1、修改解绑支付宝调错短信的bug

lib/pages/security_page/security_unbind_alipay/security_unbin_alipay.dart

@@ -143,7 +143,7 @@ class _SecurityUnbinAlipayState extends State<SecurityUnbinAlipay> {
     //   });
     // });
 
-    bool result = await MobUtil.getTextCode(_status['mobile_setting_text'], smsCodeType: SMSCodeType.BIND_ALIPAY);
+    bool result = await MobUtil.getTextCode(_status['mobile_setting_text'], smsCodeType: SMSCodeType.UNBIND_ALIPAY);
     if (result) {
       Fluttertoast.showToast(msg: '发送成功');
       _second = 60;