diff --git a/metagpt/provider/zhipuai/async_sse_client.py b/metagpt/provider/zhipuai/async_sse_client.py
index 054865652..116d82f71 100644
--- a/metagpt/provider/zhipuai/async_sse_client.py
+++ b/metagpt/provider/zhipuai/async_sse_client.py
@@ -17,7 +17,7 @@ async def stream(self) -> dict:
                 f"Request failed, msg: {self._event_source.decode('utf-8')}, please ref to `https://open.bigmodel.cn/dev/api#error-code-v3`"
             )
         async for chunk in self._event_source:
-            line = chunk.decode("utf-8")
+            line = chunk.data.decode("utf-8")
             if line.startswith(":") or not line:
                 return
 
diff --git a/metagpt/provider/zhipuai/zhipu_model_api.py b/metagpt/provider/zhipuai/zhipu_model_api.py
index a7d49623a..bff5889eb 100644
--- a/metagpt/provider/zhipuai/zhipu_model_api.py
+++ b/metagpt/provider/zhipuai/zhipu_model_api.py
@@ -40,7 +40,7 @@ async def acreate(self, **kwargs) -> dict:
         """async invoke different from raw method `async_invoke` which get the final result by task_id"""
         headers = self._default_headers
         resp = await self.arequest(stream=False, method="post", headers=headers, kwargs=kwargs)
-        resp = resp.decode("utf-8")
+        resp = resp.data.decode("utf-8")
         resp = json.loads(resp)
         if "error" in resp:
             raise RuntimeError(
diff --git a/metagpt/utils/token_counter.py b/metagpt/utils/token_counter.py
index 3bff53e34..1bc6b597d 100644
--- a/metagpt/utils/token_counter.py
+++ b/metagpt/utils/token_counter.py
@@ -52,6 +52,8 @@
     "text-embedding-ada-002": {"prompt": 0.0004, "completion": 0.0},
     "glm-3-turbo": {"prompt": 0.0007, "completion": 0.0007},  # 128k version, prompt + completion tokens=0.005￥/k-tokens
     "glm-4": {"prompt": 0.014, "completion": 0.014},  # 128k version, prompt + completion tokens=0.1￥/k-tokens
+    "glm-4-flash": {"prompt": 0, "completion": 0},
+    "glm-4-plus": {"prompt": 0.007, "completion": 0.007},
     "gemini-1.5-flash": {"prompt": 0.000075, "completion": 0.0003},
     "gemini-1.5-pro": {"prompt": 0.0035, "completion": 0.0105},
     "gemini-1.0-pro": {"prompt": 0.0005, "completion": 0.0015},
diff --git a/requirements.txt b/requirements.txt
index 36cf4350e..288d50636 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ httplib2~=0.22.0
 websocket-client~=1.8.0
 aiofiles==23.2.1
 gitpython==3.1.40
-zhipuai==2.0.1
+zhipuai~=2.1.5
 rich==13.6.0
 nbclient==0.9.0
 nbformat==5.9.2