diff --git a/app/Filters/Admin/MonitorModeFilter.php b/app/Filters/Admin/MonitorModeFilter.php
index abb8fa8..b3e8c3b 100644
--- a/app/Filters/Admin/MonitorModeFilter.php
+++ b/app/Filters/Admin/MonitorModeFilter.php
@@ -34,10 +34,12 @@ class MonitorModeFilter extends ModelFilter
         };
         return $this->where('type', $type);
     }
+
     /**
      * 分组
      */
-    public function groupTags($groupTags){
-        return $this->whereRaw("FIND_IN_SET(group_tags,$groupTags)");
+    public function groupTags($groupTags)
+    {
+        return $this->whereRaw("FIND_IN_SET(group_tags,'$groupTags')");
     }
 }