diff --git a/internal/app/app.go b/internal/app/app.go
new file mode 100644
index 00000000..c38b473f
--- /dev/null
+++ b/internal/app/app.go
@@ -0,0 +1,39 @@
+package app
+
+import (
+	"net/http"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+)
+
+func NewWebEngine() *gin.Engine {
+	e := gin.New()
+	e.HandleMethodNotAllowed = true
+	e.Use(gin.Logger())
+	e.Use(gin.Recovery())
+
+	// 跨域配置
+	corsConfig := cors.DefaultConfig()
+	corsConfig.AllowAllOrigins = true
+	corsConfig.AddAllowHeaders("Authorization")
+	e.Use(cors.New(corsConfig))
+
+	// 默认404
+	e.NoRoute(func(c *gin.Context) {
+		c.JSON(http.StatusNotFound, gin.H{
+			"code": 404,
+			"msg":  "Not Found",
+		})
+	})
+
+	// 默认405
+	e.NoMethod(func(c *gin.Context) {
+		c.JSON(http.StatusMethodNotAllowed, gin.H{
+			"code": 405,
+			"msg":  "Method Not Allowed",
+		})
+	})
+
+	return e
+}
diff --git a/internal/servants/core/xerror/common.go b/internal/servants/core/xerror/common.go
new file mode 100644
index 00000000..a59c62e8
--- /dev/null
+++ b/internal/servants/core/xerror/common.go
@@ -0,0 +1,26 @@
+package xerror
+
+var (
+	Success                   = NewError(0, "成功")
+	ServerError               = NewError(10000, "服务内部错误")
+	InvalidParams             = NewError(10001, "入参错误")
+	NotFound                  = NewError(10002, "找不到")
+	UnauthorizedAuthNotExist  = NewError(10003, "账户不存在")
+	UnauthorizedAuthFailed    = NewError(10004, "账户密码错误")
+	UnauthorizedTokenError    = NewError(10005, "鉴权失败，Token 错误或丢失")
+	UnauthorizedTokenTimeout  = NewError(10006, "鉴权失败，Token 超时")
+	UnauthorizedTokenGenerate = NewError(10007, "鉴权失败，Token 生成失败")
+	TooManyRequests           = NewError(10008, "请求过多")
+
+	GatewayMethodsLimit    = NewError(10109, "网关仅接受GET或POST请求")
+	GatewayLostSign        = NewError(10110, "网关请求缺少签名")
+	GatewayLostAppKey      = NewError(10111, "网关请求缺少APP KEY")
+	GatewayAppKeyInvalid   = NewError(10112, "网关请求无效APP KEY")
+	GatewayAppKeyClosed    = NewError(10113, "网关请求APP KEY已停用")
+	GatewayParamSignError  = NewError(10114, "网关请求参数签名错误")
+	GatewayTooManyRequests = NewError(10115, "网关请求频次超限")
+
+	FileUploadFailed = NewError(10200, "文件上传失败")
+	FileInvalidExt   = NewError(10201, "文件类型不合法")
+	FileInvalidSize  = NewError(10202, "文件大小超限")
+)
diff --git a/internal/servants/core/xerror/xerror.go b/internal/servants/core/xerror/xerror.go
new file mode 100644
index 00000000..b1b8a23a
--- /dev/null
+++ b/internal/servants/core/xerror/xerror.go
@@ -0,0 +1,75 @@
+package xerror
+
+import (
+	"fmt"
+	"net/http"
+)
+
+type Error struct {
+	code    int
+	msg     string
+	details []string
+}
+
+var codes = map[int]string{}
+
+func NewError(code int, msg string) *Error {
+	if _, ok := codes[code]; ok {
+		panic(fmt.Sprintf("错误码 %d 已经存在，请更换一个", code))
+	}
+	codes[code] = msg
+	return &Error{code: code, msg: msg}
+}
+
+func (e *Error) Error() string {
+	return fmt.Sprintf("错误码: %d, 错误信息: %s", e.Code(), e.Msg())
+}
+
+func (e *Error) Code() int {
+	return e.code
+}
+
+func (e *Error) Msg() string {
+	return e.msg
+}
+
+func (e *Error) Msgf(args []any) string {
+	return fmt.Sprintf(e.msg, args...)
+}
+
+func (e *Error) Details() []string {
+	return e.details
+}
+
+func (e *Error) WithDetails(details ...string) *Error {
+	newError := *e
+	newError.details = []string{}
+	newError.details = append(newError.details, details...)
+
+	return &newError
+}
+
+func (e *Error) StatusCode() int {
+	switch e.Code() {
+	case Success.Code():
+		return http.StatusOK
+	case ServerError.Code():
+		return http.StatusInternalServerError
+	case InvalidParams.Code():
+		return http.StatusBadRequest
+	case UnauthorizedAuthNotExist.Code():
+		fallthrough
+	case UnauthorizedAuthFailed.Code():
+		fallthrough
+	case UnauthorizedTokenError.Code():
+		fallthrough
+	case UnauthorizedTokenGenerate.Code():
+		fallthrough
+	case UnauthorizedTokenTimeout.Code():
+		return http.StatusUnauthorized
+	case TooManyRequests.Code():
+		return http.StatusTooManyRequests
+	}
+
+	return http.StatusInternalServerError
+}
diff --git a/internal/servants/docs.go b/internal/servants/docs.go
new file mode 100644
index 00000000..9d53cac5
--- /dev/null
+++ b/internal/servants/docs.go
@@ -0,0 +1,13 @@
+//go:build !docs
+// +build !docs
+
+package servants
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+// registerDocs stub function for register docs asset route
+func registerDocs(e *gin.Engine) {
+	// empty
+}
diff --git a/internal/servants/docs_embed.go b/internal/servants/docs_embed.go
new file mode 100644
index 00000000..aeb0b4cd
--- /dev/null
+++ b/internal/servants/docs_embed.go
@@ -0,0 +1,17 @@
+//go:build docs
+// +build docs
+
+package servants
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/rocboss/paopao-ce/docs/openapi"
+	"github.com/rocboss/paopao-ce/internal/conf"
+)
+
+// registerDocs register docs asset route
+func registerDocs(e *gin.Engine) {
+	if conf.CfgIf("Docs:OpenAPI") {
+		e.StaticFS("/docs/openapi", openapi.NewFileSystem())
+	}
+}
diff --git a/internal/servants/localoss.go b/internal/servants/localoss.go
deleted file mode 100644
index b99a78f0..00000000
--- a/internal/servants/localoss.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package servants
-
-type localossSrv struct {
-	// TODO
-}
diff --git a/internal/servants/localoss/localoss.go b/internal/servants/localoss/localoss.go
new file mode 100644
index 00000000..ba37ddf8
--- /dev/null
+++ b/internal/servants/localoss/localoss.go
@@ -0,0 +1,28 @@
+package localoss
+
+import (
+	"path/filepath"
+
+	"github.com/gin-gonic/gin"
+	"github.com/rocboss/paopao-ce/internal/conf"
+	"github.com/sirupsen/logrus"
+)
+
+type localossSrv struct {
+	// TODO
+}
+
+// RouteLocalOSS register LocalOSS route if needed
+func RouteLocalOSS(e *gin.Engine) {
+	if !conf.CfgIf("LocalOSS") {
+		return
+	}
+
+	savePath, err := filepath.Abs(conf.LocalOSSSetting.SavePath)
+	if err != nil {
+		logrus.Fatalf("get localOSS save path err: %v", err)
+	}
+	e.Static("/oss", savePath)
+
+	logrus.Infof("register LocalOSS route in /oss on save path: %s", savePath)
+}
diff --git a/internal/servants/localoss/xerror.go b/internal/servants/localoss/xerror.go
new file mode 100644
index 00000000..3014a991
--- /dev/null
+++ b/internal/servants/localoss/xerror.go
@@ -0,0 +1,11 @@
+package localoss
+
+import (
+	"github.com/rocboss/paopao-ce/internal/servants/core/xerror"
+)
+
+var (
+	errFileUploadFailed = xerror.NewError(10200, "文件上传失败")
+	errFileInvalidExt   = xerror.NewError(10201, "文件类型不合法")
+	errFileInvalidSize  = xerror.NewError(10202, "文件大小超限")
+)
diff --git a/internal/servants/servants.go b/internal/servants/servants.go
index 9cd595c7..fb03aff1 100644
--- a/internal/servants/servants.go
+++ b/internal/servants/servants.go
@@ -2,11 +2,18 @@ package servants
 
 import (
 	"github.com/gin-gonic/gin"
-	api "github.com/rocboss/paopao-ce/internal/mirc/auto/api/v1"
+	"github.com/rocboss/paopao-ce/internal/servants/localoss"
 	"github.com/rocboss/paopao-ce/internal/servants/web"
 )
 
-// RegisterServants register all the servants to gin.Engine
-func RegisterServants(e *gin.Engine) {
-	api.RegisterWebCoreServant(e, web.NewWebCoreSrv(), web.NewWebCoreBinding(), web.NewWebCoreRender())
+// RegisterWebServants register all the servants to gin.Engine
+func RegisterWebServants(e *gin.Engine) {
+	// 按需注册 docs、静态资源
+	{
+		registerDocs(e)
+		registerStatick(e)
+	}
+
+	web.RouteWeb(e)
+	localoss.RouteLocalOSS(e)
 }
diff --git a/internal/servants/statick.go b/internal/servants/statick.go
new file mode 100644
index 00000000..d711dfe3
--- /dev/null
+++ b/internal/servants/statick.go
@@ -0,0 +1,13 @@
+//go:build !embed
+// +build !embed
+
+package servants
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+// registerStatick stub function for register static asset route
+func registerStatick(e *gin.Engine) {
+	// empty
+}
diff --git a/internal/servants/statick_embed.go b/internal/servants/statick_embed.go
new file mode 100644
index 00000000..de212e55
--- /dev/null
+++ b/internal/servants/statick_embed.go
@@ -0,0 +1,27 @@
+//go:build embed
+// +build embed
+
+package servants
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/rocboss/paopao-ce/web"
+)
+
+// registerStatick register static assets route
+func registerStatick(e *gin.Engine) {
+	routeStatic(e, "/", "/index.html", "/favicon.ico", "/assets/*filepath")
+}
+
+func routeStatic(e *gin.Engine, paths ...string) {
+	staticHandler := http.FileServer(web.NewFileSystem())
+	handler := func(c *gin.Context) {
+		staticHandler.ServeHTTP(c.Writer, c.Request)
+	}
+	for _, path := range paths {
+		e.GET(path, handler)
+		e.HEAD(path, handler)
+	}
+}
diff --git a/internal/servants/web/core.go b/internal/servants/web/core.go
index 579b51b4..701e9fb2 100644
--- a/internal/servants/web/core.go
+++ b/internal/servants/web/core.go
@@ -25,3 +25,15 @@ type webCoreRender struct {
 	core.BaseRender
 	api.UnimplementedWebCoreRender
 }
+
+func newWebCoreSrv() api.WebCore {
+	return &webCoreSrv{}
+}
+
+func newWebCoreBinding() api.WebCoreBinding {
+	return &webCoreBinding{}
+}
+
+func newWebCoreRender() api.WebCoreRender {
+	return &webCoreRender{}
+}
diff --git a/internal/servants/web/web.go b/internal/servants/web/web.go
index 5f505dc1..60a0aeb1 100644
--- a/internal/servants/web/web.go
+++ b/internal/servants/web/web.go
@@ -1,17 +1,11 @@
 package web
 
 import (
+	"github.com/gin-gonic/gin"
 	api "github.com/rocboss/paopao-ce/internal/mirc/auto/api/v1"
 )
 
-func NewWebCoreSrv() api.WebCore {
-	return &webCoreSrv{}
-}
-
-func NewWebCoreBinding() api.WebCoreBinding {
-	return &webCoreBinding{}
-}
-
-func NewWebCoreRender() api.WebCoreRender {
-	return &webCoreRender{}
+// RouteWeb register web route
+func RouteWeb(e *gin.Engine) {
+	api.RegisterWebCoreServant(e, newWebCoreSrv(), newWebCoreBinding(), newWebCoreRender())
 }
diff --git a/internal/servants/web/xerror.go b/internal/servants/web/xerror.go
new file mode 100644
index 00000000..0398f648
--- /dev/null
+++ b/internal/servants/web/xerror.go
@@ -0,0 +1,73 @@
+package web
+
+import (
+	"github.com/rocboss/paopao-ce/internal/servants/core/xerror"
+)
+
+var (
+	errUsernameHasExisted      = xerror.NewError(20001, "用户名已存在")
+	errUsernameLengthLimit     = xerror.NewError(20002, "用户名长度3~12")
+	errUsernameCharLimit       = xerror.NewError(20003, "用户名只能包含字母、数字")
+	errPasswordLengthLimit     = xerror.NewError(20004, "密码长度6~16")
+	errUserRegisterFailed      = xerror.NewError(20005, "用户注册失败")
+	errUserHasBeenBanned       = xerror.NewError(20006, "该账户已被封停")
+	errNoPermission            = xerror.NewError(20007, "无权限执行该请求")
+	errUserHasBindOTP          = xerror.NewError(20008, "当前用户已绑定二次验证")
+	errUserOTPInvalid          = xerror.NewError(20009, "二次验证码验证失败")
+	errUserNoBindOTP           = xerror.NewError(20010, "当前用户未绑定二次验证")
+	errErrorOldPassword        = xerror.NewError(20011, "当前用户密码验证失败")
+	errErrorCaptchaPassword    = xerror.NewError(20012, "图形验证码验证失败")
+	errAccountNoPhoneBind      = xerror.NewError(20013, "拒绝操作: 账户未绑定手机号")
+	errTooManyLoginError       = xerror.NewError(20014, "登录失败次数过多，请稍后再试")
+	errGetPhoneCaptchaError    = xerror.NewError(20015, "短信验证码获取失败")
+	errTooManyPhoneCaptchaSend = xerror.NewError(20016, "短信验证码获取次数已达今日上限")
+	errExistedUserPhone        = xerror.NewError(20017, "该手机号已被绑定")
+	errErrorPhoneCaptcha       = xerror.NewError(20018, "手机验证码不正确")
+	errMaxPhoneCaptchaUseTimes = xerror.NewError(20019, "手机验证码已达最大使用次数")
+	errNicknameLengthLimit     = xerror.NewError(20020, "昵称长度2~12")
+	errNoExistUsername         = xerror.NewError(20021, "用户不存在")
+	errNoAdminPermission       = xerror.NewError(20022, "无管理权限")
+
+	errGetPostsFailed          = xerror.NewError(30001, "获取动态列表失败")
+	errCreatePostFailed        = xerror.NewError(30002, "动态发布失败")
+	errGetPostFailed           = xerror.NewError(30003, "获取动态详情失败")
+	errDeletePostFailed        = xerror.NewError(30004, "动态删除失败")
+	errLockPostFailed          = xerror.NewError(30005, "动态锁定失败")
+	errGetPostTagsFailed       = xerror.NewError(30006, "获取话题列表失败")
+	errInvalidDownloadReq      = xerror.NewError(30007, "附件下载请求不合法")
+	errDownloadReqError        = xerror.NewError(30008, "附件下载请求失败")
+	errInsuffientDownloadMoney = xerror.NewError(30009, "附件下载失败:账户资金不足")
+	errDownloadExecFail        = xerror.NewError(30010, "附件下载失败:扣费失败")
+	errStickPostFailed         = xerror.NewError(30011, "动态置顶失败")
+	errVisblePostFailed        = xerror.NewError(30012, "更新可见性失败")
+
+	errGetCommentsFailed   = xerror.NewError(40001, "获取评论列表失败")
+	errCreateCommentFailed = xerror.NewError(40002, "评论发布失败")
+	errGetCommentFailed    = xerror.NewError(40003, "获取评论详情失败")
+	errDeleteCommentFailed = xerror.NewError(40004, "评论删除失败")
+	errCreateReplyFailed   = xerror.NewError(40005, "评论回复失败")
+	errGetReplyFailed      = xerror.NewError(40006, "获取评论详情失败")
+	errMaxCommentCount     = xerror.NewError(40007, "评论数已达最大限制")
+
+	errGetMessagesFailed = xerror.NewError(50001, "获取消息列表失败")
+	errReadMessageFailed = xerror.NewError(50002, "标记消息已读失败")
+	errSendWhisperFailed = xerror.NewError(50003, "私信发送失败")
+	errNoWhisperToSelf   = xerror.NewError(50004, "不允许给自己发送私信")
+	errTooManyWhisperNum = xerror.NewError(50005, "今日私信次数已达上限")
+
+	errGetCollectionsFailed = xerror.NewError(60001, "获取收藏列表失败")
+	errGetStarsFailed       = xerror.NewError(60002, "获取点赞列表失败")
+
+	errRechargeReqFail     = xerror.NewError(70001, "充值请求失败")
+	errRechargeNotifyError = xerror.NewError(70002, "充值回调失败")
+	errGetRechargeFailed   = xerror.NewError(70003, "充值详情获取失败")
+
+	errNoRequestingFriendToSelf   = xerror.NewError(80001, "不允许添加自己为好友")
+	errNotExistFriendId           = xerror.NewError(80002, "好友id不存在")
+	errSendRequestingFriendFailed = xerror.NewError(80003, "申请添加朋友请求发送失败")
+	errAddFriendFailed            = xerror.NewError(80004, "添加好友失败")
+	errRejectFriendFailed         = xerror.NewError(80005, "拒绝好友失败")
+	errDeleteFriendFailed         = xerror.NewError(80006, "删除好友失败")
+	errGetContactsFailed          = xerror.NewError(80007, "获取联系人列表失败")
+	errNoActionToSelf             = xerror.NewError(80008, "不允许对自己操作")
+)