diff --git a/app/Utils/Helper.php b/app/Utils/Helper.php
old mode 100755
new mode 100644
diff --git a/app/Utils/QuantumultX.php b/app/Utils/QuantumultX.php
index 53f22bb9..e3c0b6af 100644
--- a/app/Utils/QuantumultX.php
+++ b/app/Utils/QuantumultX.php
@@ -43,7 +43,7 @@ class QuantumultX
             }
         }
 
-        $uri = implode($config, ',');
+        $uri = implode(',', $config);
         $uri .= "\r\n";
         return $uri;
     }
@@ -61,7 +61,7 @@ class QuantumultX
             "tag={$server->name}"
         ];
         $config = array_filter($config);
-        $uri = implode($config, ',');
+        $uri = implode(',', $config);
         $uri .= "\r\n";
         return $uri;
     }
diff --git a/app/Utils/Surge.php b/app/Utils/Surge.php
index 5f8e6570..18bb6592 100644
--- a/app/Utils/Surge.php
+++ b/app/Utils/Surge.php
@@ -39,7 +39,7 @@ class Surge
             "tfo=true"
         ];
         $config = array_filter($config);
-        $uri = implode($config, ',');
+        $uri = implode(',', $config);
         $uri .= "\r\n";
         return $uri;
     }