diff --git a/cucyuqing/cmd/es-sync.py b/cucyuqing/cmd/es-sync.py
index 9e65c30..660f6a4 100644
--- a/cucyuqing/cmd/es-sync.py
+++ b/cucyuqing/cmd/es-sync.py
@@ -28,7 +28,7 @@ class ESInterval(pydantic.BaseModel):
 
 
 def format_datetime(dt: datetime.datetime) -> str:
-    return dt.strftime("%Y%m%d%H")
+    return dt.strftime("%Y%m%d%H%M%S")
 
 
 def parse_unixtime(unixtime: int) -> datetime.datetime: