diff --git a/wasm/cmd/main.go b/wasm/cmd/main.go
index 2b9d1d3ab..35bc9d375 100644
--- a/wasm/cmd/main.go
+++ b/wasm/cmd/main.go
@@ -84,7 +84,6 @@ func registerFunc() {
 	js.Global().Set("markMessagesAsReadByMsgID", js.FuncOf(wrapperConMsg.MarkMessagesAsReadByMsgID))
 	js.Global().Set("sendMessage", js.FuncOf(wrapperConMsg.SendMessage))
 	js.Global().Set("sendMessageNotOss", js.FuncOf(wrapperConMsg.SendMessageNotOss))
-	js.Global().Set("sendMessageByBuffer", js.FuncOf(wrapperConMsg.SendMessageByBuffer))
 	//js.Global().Set("setMessageReactionExtensions", js.FuncOf(wrapperConMsg.SetMessageReactionExtensions))
 	//js.Global().Set("addMessageReactionExtensions", js.FuncOf(wrapperConMsg.AddMessageReactionExtensions))
 	//js.Global().Set("deleteMessageReactionExtensions", js.FuncOf(wrapperConMsg.DeleteMessageReactionExtensions))
diff --git a/wasm/wasm_wrapper/wasm_conversation_msg.go b/wasm/wasm_wrapper/wasm_conversation_msg.go
index 8215960e2..1da0bd059 100644
--- a/wasm/wasm_wrapper/wasm_conversation_msg.go
+++ b/wasm/wasm_wrapper/wasm_conversation_msg.go
@@ -133,10 +133,6 @@ func (w *WrapperConMsg) SendMessageNotOss(_ js.Value, args []js.Value) interface
 	callback := event_listener.NewSendMessageCallback(utils.FirstLower(utils.GetSelfFuncName()), w.commonFunc).SetClientMsgID(&args)
 	return event_listener.NewCaller(open_im_sdk.SendMessageNotOss, callback, &args).AsyncCallWithCallback()
 }
-func (w *WrapperConMsg) SendMessageByBuffer(_ js.Value, args []js.Value) interface{} {
-	callback := event_listener.NewSendMessageCallback(utils.FirstLower(utils.GetSelfFuncName()), w.commonFunc).SetClientMsgID(&args)
-	return event_listener.NewCaller(open_im_sdk.SendMessageByBuffer, callback, &args).AsyncCallWithCallback()
-}
 
 //funcation (w *WrapperConMsg) SetMessageReactionExtensions(_ js.Value, args []js.Value) interface{} {
 //	callback := event_listener.NewBaseCallback(utils.FirstLower(utils.GetSelfFuncName()), w.commonFunc)