diff --git a/oss-model-connector/ossmodelconnector/_oss_connector/oss_model_connector.pyi b/oss-model-connector/ossmodelconnector/_oss_connector/oss_model_connector.pyi
index 97c2a80..fa61cf0 100644
--- a/oss-model-connector/ossmodelconnector/_oss_connector/oss_model_connector.pyi
+++ b/oss-model-connector/ossmodelconnector/_oss_connector/oss_model_connector.pyi
@@ -7,10 +7,11 @@ class DataObject:
     def __exit__(self, exc_type, exc_val, exc_tb): ...
     def tell(self) -> int: ...
     def seek(self, offset: int, whence: int) -> int: ...
-    def read(self, count: int) -> bytes: ...
+    def read(self, size: int): ...
+    def readline(self, size: int): ...
     def readinto(self, buf) -> int: ...
     def mmap(self) -> int: ...
-    def close(self) -> int: ...
+    def close(self): ...
     def size(self) -> int: ...