diff --git a/konabot/plugins/handle_text/handlers/unix_handlers.py b/konabot/plugins/handle_text/handlers/unix_handlers.py
index 16e210d..f9ab5e7 100644
--- a/konabot/plugins/handle_text/handlers/unix_handlers.py
+++ b/konabot/plugins/handle_text/handlers/unix_handlers.py
@@ -13,10 +13,9 @@ class THEcho(TextHandler):
     async def handle(
         self, env: TextHandlerEnvironment, istream: str | None, args: list[str]
     ) -> TextHandleResult:
-        if len(args) == 0 and istream is None:
+        # echo 不读 stdin，只输出参数（Unix 语义）
+        if len(args) == 0:
             return TextHandleResult(1, "请在 echo 后面添加需要输出的文本")
-        if istream is not None:
-            return TextHandleResult(0, "\n".join([istream] + args))
         return TextHandleResult(0, "\n".join(args))