diff --git a/Server/application/common.php b/Server/application/common.php
index 37a12739..e6cc5e26 100644
--- a/Server/application/common.php
+++ b/Server/application/common.php
@@ -550,14 +550,15 @@ if (!function_exists('exit_data')) {
             exit();
     }
 }
-
-/**
- * 调试打印变量但不终止程序
- * @return void
- */
-function dump()
-{
-    call_user_func_array(['app\\common\\helper\\Debug', 'dump'], func_get_args());
+if (!function_exists('dump')) {
+    /**
+     * 调试打印变量但不终止程序
+     * @return void
+     */
+    function dump()
+    {
+        call_user_func_array(['app\\common\\helper\\Debug', 'dump'], func_get_args());
+    }
 }
 
 if (!function_exists('artificialAllotWechatFriend')) {