diff --git a/examples/DataRecording/runDataCleaning.py b/examples/DataRecording/runDataCleaning.py
index d99be501..7cccfeaa 100644
--- a/examples/DataRecording/runDataCleaning.py
+++ b/examples/DataRecording/runDataCleaning.py
@@ -32,7 +32,7 @@ def cleanData(dbName, collectionName, start):
     # 遍历数据
     for data in cx:
         # 获取时间戳对象
-        time = data['datetime'].time()
+        dt = data['datetime'].time()
         
         # 默认需要清洗
         cleanRequired = True
@@ -81,4 +81,4 @@ def runDataCleaning():
     
 
 if __name__ == '__main__':
-    runDataCleaning()
\ No newline at end of file
+    runDataCleaning()