article cold start task bug fix

read_rate_task.py

@@ -0,0 +1,7 @@
+from datetime import datetime
+from tasks.data_tasks.account_position_read_avg_task import AccountOpenRateAvgTask
+
+
+if __name__ == '__main__':
+    task = AccountOpenRateAvgTask()
+    task.deal(date_str="2025-05-26")