 C227.587735,506.0495 228.506106,503.95049 233.75394,503.95049 L246.08635,503.95049 L249.103855,496.669549 L232.704374,496.669549 C223.192674,496.669549 219.978376,499.424499 218.207232,509.460391 L214.79614,528.48267 C214.074563,532.418314 213.877769,534.582919 213.877769,536.550741 C213.877769,543.831682 217.748047,546.324256 226.931756,546.324256 L239.657754,546.324256 Z M264.204825,546.324256 L267.025536,539.699256 L263.220856,539.699256 C258.956991,539.699256 257.317043,539.633662 257.317043,537.075493 C257.317043,535.698018 257.71063,533.533413 258.235414,530.712869 L264.729608,493.980192 L256.595466,493.980192 L250.101271,530.712869 C249.51089,534.058166 249.051704,536.813117 249.051704,539.043315 C249.051704,544.618811 252.266003,546.324256 259.547372,546.324256 L264.204825,546.324256 Z M287.111948,546.783415 C298.066802,546.783415 300.625121,544.422028 302.461863,533.926978 L304.167409,524.28465 C304.75779,520.939353 305.020182,518.774749 305.020182,517.266085 C305.020182,510.969055 301.543492,508.673263 293.212555,508.673263 L288.686298,508.673263 C277.731445,508.673263 275.173126,511.034649 273.336384,521.529699 L271.630838,531.172027 C271.040457,534.517324 270.778065,536.681929 270.778065,538.190592 C270.778065,544.487622 274.254755,546.783415 282.585691,546.783415 L287.111948,546.783415 Z M287.636732,540.158414 L284.684825,540.158414 C280.355362,540.158414 278.977806,539.633662 278.977806,536.813117 C278.977806,535.632424 279.240197,533.992572 279.764981,531.172027 L281.470527,521.529699 C282.3233,516.741333 283.176073,515.232669 288.161515,515.232669 L291.113422,515.232669 C295.377287,515.232669 296.820441,515.757422 296.820441,518.577966 C296.820441,519.75866 296.558049,521.398511 296.033266,524.219056 L294.32772,533.861384 C293.474947,538.649751 292.622174,540.158414 287.636732,540.158414 Z M339.013354,546.324256 L345.573147,509.132421 L337.439004,509.132421 L332.059974,539.568068 L322.08909,539.568068 C319.005987,539.568068 318.022018,539.108909 318.022018,536.813117 C318.022018,535.829206 318.218812,534.189354 318.677997,531.631186 L322.679471,509.132421 L314.545328,509.132421 L310.609453,531.631186 C309.953473,535.435641 309.559886,537.862622 309.559886,539.633662 C309.559886,544.356434 312.183803,546.324256 320.580337,546.324256 L339.013354,546.324256 Z M377.139196,546.324256 L386.388503,493.980192 L378.254361,493.980192 L375.564846,509.132421 L366.57793,509.132421 C355.688674,509.132421 352.99916,511.559401 351.228016,521.988858 L349.719263,530.712869 C349.128882,534.058166 348.86649,536.22277 348.86649,537.731434 C348.86649,543.96287 352.34318,546.324256 360.674117,546.324256 L377.139196,546.324256 Z M370.185816,539.699256 L362.904446,539.699256 C358.640581,539.699256 357.131829,539.174503 357.131829,536.353958 C357.131829,535.173265 357.328623,533.664602 357.853406,530.844057 L359.427756,521.988858 C360.280529,517.069303 361.330096,515.757422 366.118745,515.757422 L374.384083,515.757422 L370.185816,539.699256 Z M419.607948,546.324256 L427.086112,503.95049 L439.15613,503.95049 L440.468088,496.669549 L407.406734,496.669549 L406.094776,503.95049 L418.230392,503.95049 L410.752228,546.324256 L419.607948,546.324256 Z M458.717759,546.324256 L461.407274,539.699256 L448.222091,539.699256 C444.417411,539.699256 443.236649,539.174503 443.236649,536.878711 C443.236649,536.157176 443.367844,535.107671 443.564638,533.992572 L443.892628,531.959156 L458.324171,531.959156 C463.768799,531.959156 465.933531,529.92574 466.983097,524.087868 L467.901468,518.905937 C468.098262,517.856432 468.16386,516.806927 468.16386,516.019798 C468.16386,510.509896 464.490376,508.673263 457.602594,508.673263 L453.141935,508.673263 C443.49904,508.673263 439.694361,510.509896 438.12001,519.561877 L435.561691,534.254948 C435.2993,535.829206 435.102506,537.469057 435.102506,538.846533 C435.102506,544.159652 438.12001,546.324256 446.647741,546.324256 L458.717759,546.324256 Z M456.225038,525.596532 L445.07339,525.596532 L446.122957,519.561877 C446.815671,515.783659 448.173391,515.269822 450.950595,515.23476 L455.962646,515.232669 C458.98015,515.232669 459.964119,515.626234 459.964119,517.200491 C459.964119,517.65965 459.898521,518.118808 459.767326,518.905937 L459.045748,523.169551 C458.783357,524.874997 458.06178,525.596532 456.225038,525.596532 Z M478.016996,546.324256 L483.330428,515.88861 L492.907725,515.88861 C495.990828,515.88861 496.974796,516.347768 496.974796,518.643561 C496.974796,519.627472 496.778003,521.267323 496.318817,523.825492 L492.317344,546.324256 L500.451486,546.324256 L504.387362,523.825492 C505.043341,520.021036 505.436929,517.594056 505.436929,515.823016 C505.436929,511.100243 502.813012,509.132421 494.416477,509.132421 L476.377048,509.132421 L469.882854,546.324256 L478.016996,546.324256 Z M532.739113,546.324256 L535.559824,539.699256 L524.080187,539.699256 C519.750724,539.699256 518.307569,539.174503 518.307569,536.353958 C518.307569,535.173265 518.569961,533.533413 519.094745,530.712869 L520.669095,521.988858 C521.587466,517.069303 522.571435,515.757422 527.360083,515.757422 L537.199772,515.757422 L539.954885,509.132421 L527.819269,509.132421 C516.864415,509.132421 514.306096,511.559401 512.469354,522.120046 L510.960602,530.712869 C510.370221,534.058166 510.107829,536.22277 510.107829,537.731434 C510.107829,543.96287 513.584519,546.324256 521.915455,546.324256 L532.739113,546.324256 Z M564.829946,546.324256 L567.51946,539.699256 L554.334278,539.699256 C550.529598,539.699256 549.348835,539.174503 549.348835,536.878711 C549.348835,536.157176 549.480031,535.107671 549.676825,533.992572 L550.004815,531.959156 L564.436358,531.959156 C569.880986,531.959156 572.045717,529.92574 573.095284,524.087868 L574.013655,518.905937 C574.210449,517.856432 574.276047,516.806927 574.276047,516.019798 C574.276047,510.509896 570.602563,508.673263 563.714781,508.673263 L559.254122,508.673263 C549.611227,508.673263 545.806547,510.509896 544.232197,519.561877 L541.673878,534.254948 C541.411486,535.829206 541.214693,537.469057 541.214693,538.846533 C541.214693,544.159652 544.232197,546.324256 552.759927,546.324256 L564.829946,546.324256 Z M562.337224,525.596532 L551.185577,525.596532 L552.235144,519.561877 C552.927858,515.783659 554.285578,515.269822 557.062782,515.23476 L562.074833,515.232669 C565.092337,515.232669 566.076306,515.626234 566.076306,517.200491 C566.076306,517.65965 566.010708,518.118808 565.879512,518.905937 L565.157935,523.169551 C564.895543,524.874997 564.173966,525.596532 562.337224,525.596532 Z M584.129183,546.324256 L589.442615,515.88861 L599.019912,515.88861 C602.103014,515.88861 603.086983,516.347768 603.086983,518.643561 C603.086983,519.627472 602.890189,521.267323 602.431004,523.825492 L598.429531,546.324256 L606.563673,546.324256 L610.499549,523.825492 C611.155528,520.021036 611.549115,517.594056 611.549115,515.823016 C611.549115,511.100243 608.925198,509.132421 600.528664,509.132421 L582.489235,509.132421 L575.99504,546.324256 L584.129183,546.324256 Z M634.390641,546.324256 L637.211352,539.699256 L632.750693,539.699256 C628.486828,539.699256 626.846879,539.633662 626.846879,537.009899 C626.846879,535.960394 627.109271,534.254948 627.437261,532.483908 L630.389167,515.757422 L640.819237,515.757422 L642,509.132421 L631.56993,509.132421 L633.537868,498.112618 L625.403725,498.112618 L623.435787,509.132421 L618.515943,509.132421 L617.400778,515.757422 L622.255025,515.757422 L619.303118,532.483908 C618.909531,534.582919 618.581541,536.878711 618.581541,538.584157 C618.581541,544.356434 622.255025,546.324256 629.601992,546.324256 L634.390641,546.324256 Z" id="SpringCloudTencent" fill="#000000" fill-rule="nonzero"></path>
-            <g id="编组" transform="translate(83.649787, 0.000000)">
-                <polygon id="路径-2备份-10" fill="#95D2F7" points="257.639612 26.0227787 257.639612 94.0471013 316.67351 60.03494"></polygon>
-                <polygon id="矩形备份-25" fill="#7F98FF" points="128.976318 165.632275 291.082089 259.679376 291.082089 447.773579 128.976318 353.726478"></polygon>
-                <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(338.164062, 145.658818) scale(-1, 1) translate(-338.164062, -145.658818) " points="257.111176 5.17484077e-13 419.216947 94.0471013 419.216947 291.317637 257.111176 197.270536"></polygon>
-                <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(128.976318, 91.992470) scale(-1, 1) translate(-128.976318, -91.992470) " points="128.976318 17.1657155 257.952635 91.9924704 128.976318 166.819225 9.16431856e-13 91.9924704"></polygon>
-                <polygon id="路径-3" fill="#4065FF" points="257.111176 240.110742 257.111176 291.317637 291.082089 271.961008 291.082089 259.679376"></polygon>
-            </g>
-        </g>
-    </g>
-</svg>
\ No newline at end of file
diff --git a/doc/logo/1280x640-white.png b/doc/logo/1280x640-white.png
deleted file mode 100644
index 21181cfda..000000000
Binary files a/doc/logo/1280x640-white.png and /dev/null differ
diff --git a/doc/logo/1280x640-white.svg b/doc/logo/1280x640-white.svg
deleted file mode 100644
index e09dba3f9..000000000
--- a/doc/logo/1280x640-white.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="1280px" height="640px" viewBox="0 0 1280 640" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>1280x640-svg白底</title>
-    <g id="1280x640-svg白底" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" fill="#FFFFFF" x="0" y="0" width="1280" height="640"></rect>
-        <g id="编组-2" transform="translate(319.000000, 40.000000)">
-            <path d="M30.8310246,536.353958 L32.0117872,529.794552 C32.2741789,528.417076 32.8645602,524.547026 32.8645602,522.710393 C32.8645602,517.790838 29.3222723,517.003709 23.7464487,517.003709 L15.3499144,517.003709 C13.5131725,517.003709 12.5948015,516.675739 12.5948015,515.560639 C12.5948015,514.970293 12.7915953,513.658412 13.1195849,511.952966 L13.90676,507.886134 C14.5627393,504.540836 15.0875227,503.884896 18.1050272,503.884896 L34.0453229,503.884896 L37.0628274,496.669549 L17.6458417,496.669549 C9.44610114,496.669549 6.88778208,498.506182 5.51022566,506.37747 L4.2638651,513.330441 C3.93587547,515.232669 3.67348378,516.938115 3.67348378,518.381184 C3.67348378,522.51361 5.44462774,524.547026 10.7580596,524.547026 L20.5321504,524.547026 C22.8936757,524.547026 23.8120466,524.678215 23.8120466,526.121284 C23.8120466,526.842819 23.6808508,528.285888 23.2216653,530.581681 L22.5656861,533.992572 C21.712913,538.584157 21.0569338,539.043315 16.7274708,539.043315 L0,539.043315 L1.31195849,546.324256 L16.5962749,546.324256 C25.4519947,546.324256 29.2566744,545.209157 30.8310246,536.353958 Z M43.0456861,558 L45.0792218,546.38985 L54.2629312,546.38985 C65.0865888,546.38985 67.7105057,543.96287 69.5472476,533.533413 L71.1215978,524.743809 C71.7119791,521.398511 71.9743708,519.233907 71.9743708,517.725244 C71.9743708,511.493807 68.5632788,509.132421 60.1667444,509.132421 L43.5704695,509.132421 L34.9115434,558 L43.0456861,558 Z M54.7221167,539.76485 L46.2599844,539.76485 L50.5238495,515.757422 L58.0020129,515.757422 C62.265878,515.757422 63.7090323,516.282174 63.7090323,519.102719 C63.7090323,520.283412 63.5122386,521.923264 62.9874552,524.743809 L61.413105,533.533413 C60.494734,538.584157 59.4451672,539.76485 54.7221167,539.76485 Z M82.745878,546.324256 L87.140939,521.595294 C87.993712,516.675739 88.9776809,515.88861 93.7007314,515.88861 L99.6701426,515.88861 L102.490853,509.132421 L93.4383397,509.132421 C83.1394656,509.132421 80.7779403,510.969055 79.0067963,521.136135 L74.5461375,546.324256 L82.745878,546.324256 Z M117.263834,503.032173 L118.772586,494.636132 L110.376052,494.636132 L108.8673,503.032173 L117.263834,503.032173 Z M109.588877,546.324256 L116.083071,509.132421 L107.948929,509.132421 L101.454734,546.324256 L109.588877,546.324256 Z M126.723383,546.324256 L132.036815,515.88861 L141.614112,515.88861 C144.697214,515.88861 145.681183,516.347768 145.681183,518.643561 C145.681183,519.627472 145.484389,521.267323 145.025204,523.825492 L141.02373,546.324256 L149.157873,546.324256 L153.093748,523.825492 C153.749728,520.021036 154.143315,517.594056 154.143315,515.823016 C154.143315,511.100243 151.519398,509.132421 143.122864,509.132421 L125.083435,509.132421 L118.58924,546.324256 L126.723383,546.324256 Z M175.148099,558 C182.69186,558 186.562137,556.22896 188.136488,547.308167 L192.203559,524.28465 C192.79394,520.939353 193.056332,518.774749 193.056332,517.266085 C193.056332,510.969055 189.579642,508.673263 181.248706,508.673263 L176.722449,508.673263 C165.767595,508.673263 163.340472,511.034649 161.438132,521.529699 L160.454163,526.974007 C159.863782,530.319304 159.60139,532.483908 159.60139,533.992572 C159.60139,540.289602 163.07808,542.585395 171.409017,542.585395 L180.855118,542.585395 L180.395933,545.143563 C179.411964,550.915841 178.427995,551.309405 173.311357,551.309405 L159.798184,551.309405 L160.978947,558 L175.148099,558 Z M182.035881,535.960394 L173.50815,535.960394 C169.178687,535.960394 167.801131,535.435641 167.801131,532.615097 C167.801131,531.434403 168.129121,529.532175 168.588306,526.974007 L169.572275,521.529699 C170.425048,516.741333 171.212223,515.232669 176.197665,515.232669 L179.149572,515.232669 C183.413437,515.232669 184.856591,515.757422 184.856591,518.577966 C184.856591,519.75866 184.5942,521.398511 184.069416,524.219056 L182.035881,535.960394 Z M239.657754,546.324256 L242.740856,539.043315 L230.539642,539.043315 C225.029416,539.043315 222.733489,538.452968 222.733489,534.910889 C222.733489,533.139849 223.258272,529.860146 224.045448,525.662126 L226.406973,512.543312 C227.587735,506.0495 228.506106,503.95049 233.75394,503.95049 L246.08635,503.95049 L249.103855,496.669549 L232.704374,496.669549 C223.192674,496.669549 219.978376,499.424499 218.207232,509.460391 L214.79614,528.48267 C214.074563,532.418314 213.877769,534.582919 213.877769,536.550741 C213.877769,543.831682 217.748047,546.324256 226.931756,546.324256 L239.657754,546.324256 Z M264.204825,546.324256 L267.025536,539.699256 L263.220856,539.699256 C258.956991,539.699256 257.317043,539.633662 257.317043,537.075493 C257.317043,535.698018 257.71063,533.533413 258.235414,530.712869 L264.729608,493.980192 L256.595466,493.980192 L250.101271,530.712869 C249.51089,534.058166 249.051704,536.813117 249.051704,539.043315 C249.051704,544.618811 252.266003,546.324256 259.547372,546.324256 L264.204825,546.324256 Z M287.111948,546.783415 C298.066802,546.783415 300.625121,544.422028 302.461863,533.926978 L304.167409,524.28465 C304.75779,520.939353 305.020182,518.774749 305.020182,517.266085 C305.020182,510.969055 301.543492,508.673263 293.212555,508.673263 L288.686298,508.673263 C277.731445,508.673263 275.173126,511.034649 273.336384,521.529699 L271.630838,531.172027 C271.040457,534.517324 270.778065,536.681929 270.778065,538.190592 C270.778065,544.487622 274.254755,546.783415 282.585691,546.783415 L287.111948,546.783415 Z M287.636732,540.158414 L284.684825,540.158414 C280.355362,540.158414 278.977806,539.633662 278.977806,536.813117 C278.977806,535.632424 279.240197,533.992572 279.764981,531.172027 L281.470527,521.529699 C282.3233,516.741333 283.176073,515.232669 288.161515,515.232669 L291.113422,515.232669 C295.377287,515.232669 296.820441,515.757422 296.820441,518.577966 C296.820441,519.75866 296.558049,521.398511 296.033266,524.219056 L294.32772,533.861384 C293.474947,538.649751 292.622174,540.158414 287.636732,540.158414 Z M339.013354,546.324256 L345.573147,509.132421 L337.439004,509.132421 L332.059974,539.568068 L322.08909,539.568068 C319.005987,539.568068 318.022018,539.108909 318.022018,536.813117 C318.022018,535.829206 318.218812,534.189354 318.677997,531.631186 L322.679471,509.132421 L314.545328,509.132421 L310.609453,531.631186 C309.953473,535.435641 309.559886,537.862622 309.559886,539.633662 C309.559886,544.356434 312.183803,546.324256 320.580337,546.324256 L339.013354,546.324256 Z M377.139196,546.324256 L386.388503,493.980192 L378.254361,493.980192 L375.564846,509.132421 L366.57793,509.132421 C355.688674,509.132421 352.99916,511.559401 351.228016,521.988858 L349.719263,530.712869 C349.128882,534.058166 348.86649,536.22277 348.86649,537.731434 C348.86649,543.96287 352.34318,546.324256 360.674117,546.324256 L377.139196,546.324256 Z M370.185816,539.699256 L362.904446,539.699256 C358.640581,539.699256 357.131829,539.174503 357.131829,536.353958 C357.131829,535.173265 357.328623,533.664602 357.853406,530.844057 L359.427756,521.988858 C360.280529,517.069303 361.330096,515.757422 366.118745,515.757422 L374.384083,515.757422 L370.185816,539.699256 Z M419.607948,546.324256 L427.086112,503.95049 L439.15613,503.95049 L440.468088,496.669549 L407.406734,496.669549 L406.094776,503.95049 L418.230392,503.95049 L410.752228,546.324256 L419.607948,546.324256 Z M458.717759,546.324256 L461.407274,539.699256 L448.222091,539.699256 C444.417411,539.699256 443.236649,539.174503 443.236649,536.878711 C443.236649,536.157176 443.367844,535.107671 443.564638,533.992572 L443.892628,531.959156 L458.324171,531.959156 C463.768799,531.959156 465.933531,529.92574 466.983097,524.087868 L467.901468,518.905937 C468.098262,517.856432 468.16386,516.806927 468.16386,516.019798 C468.16386,510.509896 464.490376,508.673263 457.602594,508.673263 L453.141935,508.673263 C443.49904,508.673263 439.694361,510.509896 438.12001,519.561877 L435.561691,534.254948 C435.2993,535.829206 435.102506,537.469057 435.102506,538.846533 C435.102506,544.159652 438.12001,546.324256 446.647741,546.324256 L458.717759,546.324256 Z M456.225038,525.596532 L445.07339,525.596532 L446.122957,519.561877 C446.815671,515.783659 448.173391,515.269822 450.950595,515.23476 L455.962646,515.232669 C458.98015,515.232669 459.964119,515.626234 459.964119,517.200491 C459.964119,517.65965 459.898521,518.118808 459.767326,518.905937 L459.045748,523.169551 C458.783357,524.874997 458.06178,525.596532 456.225038,525.596532 Z M478.016996,546.324256 L483.330428,515.88861 L492.907725,515.88861 C495.990828,515.88861 496.974796,516.347768 496.974796,518.643561 C496.974796,519.627472 496.778003,521.267323 496.318817,523.825492 L492.317344,546.324256 L500.451486,546.324256 L504.387362,523.825492 C505.043341,520.021036 505.436929,517.594056 505.436929,515.823016 C505.436929,511.100243 502.813012,509.132421 494.416477,509.132421 L476.377048,509.132421 L469.882854,546.324256 L478.016996,546.324256 Z M532.739113,546.324256 L535.559824,539.699256 L524.080187,539.699256 C519.750724,539.699256 518.307569,539.174503 518.307569,536.353958 C518.307569,535.173265 518.569961,533.533413 519.094745,530.712869 L520.669095,521.988858 C521.587466,517.069303 522.571435,515.757422 527.360083,515.757422 L537.199772,515.757422 L539.954885,509.132421 L527.819269,509.132421 C516.864415,509.132421 514.306096,511.559401 512.469354,522.120046 L510.960602,530.712869 C510.370221,534.058166 510.107829,536.22277 510.107829,537.731434 C510.107829,543.96287 513.584519,546.324256 521.915455,546.324256 L532.739113,546.324256 Z M564.829946,546.324256 L567.51946,539.699256 L554.334278,539.699256 C550.529598,539.699256 549.348835,539.174503 549.348835,536.878711 C549.348835,536.157176 549.480031,535.107671 549.676825,533.992572 L550.004815,531.959156 L564.436358,531.959156 C569.880986,531.959156 572.045717,529.92574 573.095284,524.087868 L574.013655,518.905937 C574.210449,517.856432 574.276047,516.806927 574.276047,516.019798 C574.276047,510.509896 570.602563,508.673263 563.714781,508.673263 L559.254122,508.673263 C549.611227,508.673263 545.806547,510.509896 544.232197,519.561877 L541.673878,534.254948 C541.411486,535.829206 541.214693,537.469057 541.214693,538.846533 C541.214693,544.159652 544.232197,546.324256 552.759927,546.324256 L564.829946,546.324256 Z M562.337224,525.596532 L551.185577,525.596532 L552.235144,519.561877 C552.927858,515.783659 554.285578,515.269822 557.062782,515.23476 L562.074833,515.232669 C565.092337,515.232669 566.076306,515.626234 566.076306,517.200491 C566.076306,517.65965 566.010708,518.118808 565.879512,518.905937 L565.157935,523.169551 C564.895543,524.874997 564.173966,525.596532 562.337224,525.596532 Z M584.129183,546.324256 L589.442615,515.88861 L599.019912,515.88861 C602.103014,515.88861 603.086983,516.347768 603.086983,518.643561 C603.086983,519.627472 602.890189,521.267323 602.431004,523.825492 L598.429531,546.324256 L606.563673,546.324256 L610.499549,523.825492 C611.155528,520.021036 611.549115,517.594056 611.549115,515.823016 C611.549115,511.100243 608.925198,509.132421 600.528664,509.132421 L582.489235,509.132421 L575.99504,546.324256 L584.129183,546.324256 Z M634.390641,546.324256 L637.211352,539.699256 L632.750693,539.699256 C628.486828,539.699256 626.846879,539.633662 626.846879,537.009899 C626.846879,535.960394 627.109271,534.254948 627.437261,532.483908 L630.389167,515.757422 L640.819237,515.757422 L642,509.132421 L631.56993,509.132421 L633.537868,498.112618 L625.403725,498.112618 L623.435787,509.132421 L618.515943,509.132421 L617.400778,515.757422 L622.255025,515.757422 L619.303118,532.483908 C618.909531,534.582919 618.581541,536.878711 618.581541,538.584157 C618.581541,544.356434 622.255025,546.324256 629.601992,546.324256 L634.390641,546.324256 Z" id="SpringCloudTencent" fill="#000000" fill-rule="nonzero"></path>
-            <g id="编组" transform="translate(83.649787, 0.000000)">
-                <polygon id="路径-2备份-10" fill="#95D2F7" points="257.639612 26.0227787 257.639612 94.0471013 316.67351 60.03494"></polygon>
-                <polygon id="矩形备份-25" fill="#7F98FF" points="128.976318 165.632275 291.082089 259.679376 291.082089 447.773579 128.976318 353.726478"></polygon>
-                <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(338.164062, 145.658818) scale(-1, 1) translate(-338.164062, -145.658818) " points="257.111176 5.17484077e-13 419.216947 94.0471013 419.216947 291.317637 257.111176 197.270536"></polygon>
-                <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(128.976318, 91.992470) scale(-1, 1) translate(-128.976318, -91.992470) " points="128.976318 17.1657155 257.952635 91.9924704 128.976318 166.819225 9.16431856e-13 91.9924704"></polygon>
-                <polygon id="路径-3" fill="#4065FF" points="257.111176 240.110742 257.111176 291.317637 291.082089 271.961008 291.082089 259.679376"></polygon>
-            </g>
-        </g>
-    </g>
-</svg>
\ No newline at end of file
diff --git a/doc/logo/640x640-transparent.png b/doc/logo/640x640-transparent.png
deleted file mode 100644
index 67e0c3f4f..000000000
Binary files a/doc/logo/640x640-transparent.png and /dev/null differ
diff --git a/doc/logo/640x640-transparent.svg b/doc/logo/640x640-transparent.svg
deleted file mode 100644
index bb45e2cd1..000000000
--- a/doc/logo/640x640-transparent.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="640px" height="640px" viewBox="0 0 640 640" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>640x640-svg透明</title>
-    <g id="640x640-svg透明" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" x="0" y="0" width="640" height="640"></rect>
-        <g id="编组-2" transform="translate(32.000000, 68.000000)">
-            <path d="M27.7575268,482.526321 L28.820581,476.625206 C29.0568153,475.385972 29.5883424,471.904314 29.5883424,470.252002 C29.5883424,465.826166 26.3991797,465.118032 21.3792015,465.118032 L13.8197048,465.118032 C12.1660649,465.118032 11.339245,464.822976 11.339245,463.819787 C11.339245,463.288686 11.5164207,462.108463 11.8117135,460.574174 L12.5204163,456.915482 C13.111002,453.905914 13.5834706,453.315802 16.3001647,453.315802 L30.6513966,453.315802 L33.3680907,446.824576 L15.8867547,446.824576 C8.50443374,446.824576 6.2011496,448.476888 4.96091968,455.558226 L3.83880689,461.813408 C3.54351406,463.524731 3.30727979,465.059021 3.30727979,466.357266 C3.30727979,470.074969 4.90186111,471.904314 9.68560509,471.904314 L18.4853317,471.904314 C20.6114401,471.904314 21.43826,472.022336 21.43826,473.320582 C21.43826,473.969704 21.3201429,475.26795 20.9067329,477.33334 L20.3161473,480.40192 C19.5483859,484.5327 18.9578002,484.945778 15.0599347,484.945778 L0,484.945778 L1.18117135,491.496016 L14.9418176,491.496016 C22.9147242,491.496016 26.3401212,490.492826 27.7575268,482.526321 Z M38.7545274,502 L40.585343,491.555027 L48.8535424,491.555027 C58.5982061,491.555027 60.9605488,489.371614 62.6141887,479.988842 L64.0315943,472.081348 C64.5631214,469.071779 64.7993557,467.124411 64.7993557,465.767155 C64.7993557,460.161096 61.7283102,458.036694 54.1688135,458.036694 L39.2269959,458.036694 L31.431265,502 L38.7545274,502 Z M49.2669524,485.594901 L41.6483972,485.594901 L45.4872041,463.99682 L52.2198808,463.99682 C56.0586877,463.99682 57.3579762,464.468909 57.3579762,467.006389 C57.3579762,468.068589 57.1808005,469.543868 56.7083319,472.081348 L55.2909263,479.988842 C54.4641063,484.5327 53.5191693,485.594901 49.2669524,485.594901 Z M74.4970678,491.496016 L78.4539918,469.248812 C79.2217532,464.822976 80.1076317,464.114843 84.3598486,464.114843 L89.7341782,464.114843 L92.2736966,458.036694 L84.1236143,458.036694 C74.8514192,458.036694 72.7253107,459.689006 71.1307294,468.835734 L67.1147468,491.496016 L74.4970678,491.496016 Z M105.573981,452.548657 L106.932328,444.99523 L99.3728317,444.99523 L98.0144847,452.548657 L105.573981,452.548657 Z M98.6641289,491.496016 L104.510927,458.036694 L97.1876647,458.036694 L91.3408665,491.496016 L98.6641289,491.496016 Z M114.090522,491.496016 L118.874266,464.114843 L127.496817,464.114843 C130.27257,464.114843 131.158448,464.527921 131.158448,466.593311 C131.158448,467.478478 130.981272,468.953757 130.567862,471.255191 L126.96529,491.496016 L134.288552,491.496016 L137.832066,471.255191 C138.422652,467.832545 138.777003,465.649132 138.777003,464.055831 C138.777003,459.807029 136.414661,458.036694 128.855164,458.036694 L112.614058,458.036694 L106.76726,491.496016 L114.090522,491.496016 Z M157.687852,502 C164.479587,502 167.964043,500.406699 169.381448,492.381183 L173.04308,471.66827 C173.574607,468.658701 173.810841,466.711333 173.810841,465.354077 C173.810841,459.689006 170.680737,457.623616 163.180299,457.623616 L159.105258,457.623616 C149.242477,457.623616 147.05731,459.748017 145.344611,469.189801 L144.458733,474.087727 C143.927206,477.097295 143.690971,479.044663 143.690971,480.40192 C143.690971,486.06699 146.821076,488.13238 154.321514,488.13238 L162.825947,488.13238 L162.412537,490.433815 C161.526659,495.626796 160.64078,495.980863 156.034212,495.980863 L143.868147,495.980863 L144.931201,502 L157.687852,502 Z M163.889002,482.172254 L156.211388,482.172254 C152.313522,482.172254 151.073292,481.700165 151.073292,479.162685 C151.073292,478.100485 151.368585,476.389161 151.781995,474.087727 L152.667874,469.189801 C153.435635,464.881987 154.144338,463.524731 158.632789,463.524731 L161.290425,463.524731 C165.129231,463.524731 166.42852,463.99682 166.42852,466.5343 C166.42852,467.5965 166.192286,469.071779 165.719817,471.609258 L163.889002,482.172254 Z M215.766638,491.496016 L218.542391,484.945778 L207.557497,484.945778 C202.596577,484.945778 200.529527,484.414678 200.529527,481.228076 C200.529527,479.634775 201.001996,476.684217 201.710699,472.907504 L203.836807,461.105274 C204.899861,455.26317 205.726681,453.374813 210.451367,453.374813 L221.554378,453.374813 L224.271072,446.824576 L209.50643,446.824576 C200.942937,446.824576 198.049068,449.303044 196.454486,458.33175 L193.383441,475.444983 C192.733797,478.985652 192.556621,480.93302 192.556621,482.703354 C192.556621,489.253592 196.041076,491.496016 204.309276,491.496016 L215.766638,491.496016 Z M237.866649,491.496016 L240.406168,485.535889 L236.980771,485.535889 C233.141964,485.535889 231.6655,485.476878 231.6655,483.175444 C231.6655,481.936209 232.019851,479.988842 232.49232,477.451362 L238.339118,444.405119 L231.015855,444.405119 L225.169057,477.451362 C224.63753,480.460931 224.22412,482.939399 224.22412,484.945778 C224.22412,489.961726 227.11799,491.496016 233.673491,491.496016 L237.866649,491.496016 Z M258.490196,491.909094 C268.352977,491.909094 270.656261,489.784692 272.309901,480.342908 L273.845424,471.66827 C274.376951,468.658701 274.613185,466.711333 274.613185,465.354077 C274.613185,459.689006 271.483081,457.623616 263.982643,457.623616 L259.907602,457.623616 C250.044821,457.623616 247.741537,459.748017 246.087897,469.189801 L244.552374,477.86444 C244.020847,480.874009 243.784613,482.821377 243.784613,484.178633 C243.784613,489.843703 246.914717,491.909094 254.415155,491.909094 L258.490196,491.909094 Z M258.962665,485.948968 L256.305029,485.948968 C252.407164,485.948968 251.166934,485.476878 251.166934,482.939399 C251.166934,481.877198 251.403168,480.40192 251.875637,477.86444 L253.41116,469.189801 C254.178921,464.881987 254.946682,463.524731 259.435133,463.524731 L262.092769,463.524731 C265.931576,463.524731 267.230864,463.99682 267.230864,466.5343 C267.230864,467.5965 266.99463,469.071779 266.522162,471.609258 L264.986639,480.283897 C264.218877,484.591711 263.451116,485.948968 258.962665,485.948968 Z M305.21763,491.496016 L311.123487,458.036694 L303.800225,458.036694 L298.957422,485.417867 L289.98052,485.417867 C287.204767,485.417867 286.318889,485.004789 286.318889,482.939399 C286.318889,482.054232 286.496064,480.578953 286.909474,478.277518 L290.512047,458.036694 L283.188785,458.036694 L279.645271,478.277518 C279.054685,481.700165 278.700333,483.883577 278.700333,485.476878 C278.700333,489.725681 281.062676,491.496016 288.622173,491.496016 L305.21763,491.496016 Z M339.542765,491.496016 L347.870023,444.405119 L340.546761,444.405119 L338.125359,458.036694 L330.034336,458.036694 C320.230613,458.036694 317.809212,460.220107 316.214631,469.602879 L314.856284,477.451362 C314.324757,480.460931 314.088522,482.408299 314.088522,483.765555 C314.088522,489.371614 317.218627,491.496016 324.719065,491.496016 L339.542765,491.496016 Z M333.282557,485.535889 L326.727056,485.535889 C322.888249,485.535889 321.529902,485.0638 321.529902,482.526321 C321.529902,481.46412 321.707078,480.106864 322.179546,477.569384 L323.596952,469.602879 C324.364713,465.177043 325.30965,463.99682 329.620926,463.99682 L337.062305,463.99682 L333.282557,485.535889 Z M377.777872,491.496016 L384.510549,453.374813 L395.377325,453.374813 L396.558497,446.824576 L366.792979,446.824576 L365.611807,453.374813 L376.537642,453.374813 L369.804966,491.496016 L377.777872,491.496016 Z M412.988886,491.496016 L415.410287,485.535889 L403.539515,485.535889 C400.114118,485.535889 399.051064,485.0638 399.051064,482.99841 C399.051064,482.349287 399.169181,481.405109 399.346357,480.40192 L399.641649,478.572574 L412.634534,478.572574 C417.536395,478.572574 419.485328,476.743228 420.430265,471.491236 L421.257085,466.829355 C421.434261,465.885177 421.493319,464.940999 421.493319,464.232865 C421.493319,459.275928 418.18604,457.623616 411.98489,457.623616 L407.968907,457.623616 C399.287298,457.623616 395.861901,459.275928 394.444495,467.419467 L392.141211,480.637964 C391.904977,482.054232 391.727801,483.52951 391.727801,484.768745 C391.727801,489.548648 394.444495,491.496016 402.122109,491.496016 L412.988886,491.496016 Z M410.74466,472.848493 L400.704704,472.848493 L401.649641,467.419467 C402.273299,464.020425 403.49567,463.558155 405.996019,463.526612 L410.508426,463.524731 C413.22512,463.524731 414.110998,463.878798 414.110998,465.295065 C414.110998,465.708144 414.05194,466.121222 413.933823,466.829355 L413.284178,470.66508 C413.047944,472.19937 412.3983,472.848493 410.74466,472.848493 Z M430.364212,491.496016 L435.147956,464.114843 L443.770506,464.114843 C446.546259,464.114843 447.432138,464.527921 447.432138,466.593311 C447.432138,467.478478 447.254962,468.953757 446.841552,471.255191 L443.238979,491.496016 L450.562242,491.496016 L454.105756,471.255191 C454.696341,467.832545 455.050693,465.649132 455.050693,464.055831 C455.050693,459.807029 452.68835,458.036694 445.128853,458.036694 L428.887747,458.036694 L423.040949,491.496016 L430.364212,491.496016 Z M479.631164,491.496016 L482.170682,485.535889 L471.835433,485.535889 C467.937568,485.535889 466.638279,485.0638 466.638279,482.526321 C466.638279,481.46412 466.874513,479.988842 467.346982,477.451362 L468.764387,469.602879 C469.591207,465.177043 470.477086,463.99682 474.788361,463.99682 L483.647147,463.99682 L486.127606,458.036694 L475.201771,458.036694 C465.338991,458.036694 463.035706,460.220107 461.382067,469.720902 L460.023719,477.451362 C459.492192,480.460931 459.255958,482.408299 459.255958,483.765555 C459.255958,489.371614 462.386062,491.496016 469.8865,491.496016 L479.631164,491.496016 Z M508.52291,491.496016 L510.944312,485.535889 L499.07354,485.535889 C495.648143,485.535889 494.585089,485.0638 494.585089,482.99841 C494.585089,482.349287 494.703206,481.405109 494.880381,480.40192 L495.175674,478.572574 L508.168559,478.572574 C513.07042,478.572574 515.019353,476.743228 515.96429,471.491236 L516.79111,466.829355 C516.968286,465.885177 517.027344,464.940999 517.027344,464.232865 C517.027344,459.275928 513.720064,457.623616 507.518915,457.623616 L503.502932,457.623616 C494.821323,457.623616 491.395926,459.275928 489.97852,467.419467 L487.675236,480.637964 C487.439002,482.054232 487.261826,483.52951 487.261826,484.768745 C487.261826,489.548648 489.97852,491.496016 497.656134,491.496016 L508.52291,491.496016 Z M506.278685,472.848493 L496.238728,472.848493 L497.183666,467.419467 C497.807324,464.020425 499.029695,463.558155 501.530043,463.526612 L506.042451,463.524731 C508.759145,463.524731 509.645023,463.878798 509.645023,465.295065 C509.645023,465.708144 509.585965,466.121222 509.467848,466.829355 L508.818203,470.66508 C508.581969,472.19937 507.932325,472.848493 506.278685,472.848493 Z M525.898236,491.496016 L530.68198,464.114843 L539.304531,464.114843 C542.080284,464.114843 542.966162,464.527921 542.966162,466.593311 C542.966162,467.478478 542.788987,468.953757 542.375577,471.255191 L538.773004,491.496016 L546.096266,491.496016 L549.639781,471.255191 C550.230366,467.832545 550.584718,465.649132 550.584718,464.055831 C550.584718,459.807029 548.222375,458.036694 540.662878,458.036694 L524.421772,458.036694 L518.574974,491.496016 L525.898236,491.496016 Z M571.149206,491.496016 L573.688725,485.535889 L569.672742,485.535889 C565.833935,485.535889 564.357471,485.476878 564.357471,483.116432 C564.357471,482.172254 564.593705,480.637964 564.888998,479.044663 L567.546634,463.99682 L576.936946,463.99682 L578,458.036694 L568.609688,458.036694 L570.381445,448.122821 L563.058182,448.122821 L561.286425,458.036694 L556.857033,458.036694 L555.853037,463.99682 L560.223371,463.99682 L557.565736,479.044663 C557.211384,480.93302 556.916091,482.99841 556.916091,484.5327 C556.916091,489.725681 560.223371,491.496016 566.837931,491.496016 L571.149206,491.496016 Z" id="SpringCloudTencent" fill="#000000" fill-rule="nonzero"></path>
-            <g id="编组" transform="translate(75.310868, 0.000000)">
-                <polygon id="路径-2备份-10" fill="#95D2F7" points="231.955913 23.4111737 231.955913 84.6086825 285.104811 54.0099281"></polygon>
-                <polygon id="矩形备份-25" fill="#7F98FF" points="116.118865 149.009681 262.06456 233.618364 262.06456 402.835729 116.118865 318.227046"></polygon>
-                <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(304.453002, 131.040729) scale(-1, 1) translate(-304.453002, -131.040729) " points="231.480155 4.65550191e-13 377.42585 84.6086825 377.42585 262.081458 231.480155 177.472776"></polygon>
-                <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(116.118865, 82.760251) scale(-1, 1) translate(-116.118865, -82.760251) " points="116.118865 15.4429914 232.237731 82.7602511 116.118865 150.077511 8.25074163e-13 82.7602511"></polygon>
-                <polygon id="路径-3" fill="#4065FF" points="231.480155 216.013606 231.480155 262.081458 262.06456 244.66743 262.06456 233.618364"></polygon>
-            </g>
-        </g>
-    </g>
-</svg>
\ No newline at end of file
diff --git a/doc/logo/640x640-white.png b/doc/logo/640x640-white.png
deleted file mode 100644
index b4cfaab59..000000000
Binary files a/doc/logo/640x640-white.png and /dev/null differ
diff --git a/doc/logo/640x640-white.svg b/doc/logo/640x640-white.svg
deleted file mode 100644
index f5870166a..000000000
--- a/doc/logo/640x640-white.svg
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="640px" height="640px" viewBox="0 0 640 640" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>640x640-svg白底</title>
-    <g id="640x640-svg白底" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" fill="#FFFFFF" x="0" y="0" width="640" height="640"></rect>
-        <g id="编组-2" transform="translate(32.000000, 68.000000)">
-            <path d="M27.7575268,482.526321 L28.820581,476.625206 C29.0568153,475.385972 29.5883424,471.904314 29.5883424,470.252002 C29.5883424,465.826166 26.3991797,465.118032 21.3792015,465.118032 L13.8197048,465.118032 C12.1660649,465.118032 11.339245,464.822976 11.339245,463.819787 C11.339245,463.288686 11.5164207,462.108463 11.8117135,460.574174 L12.5204163,456.915482 C13.111002,453.905914 13.5834706,453.315802 16.3001647,453.315802 L30.6513966,453.315802 L33.3680907,446.824576 L15.8867547,446.824576 C8.50443374,446.824576 6.2011496,448.476888 4.96091968,455.558226 L3.83880689,461.813408 C3.54351406,463.524731 3.30727979,465.059021 3.30727979,466.357266 C3.30727979,470.074969 4.90186111,471.904314 9.68560509,471.904314 L18.4853317,471.904314 C20.6114401,471.904314 21.43826,472.022336 21.43826,473.320582 C21.43826,473.969704 21.3201429,475.26795 20.9067329,477.33334 L20.3161473,480.40192 C19.5483859,484.5327 18.9578002,484.945778 15.0599347,484.945778 L0,484.945778 L1.18117135,491.496016 L14.9418176,491.496016 C22.9147242,491.496016 26.3401212,490.492826 27.7575268,482.526321 Z M38.7545274,502 L40.585343,491.555027 L48.8535424,491.555027 C58.5982061,491.555027 60.9605488,489.371614 62.6141887,479.988842 L64.0315943,472.081348 C64.5631214,469.071779 64.7993557,467.124411 64.7993557,465.767155 C64.7993557,460.161096 61.7283102,458.036694 54.1688135,458.036694 L39.2269959,458.036694 L31.431265,502 L38.7545274,502 Z M49.2669524,485.594901 L41.6483972,485.594901 L45.4872041,463.99682 L52.2198808,463.99682 C56.0586877,463.99682 57.3579762,464.468909 57.3579762,467.006389 C57.3579762,468.068589 57.1808005,469.543868 56.7083319,472.081348 L55.2909263,479.988842 C54.4641063,484.5327 53.5191693,485.594901 49.2669524,485.594901 Z M74.4970678,491.496016 L78.4539918,469.248812 C79.2217532,464.822976 80.1076317,464.114843 84.3598486,464.114843 L89.7341782,464.114843 L92.2736966,458.036694 L84.1236143,458.036694 C74.8514192,458.036694 72.7253107,459.689006 71.1307294,468.835734 L67.1147468,491.496016 L74.4970678,491.496016 Z M105.573981,452.548657 L106.932328,444.99523 L99.3728317,444.99523 L98.0144847,452.548657 L105.573981,452.548657 Z M98.6641289,491.496016 L104.510927,458.036694 L97.1876647,458.036694 L91.3408665,491.496016 L98.6641289,491.496016 Z M114.090522,491.496016 L118.874266,464.114843 L127.496817,464.114843 C130.27257,464.114843 131.158448,464.527921 131.158448,466.593311 C131.158448,467.478478 130.981272,468.953757 130.567862,471.255191 L126.96529,491.496016 L134.288552,491.496016 L137.832066,471.255191 C138.422652,467.832545 138.777003,465.649132 138.777003,464.055831 C138.777003,459.807029 136.414661,458.036694 128.855164,458.036694 L112.614058,458.036694 L106.76726,491.496016 L114.090522,491.496016 Z M157.687852,502 C164.479587,502 167.964043,500.406699 169.381448,492.381183 L173.04308,471.66827 C173.574607,468.658701 173.810841,466.711333 173.810841,465.354077 C173.810841,459.689006 170.680737,457.623616 163.180299,457.623616 L159.105258,457.623616 C149.242477,457.623616 147.05731,459.748017 145.344611,469.189801 L144.458733,474.087727 C143.927206,477.097295 143.690971,479.044663 143.690971,480.40192 C143.690971,486.06699 146.821076,488.13238 154.321514,488.13238 L162.825947,488.13238 L162.412537,490.433815 C161.526659,495.626796 160.64078,495.980863 156.034212,495.980863 L143.868147,495.980863 L144.931201,502 L157.687852,502 Z M163.889002,482.172254 L156.211388,482.172254 C152.313522,482.172254 151.073292,481.700165 151.073292,479.162685 C151.073292,478.100485 151.368585,476.389161 151.781995,474.087727 L152.667874,469.189801 C153.435635,464.881987 154.144338,463.524731 158.632789,463.524731 L161.290425,463.524731 C165.129231,463.524731 166.42852,463.99682 166.42852,466.5343 C166.42852,467.5965 166.192286,469.071779 165.719817,471.609258 L163.889002,482.172254 Z M215.766638,491.496016 L218.542391,484.945778 L207.557497,484.945778 C202.596577,484.945778 200.529527,484.414678 200.529527,481.228076 C200.529527,479.634775 201.001996,476.684217 201.710699,472.907504 L203.836807,461.105274 C204.899861,455.26317 205.726681,453.374813 210.451367,453.374813 L221.554378,453.374813 L224.271072,446.824576 L209.50643,446.824576 C200.942937,446.824576 198.049068,449.303044 196.454486,458.33175 L193.383441,475.444983 C192.733797,478.985652 192.556621,480.93302 192.556621,482.703354 C192.556621,489.253592 196.041076,491.496016 204.309276,491.496016 L215.766638,491.496016 Z M237.866649,491.496016 L240.406168,485.535889 L236.980771,485.535889 C233.141964,485.535889 231.6655,485.476878 231.6655,483.175444 C231.6655,481.936209 232.019851,479.988842 232.49232,477.451362 L238.339118,444.405119 L231.015855,444.405119 L225.169057,477.451362 C224.63753,480.460931 224.22412,482.939399 224.22412,484.945778 C224.22412,489.961726 227.11799,491.496016 233.673491,491.496016 L237.866649,491.496016 Z M258.490196,491.909094 C268.352977,491.909094 270.656261,489.784692 272.309901,480.342908 L273.845424,471.66827 C274.376951,468.658701 274.613185,466.711333 274.613185,465.354077 C274.613185,459.689006 271.483081,457.623616 263.982643,457.623616 L259.907602,457.623616 C250.044821,457.623616 247.741537,459.748017 246.087897,469.189801 L244.552374,477.86444 C244.020847,480.874009 243.784613,482.821377 243.784613,484.178633 C243.784613,489.843703 246.914717,491.909094 254.415155,491.909094 L258.490196,491.909094 Z M258.962665,485.948968 L256.305029,485.948968 C252.407164,485.948968 251.166934,485.476878 251.166934,482.939399 C251.166934,481.877198 251.403168,480.40192 251.875637,477.86444 L253.41116,469.189801 C254.178921,464.881987 254.946682,463.524731 259.435133,463.524731 L262.092769,463.524731 C265.931576,463.524731 267.230864,463.99682 267.230864,466.5343 C267.230864,467.5965 266.99463,469.071779 266.522162,471.609258 L264.986639,480.283897 C264.218877,484.591711 263.451116,485.948968 258.962665,485.948968 Z M305.21763,491.496016 L311.123487,458.036694 L303.800225,458.036694 L298.957422,485.417867 L289.98052,485.417867 C287.204767,485.417867 286.318889,485.004789 286.318889,482.939399 C286.318889,482.054232 286.496064,480.578953 286.909474,478.277518 L290.512047,458.036694 L283.188785,458.036694 L279.645271,478.277518 C279.054685,481.700165 278.700333,483.883577 278.700333,485.476878 C278.700333,489.725681 281.062676,491.496016 288.622173,491.496016 L305.21763,491.496016 Z M339.542765,491.496016 L347.870023,444.405119 L340.546761,444.405119 L338.125359,458.036694 L330.034336,458.036694 C320.230613,458.036694 317.809212,460.220107 316.214631,469.602879 L314.856284,477.451362 C314.324757,480.460931 314.088522,482.408299 314.088522,483.765555 C314.088522,489.371614 317.218627,491.496016 324.719065,491.496016 L339.542765,491.496016 Z M333.282557,485.535889 L326.727056,485.535889 C322.888249,485.535889 321.529902,485.0638 321.529902,482.526321 C321.529902,481.46412 321.707078,480.106864 322.179546,477.569384 L323.596952,469.602879 C324.364713,465.177043 325.30965,463.99682 329.620926,463.99682 L337.062305,463.99682 L333.282557,485.535889 Z M377.777872,491.496016 L384.510549,453.374813 L395.377325,453.374813 L396.558497,446.824576 L366.792979,446.824576 L365.611807,453.374813 L376.537642,453.374813 L369.804966,491.496016 L377.777872,491.496016 Z M412.988886,491.496016 L415.410287,485.535889 L403.539515,485.535889 C400.114118,485.535889 399.051064,485.0638 399.051064,482.99841 C399.051064,482.349287 399.169181,481.405109 399.346357,480.40192 L399.641649,478.572574 L412.634534,478.572574 C417.536395,478.572574 419.485328,476.743228 420.430265,471.491236 L421.257085,466.829355 C421.434261,465.885177 421.493319,464.940999 421.493319,464.232865 C421.493319,459.275928 418.18604,457.623616 411.98489,457.623616 L407.968907,457.623616 C399.287298,457.623616 395.861901,459.275928 394.444495,467.419467 L392.141211,480.637964 C391.904977,482.054232 391.727801,483.52951 391.727801,484.768745 C391.727801,489.548648 394.444495,491.496016 402.122109,491.496016 L412.988886,491.496016 Z M410.74466,472.848493 L400.704704,472.848493 L401.649641,467.419467 C402.273299,464.020425 403.49567,463.558155 405.996019,463.526612 L410.508426,463.524731 C413.22512,463.524731 414.110998,463.878798 414.110998,465.295065 C414.110998,465.708144 414.05194,466.121222 413.933823,466.829355 L413.284178,470.66508 C413.047944,472.19937 412.3983,472.848493 410.74466,472.848493 Z M430.364212,491.496016 L435.147956,464.114843 L443.770506,464.114843 C446.546259,464.114843 447.432138,464.527921 447.432138,466.593311 C447.432138,467.478478 447.254962,468.953757 446.841552,471.255191 L443.238979,491.496016 L450.562242,491.496016 L454.105756,471.255191 C454.696341,467.832545 455.050693,465.649132 455.050693,464.055831 C455.050693,459.807029 452.68835,458.036694 445.128853,458.036694 L428.887747,458.036694 L423.040949,491.496016 L430.364212,491.496016 Z M479.631164,491.496016 L482.170682,485.535889 L471.835433,485.535889 C467.937568,485.535889 466.638279,485.0638 466.638279,482.526321 C466.638279,481.46412 466.874513,479.988842 467.346982,477.451362 L468.764387,469.602879 C469.591207,465.177043 470.477086,463.99682 474.788361,463.99682 L483.647147,463.99682 L486.127606,458.036694 L475.201771,458.036694 C465.338991,458.036694 463.035706,460.220107 461.382067,469.720902 L460.023719,477.451362 C459.492192,480.460931 459.255958,482.408299 459.255958,483.765555 C459.255958,489.371614 462.386062,491.496016 469.8865,491.496016 L479.631164,491.496016 Z M508.52291,491.496016 L510.944312,485.535889 L499.07354,485.535889 C495.648143,485.535889 494.585089,485.0638 494.585089,482.99841 C494.585089,482.349287 494.703206,481.405109 494.880381,480.40192 L495.175674,478.572574 L508.168559,478.572574 C513.07042,478.572574 515.019353,476.743228 515.96429,471.491236 L516.79111,466.829355 C516.968286,465.885177 517.027344,464.940999 517.027344,464.232865 C517.027344,459.275928 513.720064,457.623616 507.518915,457.623616 L503.502932,457.623616 C494.821323,457.623616 491.395926,459.275928 489.97852,467.419467 L487.675236,480.637964 C487.439002,482.054232 487.261826,483.52951 487.261826,484.768745 C487.261826,489.548648 489.97852,491.496016 497.656134,491.496016 L508.52291,491.496016 Z M506.278685,472.848493 L496.238728,472.848493 L497.183666,467.419467 C497.807324,464.020425 499.029695,463.558155 501.530043,463.526612 L506.042451,463.524731 C508.759145,463.524731 509.645023,463.878798 509.645023,465.295065 C509.645023,465.708144 509.585965,466.121222 509.467848,466.829355 L508.818203,470.66508 C508.581969,472.19937 507.932325,472.848493 506.278685,472.848493 Z M525.898236,491.496016 L530.68198,464.114843 L539.304531,464.114843 C542.080284,464.114843 542.966162,464.527921 542.966162,466.593311 C542.966162,467.478478 542.788987,468.953757 542.375577,471.255191 L538.773004,491.496016 L546.096266,491.496016 L549.639781,471.255191 C550.230366,467.832545 550.584718,465.649132 550.584718,464.055831 C550.584718,459.807029 548.222375,458.036694 540.662878,458.036694 L524.421772,458.036694 L518.574974,491.496016 L525.898236,491.496016 Z M571.149206,491.496016 L573.688725,485.535889 L569.672742,485.535889 C565.833935,485.535889 564.357471,485.476878 564.357471,483.116432 C564.357471,482.172254 564.593705,480.637964 564.888998,479.044663 L567.546634,463.99682 L576.936946,463.99682 L578,458.036694 L568.609688,458.036694 L570.381445,448.122821 L563.058182,448.122821 L561.286425,458.036694 L556.857033,458.036694 L555.853037,463.99682 L560.223371,463.99682 L557.565736,479.044663 C557.211384,480.93302 556.916091,482.99841 556.916091,484.5327 C556.916091,489.725681 560.223371,491.496016 566.837931,491.496016 L571.149206,491.496016 Z" id="SpringCloudTencent" fill="#000000" fill-rule="nonzero"></path>
-            <g id="编组" transform="translate(75.310868, 0.000000)">
-                <polygon id="路径-2备份-10" fill="#95D2F7" points="231.955913 23.4111737 231.955913 84.6086825 285.104811 54.0099281"></polygon>
-                <polygon id="矩形备份-25" fill="#7F98FF" points="116.118865 149.009681 262.06456 233.618364 262.06456 402.835729 116.118865 318.227046"></polygon>
-                <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(304.453002, 131.040729) scale(-1, 1) translate(-304.453002, -131.040729) " points="231.480155 4.65550191e-13 377.42585 84.6086825 377.42585 262.081458 231.480155 177.472776"></polygon>
-                <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(116.118865, 82.760251) scale(-1, 1) translate(-116.118865, -82.760251) " points="116.118865 15.4429914 232.237731 82.7602511 116.118865 150.077511 8.25074163e-13 82.7602511"></polygon>
-                <polygon id="路径-3" fill="#4065FF" points="231.480155 216.013606 231.480155 262.081458 262.06456 244.66743 262.06456 233.618364"></polygon>
-            </g>
-        </g>
-    </g>
-</svg>
\ No newline at end of file
diff --git a/doc/logo/rectangle-transparent.png b/doc/logo/rectangle-transparent.png
deleted file mode 100644
index 772332df2..000000000
Binary files a/doc/logo/rectangle-transparent.png and /dev/null differ
diff --git a/doc/logo/rectangle-transparent.svg b/doc/logo/rectangle-transparent.svg
deleted file mode 100644
index c4c34ccc3..000000000
--- a/doc/logo/rectangle-transparent.svg
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="424px" height="82px" viewBox="0 0 424 82" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>长款的 svg格式透明</title>
-    <g id="长款的-svg格式透明" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" x="0" y="0" width="424" height="82"></rect>
-        <text id="Spring-Cloud-Tencent" font-family="TencentSansW7, TencentSans" font-size="34" font-weight="bold" letter-spacing="-0.50303" fill="#000000">
-            <tspan x="83.8428418" y="49.8255109">Spring Cloud Tencent</tspan>
-        </text>
-        <polygon id="路径-2备份-10" fill="#95D2F7" points="43.9206195 11.8255109 43.9206195 21.8255109 52.6095084 16.8255109"></polygon>
-        <polygon id="矩形备份-25" fill="#7F98FF" points="24.9833459 32.3489782 48.8428418 46.1744891 48.8428418 73.8255109 24.9833459 60"></polygon>
-        <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(55.772590, 29.412755) scale(-1, 1) translate(-55.772590, -29.412755) " points="43.8428418 8 67.7023376 21.8255109 67.7023376 50.8255109 43.8428418 37"></polygon>
-        <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(24.983346, 21.523467) scale(-1, 1) translate(-24.983346, -21.523467) " points="24.9833459 10.5234673 43.9666917 21.5234673 24.9833459 32.5234673 6 21.5234673"></polygon>
-        <polygon id="路径-3" fill="#4065FF" points="43.8428418 43.2977777 43.8428418 50.8255109 48.8428418 47.9799656 48.8428418 46.1744891"></polygon>
-    </g>
-</svg>
\ No newline at end of file
diff --git a/doc/logo/rectangle-white.png b/doc/logo/rectangle-white.png
deleted file mode 100644
index 46a1c77d9..000000000
Binary files a/doc/logo/rectangle-white.png and /dev/null differ
diff --git a/doc/logo/rectangle-white.svg b/doc/logo/rectangle-white.svg
deleted file mode 100644
index 5bc74ffb7..000000000
--- a/doc/logo/rectangle-white.svg
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="424px" height="82px" viewBox="0 0 424 82" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <title>长款的 svg 格式的白底</title>
-    <g id="长款的-svg-格式的白底" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <rect id="矩形" fill="#FFFFFF" x="0" y="0" width="424" height="82"></rect>
-        <rect id="矩形" fill="#FFFFFF" x="6" y="8" width="412" height="66"></rect>
-        <text id="Spring-Cloud-Tencent" font-family="TencentSansW7, TencentSans" font-size="34" font-weight="bold" letter-spacing="-0.50303" fill="#000000">
-            <tspan x="83.8428418" y="49.8255109">Spring Cloud Tencent</tspan>
-        </text>
-        <polygon id="路径-2备份-10" fill="#95D2F7" points="43.9206195 11.8255109 43.9206195 21.8255109 52.6095084 16.8255109"></polygon>
-        <polygon id="矩形备份-25" fill="#7F98FF" points="24.9833459 32.3489782 48.8428418 46.1744891 48.8428418 73.8255109 24.9833459 60"></polygon>
-        <polygon id="矩形备份-26" fill="#7F98FF" transform="translate(55.772590, 29.412755) scale(-1, 1) translate(-55.772590, -29.412755) " points="43.8428418 8 67.7023376 21.8255109 67.7023376 50.8255109 43.8428418 37"></polygon>
-        <polygon id="矩形备份-27" fill="#95D2F7" transform="translate(24.983346, 21.523467) scale(-1, 1) translate(-24.983346, -21.523467) " points="24.9833459 10.5234673 43.9666917 21.5234673 24.9833459 32.5234673 6 21.5234673"></polygon>
-        <polygon id="路径-3" fill="#4065FF" points="43.8428418 43.2977777 43.8428418 50.8255109 48.8428418 47.9799656 48.8428418 46.1744891"></polygon>
-    </g>
-</svg>
\ No newline at end of file