调整路由以符合 RESTful 规范，新增 API Token 撤销功能

internal/model/response.go

@@ -9,13 +9,14 @@ type Response struct {
 
 // 错误码定义
 const (
-	CodeSuccess       = 200
-	CodeBadRequest    = 400
-	CodeUnauthorized  = 401
-	CodeForbidden     = 403
-	CodeNotFound      = 404
-	CodeGone          = 410
-	CodeInternalError = 500
+	CodeSuccess         = 200
+	CodeBadRequest      = 400
+	CodeUnauthorized    = 401
+	CodeForbidden       = 403
+	CodeNotFound        = 404
+	CodeGone            = 410
+	CodeInternalError   = 500
+	CodeTooManyRequests = 429
 )
 
 // NewResponse 创建响应