diff --git a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/ToException.java b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/ToException.java
new file mode 100644
index 00000000..e3fe146f
--- /dev/null
+++ b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/ToException.java
@@ -0,0 +1,31 @@
+package ink.wgink.exceptions.websocket;
+
+/**
+ * @ClassName: ToException
+ * @Description:
+ * @Author: wanggeng
+ * @Date: 2021/12/7 11:52 AM
+ * @Version: 1.0
+ */
+public class ToException extends BaseSocketException{
+
+    public ToException() {
+        super();
+    }
+
+    public ToException(String message) {
+        super(message);
+    }
+
+    public ToException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public ToException(Throwable cause) {
+        super(cause);
+    }
+
+    public ToException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}
diff --git a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserException.java b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserException.java
deleted file mode 100644
index 9fd2c8d5..00000000
--- a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserException.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package ink.wgink.exceptions.websocket;
-
-/**
- * When you feel like quitting. Think about why you started
- * 当你想要放弃的时候，想想当初你为何开始
- *
- * @ClassName: UserErrorException
- * @Description: 用户错误异常
- * @Author: wanggeng
- * @Date: 2021/1/14 12:51 下午
- * @Version: 1.0
- */
-public class UserException extends BaseSocketException {
-
-    public UserException() {
-    }
-
-    public UserException(String message) {
-        super(message);
-    }
-
-    public UserException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-    public UserException(Throwable cause) {
-        super(cause);
-    }
-
-    public UserException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
-        super(message, cause, enableSuppression, writableStackTrace);
-    }
-}
diff --git a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserOfflineException.java b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserOfflineException.java
new file mode 100644
index 00000000..c27e44f8
--- /dev/null
+++ b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/UserOfflineException.java
@@ -0,0 +1,31 @@
+package ink.wgink.exceptions.websocket;
+
+/**
+ * @ClassName: UserOffineException
+ * @Description: 用户离线
+ * @Author: wanggeng
+ * @Date: 2021/12/7 11:09 AM
+ * @Version: 1.0
+ */
+public class UserOfflineException extends BaseSocketException {
+
+    public UserOfflineException() {
+        super();
+    }
+
+    public UserOfflineException(String message) {
+        super(message);
+    }
+
+    public UserOfflineException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public UserOfflineException(Throwable cause) {
+        super(cause);
+    }
+
+    public UserOfflineException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}
diff --git a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/RtcUserOfflineException.java b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/RtcUserOfflineException.java
new file mode 100644
index 00000000..b397978f
--- /dev/null
+++ b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/RtcUserOfflineException.java
@@ -0,0 +1,33 @@
+package ink.wgink.exceptions.websocket.useroffline;
+
+import ink.wgink.exceptions.websocket.UserOfflineException;
+
+/**
+ * @ClassName: VideoMessageUserOfflineException
+ * @Description:
+ * @Author: wanggeng
+ * @Date: 2021/12/7 2:35 PM
+ * @Version: 1.0
+ */
+public class RtcUserOfflineException extends UserOfflineException {
+
+    public RtcUserOfflineException() {
+        super();
+    }
+
+    public RtcUserOfflineException(String message) {
+        super(message);
+    }
+
+    public RtcUserOfflineException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public RtcUserOfflineException(Throwable cause) {
+        super(cause);
+    }
+
+    public RtcUserOfflineException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}
diff --git a/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/TextUserOfflineException.java b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/TextUserOfflineException.java
new file mode 100644
index 00000000..292dd12f
--- /dev/null
+++ b/basic-exception/src/main/java/ink/wgink/exceptions/websocket/useroffline/TextUserOfflineException.java
@@ -0,0 +1,33 @@
+package ink.wgink.exceptions.websocket.useroffline;
+
+import ink.wgink.exceptions.websocket.UserOfflineException;
+
+/**
+ * @ClassName: TextUserOfflineException
+ * @Description: 文本消息用户离线
+ * @Author: wanggeng
+ * @Date: 2021/12/7 2:34 PM
+ * @Version: 1.0
+ */
+public class TextUserOfflineException extends UserOfflineException {
+
+    public TextUserOfflineException() {
+        super();
+    }
+
+    public TextUserOfflineException(String message) {
+        super(message);
+    }
+
+    public TextUserOfflineException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public TextUserOfflineException(Throwable cause) {
+        super(cause);
+    }
+
+    public TextUserOfflineException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}