Update dingding.json

dingding.json

@@ -2,6 +2,6 @@
   "msgtype": "markdown",
   "msgtype": "markdown",
   "markdown": {
   "markdown": {
     "title":"自动化测试",
     "title":"自动化测试",
-    "text": "### 点餐啦！\n> ![screenshot](http://qaman.ixm5.cn/job/havedinner/ws/chifanlo.gif)\n> "
+    "text": "### 点餐啦！\n> ![screenshot](http://qaman.ixm5.cn/job/havedinner/ws/workdakala.png)\n> "
   }
   }
 }
 }
\ No newline at end of file