修改

app/common.php

@@ -26,7 +26,7 @@ function getImageAr($imgs,$limit=-1,$sep = ","){
         return explode($sep,$imgs);
     }
     if($limit==0){
-        return explode($sep,$imgs,1)[0];
+        return explode($sep,$imgs)[0];
     }
     return explode($sep,$imgs,$limit);
 }

app/system/controller/ShowTemplate.php

@@ -56,7 +56,7 @@ class ShowTemplate extends  BaseController{
             foreach($data as $k=>$v){
                 $data[$k]["time"] = date("Y-m-d H:i:s",$v["time"]);
                 $data[$k]["imgs"]   = getImageAr($v["imgs"]);
-//                $data[$k]["img"]    = getImageAr($v["imgs"],0);
+                $data[$k]["img"]    = getImageAr($v["imgs"],0);
             }
         }
         $data = empty($data)?[]:$data;