Cap langchain version

setup.py

@@ -38,10 +38,10 @@ BASE_DEP_SPECS = {
     "imagesize": "",
     "Jinja2": "",
     "joblib": "",
-    "langchain": ">= 0.2",
-    "langchain-community": ">= 0.2",
+    "langchain": ">= 0.2, < 1.0",
+    "langchain-community": ">= 0.2, < 1.0",
     "langchain-core": "",
-    "langchain-openai": ">= 0.1",
+    "langchain-openai": ">= 0.1, < 1.0",
     "lxml": "",
     "matplotlib": "",
     "modelscope": ">=1.28.0",