diff --git a/aliyun/log/odps_sink.py b/aliyun/log/odps_sink.py
index 957d4d9..3ac7d07 100644
--- a/aliyun/log/odps_sink.py
+++ b/aliyun/log/odps_sink.py
@@ -72,7 +72,7 @@ def setFields(self, fields):
     def getPartitionColumn(self):
         return self.__params["partitionColumn"]
 
-    def setPartitionColumn(self, partitionColumn: list):
+    def setPartitionColumn(self, partitionColumn):
         self.__params["partitionColumn"] = partitionColumn
 
     def getParams(self):