diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02c6b26..344c60b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,4 +25,6 @@
  ### 1.1.2
  * Optimize connections
  ### 1.1.3
- * Add some methods
\ No newline at end of file
+ * Add some methods
+ ### 1.1.4
+ * update set reddot method
\ No newline at end of file
diff --git a/README.md b/README.md
index f432e34..7ccbf08 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 #### 安装
 ```
 dependencies:
-  wukongimfluttersdk: ^1.1.3
+  wukongimfluttersdk: ^1.1.4
 ```
 #### 引入
 ```dart
diff --git a/example/pubspec.lock b/example/pubspec.lock
index ce49fab..54dd770 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -499,7 +499,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.1.3"
+    version: "1.1.4"
   x25519:
     dependency: transitive
     description:
diff --git a/lib/db/conversation.dart b/lib/db/conversation.dart
index ba3ee3d..6cd06fc 100644
--- a/lib/db/conversation.dart
+++ b/lib/db/conversation.dart
@@ -196,7 +196,7 @@ class ConversationDB {
       dynamic map, String channelID, int channelType) async {
     return await WKDBHelper.shared.getDB().update(
         WKDBConst.tableConversation, map,
-        where: "channel_id=$channelID and channel_type=$channelType");
+        where: "channel_id='$channelID' and channel_type=$channelType");
   }
 
   WKUIConversationMsg getUIMsg(WKConversationMsg conversationMsg) {
diff --git a/lib/manager/conversation_manager.dart b/lib/manager/conversation_manager.dart
index 5ab30ee..5f53300 100644
--- a/lib/manager/conversation_manager.dart
+++ b/lib/manager/conversation_manager.dart
@@ -27,7 +27,7 @@ class WKConversationManager {
   Future<bool> deleteMsg(String channelID, int channelType) async {
     bool result = await ConversationDB.shared.delete(channelID, channelType);
     if (result) {
-      setDeleteMsg(channelID, channelType);
+      _setDeleteMsg(channelID, channelType);
     }
 
     return result;
@@ -103,7 +103,7 @@ class WKConversationManager {
     }
   }
 
-  setDeleteMsg(String channelID, int channelType) {
+  _setDeleteMsg(String channelID, int channelType) {
     if (_deleteMsgMap != null) {
       _deleteMsgMap!.forEach((key, back) {
         back(channelID, channelType);
diff --git a/pubspec.yaml b/pubspec.yaml
index 7b643bd..ced8645 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ description: wukong IM flutter sdk
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.1.3
+version: 1.1.4
 homepage: https://github.com/WuKongIM/WuKongIMFlutterSDK
 
 environment: