fix bug

app/controller/Article.php

@@ -80,6 +80,9 @@ class Article
         $article_id = $GLOBALS['data']['data']['article_id'];
         $info = Db::name('app_article')->where("id",$article_id)->find();
         if(empty($info)) return show("找不到该动态信息！");
+        if(!empty($info['imgs'])) {
+            $info['imgs'] = json_decode(str_replace(['{', '}'], ['[', ']'], imgs['imgs']), true);
+        }
         $info['other_list'] = [];
         $lists = Db::name('app_article')
             ->where("userid",$info["userid"])
@@ -88,8 +91,9 @@ class Article
             ->limit(env("page_count"))
             ->select();
         foreach($lists as $vo){
-
-            $vo['imgs'] = json_decode(str_replace(['{','}'],['[',']'],$vo['imgs']),true);
+            if(!empty($vo['imgs'])) {
+                $vo['imgs'] = json_decode(str_replace(['{', '}'], ['[', ']'], $vo['imgs']), true);
+            }
             $info['other_list'][] = $vo;
         }
         $info['userinfo']=[];