微信配置BUG修复

src/app/views/wechat-config/wechat-config.component.ts

@@ -171,6 +171,8 @@ export class WechatConfigComponent implements OnInit {
   //修改默认院区
   hospitalChange(hosId) {
     this.hosId = hosId;
+    this.validateForm.controls.defaultDept.setValue(null);
+    this.validateForm.controls.defaultGroup.setValue(null);
     this.getGroupList(hosId).subscribe((result) => {
       if (result.status == 200) {
         this.groupList = result.list;