diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54a21959..3085a01d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,3 +15,4 @@
 - [refactor:refactor stat module.](https://github.com/Tencent/spring-cloud-tencent/pull/880)
 - [feature:add polaris circuit breaker support.](https://github.com/Tencent/spring-cloud-tencent/pull/882)
 - [fix:fix NPE.](https://github.com/Tencent/spring-cloud-tencent/pull/886)
+- [refactor:optimize sct-all.](https://github.com/Tencent/spring-cloud-tencent/pull/888)
diff --git a/spring-cloud-starter-tencent-all/pom.xml b/spring-cloud-starter-tencent-all/pom.xml
index e5c54f51..f6fb8b38 100644
--- a/spring-cloud-starter-tencent-all/pom.xml
+++ b/spring-cloud-starter-tencent-all/pom.xml
@@ -12,7 +12,6 @@
 
 	<artifactId>spring-cloud-starter-tencent-all</artifactId>
 	<name>Spring Cloud Starter Tencent ALL In One</name>
-	<packaging>pom</packaging>
 
 	<dependencies>
 		<!-- Spring Cloud Tencent -->
diff --git a/spring-cloud-starter-tencent-all/src/main/java/com/tencent/cloud/package-info.java b/spring-cloud-starter-tencent-all/src/main/java/com/tencent/cloud/package-info.java
new file mode 100644
index 00000000..62d883aa
--- /dev/null
+++ b/spring-cloud-starter-tencent-all/src/main/java/com/tencent/cloud/package-info.java
@@ -0,0 +1,23 @@
+/*
+ * Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
+ *
+ * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * Licensed under the BSD 3-Clause License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed
+ * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+/**
+ * Spring Cloud Starter Tencent ALL In One.
+ *
+ * @author Haotian Zhang
+ */
+package com.tencent.cloud;
diff --git a/spring-cloud-tencent-dependencies/pom.xml b/spring-cloud-tencent-dependencies/pom.xml
index 704cb943..cf564d21 100644
--- a/spring-cloud-tencent-dependencies/pom.xml
+++ b/spring-cloud-tencent-dependencies/pom.xml
@@ -153,7 +153,6 @@
 			<dependency>
 				<groupId>com.tencent.cloud</groupId>
 				<artifactId>spring-cloud-starter-tencent-all</artifactId>
-				<type>pom</type>
 				<version>${revision}</version>
 			</dependency>
 
diff --git a/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-a/pom.xml b/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-a/pom.xml
index b569ce91..24e580e1 100644
--- a/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-a/pom.xml
+++ b/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-a/pom.xml
@@ -17,7 +17,6 @@
 		<dependency>
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-starter-tencent-all</artifactId>
-			<type>pom</type>
 		</dependency>
 
 		<dependency>
diff --git a/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-b/pom.xml b/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-b/pom.xml
index c5f525b3..e2565059 100644
--- a/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-b/pom.xml
+++ b/spring-cloud-tencent-examples/quickstart-example/quickstart-callee-service-b/pom.xml
@@ -17,7 +17,6 @@
 		<dependency>
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-starter-tencent-all</artifactId>
-			<type>pom</type>
 		</dependency>
 
 		<dependency>
diff --git a/spring-cloud-tencent-examples/quickstart-example/quickstart-caller-service/pom.xml b/spring-cloud-tencent-examples/quickstart-example/quickstart-caller-service/pom.xml
index d9f796cb..1fd0f5f5 100644
--- a/spring-cloud-tencent-examples/quickstart-example/quickstart-caller-service/pom.xml
+++ b/spring-cloud-tencent-examples/quickstart-example/quickstart-caller-service/pom.xml
@@ -17,7 +17,6 @@
 		<dependency>
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-starter-tencent-all</artifactId>
-			<type>pom</type>
 		</dependency>
 
 		<dependency>
diff --git a/spring-cloud-tencent-examples/quickstart-example/quickstart-gateway-service/pom.xml b/spring-cloud-tencent-examples/quickstart-example/quickstart-gateway-service/pom.xml
index fa916ec9..9bfb7604 100644
--- a/spring-cloud-tencent-examples/quickstart-example/quickstart-gateway-service/pom.xml
+++ b/spring-cloud-tencent-examples/quickstart-example/quickstart-gateway-service/pom.xml
@@ -17,7 +17,6 @@
 		<dependency>
 			<groupId>com.tencent.cloud</groupId>
 			<artifactId>spring-cloud-starter-tencent-all</artifactId>
-			<type>pom</type>
 		</dependency>
 
 		<dependency>