增加企微验证

we-com-server/src/main/java/com/tzld/piaoquan/wecom/controller/WeComController.java

@@ -111,6 +111,7 @@ public class WeComController {
         } catch (Exception e) {
             log.error("verifyPost error", e);
         }
-        return "success";
+        String success = "success";
+        return success;
     }
 }