修复loading bug

pages/trace/insert.js

@@ -191,7 +191,9 @@ Page({
         icon: "none",
         mask: res.msg == '成功'
       });
-      if (res.msg != '成功') return;
+      if (res.msg != '成功') return   this.setData({
+        loading: false
+      });
       res.data.names = res.data.contacts.map(n => n.name)
       let attachmentids = this.selectComponent("#Yl_files").getFiles().attachmentids;
       if (attachmentids.length) return this.handleFileLink(attachmentids, 'sys_datafollowup', res.data.sys_datafollowupid, res.data);