diff --git a/base_plugins/echo.py b/base_plugins/echo.py
new file mode 100644
index 0000000..5a4187c
--- /dev/null
+++ b/base_plugins/echo.py
@@ -0,0 +1,19 @@
+from core.command_manager import matcher
+#TODO 把该死的这些给抽象化
+@matcher.command("echo")
+async def handle_echo(bot, event, args):
+    if not args:
+        reply_msg = "请在指令后输入要回复的内容，例如：/echo 你好"
+    else:
+        reply_msg = " ".join(args)
+
+    if event.message_type == "group":
+        await bot.call_api("send_group_msg", {
+            "group_id": event.group_id,
+            "message": reply_msg
+        })
+    else:
+        await bot.call_api("send_private_msg", {
+            "user_id": event.user_id,
+            "message": reply_msg
+        })
\ No newline at end of file
diff --git a/core/ws.py b/core/ws.py
index 35b2177..aa8d7c7 100644
--- a/core/ws.py
+++ b/core/ws.py
@@ -84,11 +84,14 @@ class WS:
             print(f" 事件分发失败: {e}")
 
     async def call_api(self, action: str, params: dict = None):
-        """公有 API：供插件调用，发送指令并异步等待结果"""
-        if not self.ws or self.ws.closed:
-            return {"status": "failed", "msg": "websocket not connected"}
+        if not self.ws:
+            return {"status": "failed", "msg": "websocket not initialized"}
+            
+        # 检查 websockets 13.x+ 的状态属性
+        from websockets.protocol import State
+        if getattr(self.ws, "state", None) is not State.OPEN:
+             return {"status": "failed", "msg": "websocket is not open"}
 
-        # 创建唯一的 echo ID
         echo_id = str(uuid.uuid4())
         payload = {
             "action": action,
diff --git a/main.py b/main.py
index 0c5cce6..76729d7 100644
--- a/main.py
+++ b/main.py
@@ -1,7 +1,7 @@
 # main.py
 import asyncio
 from core import WS
-
+import base_plugins
 async def main():
     bot = WS()
     await bot.connect()
diff --git a/models/base.py b/models/base.py
index e69de29..6440d2a 100644
--- a/models/base.py
+++ b/models/base.py
@@ -0,0 +1 @@
+#TODO 数据类型
\ No newline at end of file
diff --git a/models/sender.py b/models/sender.py
index 1d2e708..13f71cb 100644
--- a/models/sender.py
+++ b/models/sender.py
@@ -1,5 +1,5 @@
 from dataclasses import dataclass
-
+#TODO 数据类型
 @dataclass
 class Sender:
     user_id: int