fix:跨域允许所有Header

@@ -19,7 +19,8 @@ func AllowCors() func(ctx *context.Context) {
 		//其中Options跨域复杂请求预检
 		AllowMethods: []string{"*"},
 		//指的是允许的Header的种类
-		AllowHeaders: []string{"Origin", "Authorization", "Access-Control-Allow-Origin", "Content-Type", "x-requested-with", "x-tl-sign"},
+		//AllowHeaders: []string{"Origin", "Authorization", "Access-Control-Allow-Origin", "Content-Type", "x-requested-with"},
+		AllowHeaders: []string{"*"},
 		//公开的HTTP标头列表
 		ExposeHeaders: []string{"Content-Length"},
 		//如果设置，则允许共享身份验证凭据，例如cookie