diff --git a/script/linedata/auto_format.php b/script/linedata/auto_format.php
index 3847202..249d7b9 100644
--- a/script/linedata/auto_format.php
+++ b/script/linedata/auto_format.php
@@ -343,16 +343,15 @@ function ip_repeat(&$record, $ip, $dns = '')
 
 function city_exist($citys, $city)
 {
-    return $city;
-    // for ($i = 2; $i < 100; $i++) {
-    //     if (in_array($city, $citys)) {
-    //         if (in_array($city . $i, $citys)) {
-    //             continue;
-    //         } else {
-    //             return $city . $i;
-    //         }
-    //     } else {
-    //         return $city;
-    //     }
-    // }
+    for ($i = 1; $i < 100; $i++) {
+        if (in_array($city, $citys)) {
+            if (in_array($city . $i, $citys)) {
+                continue;
+            } else {
+                return $city . $i;
+            }
+        } else {
+            return $city;
+        }
+    }
 }