修改

app/common.php

@@ -35,18 +35,19 @@ function getImageAr($imgs,$limit=-1,$sep = ","){
  * @param type $id
  */
 function getAreaItemAr($id){
-    $data = $CityModel->field("id,name,level")->where("id",$id)->find();
+    $cityModel = new CityModel();
+    $data = $cityModel->field("id,name,level")->where("id",$id)->find();
     if(empty($data)){
         return [];
     }
     if($data["level"]==0){
         return [$data];
     }
-    $parentData = $CityModel->field("id,name,level")->where("city_id",$data["parent_id"])->find();
+    $parentData = $cityModel->field("id,name,level")->where("city_id",$data["parent_id"])->find();
     if($data["level"]==1){
         return [$parentData,$data];
     }
-    $firstData = $CityModel->field("id,name,level")->where("city_id",$parentData["parent_id"])->find();
+    $firstData = $cityModel->field("id,name,level")->where("city_id",$parentData["parent_id"])->find();
     return [$firstData,$parentData,$data];
 }