From 3e6fc41298f55363fbbf8a410acebd7d57d7b409 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=9A=E5=90=83=E7=82=B9=E8=8B=B9=E6=9E=9C?=
 <73388495+eatmoreapple@users.noreply.github.com>
Date: Sun, 5 Feb 2023 11:23:05 +0800
Subject: [PATCH] =?UTF-8?q?[fix]:=20=E4=BF=AE=E6=94=B9=E5=90=8C=E6=AD=A5?=
 =?UTF-8?q?=E6=B6=88=E6=81=AF=E9=80=BB=E8=BE=91=20(#236)?=
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---
 bot.go        | 8 ++++++--
 sync_check.go | 6 +++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/bot.go b/bot.go
index 3c974ec..f8e98fc 100644
--- a/bot.go
+++ b/bot.go
@@ -223,8 +223,8 @@ func (b *Bot) syncCheck() error {
 		if !resp.Success() {
 			return resp.Err()
 		}
-		// 如果Selector不为0，则获取消息
-		if !resp.NorMal() {
+		switch resp.Selector {
+		case SelectorNewMsg:
 			messages, err := b.syncMessage()
 			if err != nil {
 				return err
@@ -237,8 +237,12 @@ func (b *Bot) syncCheck() error {
 				// 默认同步调用
 				// 如果异步调用则需自行处理
 				// 如配合 openwechat.MessageMatchDispatcher 使用
+				// NOTE: 请确保 MessageHandler 不会阻塞，否则会导致收不到后续的消息
 				b.MessageHandler(message)
 			}
+		case SelectorModContact:
+		case SelectorAddOrDelContact:
+		case SelectorModChatRoom:
 		}
 	}
 	return err
diff --git a/sync_check.go b/sync_check.go
index 3dd069b..6f70da3 100644
--- a/sync_check.go
+++ b/sync_check.go
@@ -25,7 +25,11 @@ func (s SyncCheckResponse) Success() bool {
 }
 
 func (s SyncCheckResponse) NorMal() bool {
-	return s.Success() && s.Selector == "0"
+	return s.Success() && s.Selector == SelectorNormal
+}
+
+func (s SyncCheckResponse) HasNewMessage() bool {
+	return s.Success() && s.Selector == SelectorNewMsg
 }
 
 func (s SyncCheckResponse) Err() error {