diff --git a/api/api_v1/endpoints/dashboard.py b/api/api_v1/endpoints/dashboard.py
index 2dce755..d98d58f 100644
--- a/api/api_v1/endpoints/dashboard.py
+++ b/api/api_v1/endpoints/dashboard.py
@@ -162,7 +162,7 @@ async def edit_report(data_in: schemas.EditReport,
     """编辑报表"""
 
     res = await crud.dashboard.update_one(db, {'_id': data_in.id, 'reports.report_id': data_in.report.report_id},
-                                          {'$set': {'reports.$': data_in.report.dict()}})
+                                          {'$set': {'reports.$': data_in.report.dict(skip_defaults=True)}})
 
     return schemas.Msg(code=0, msg='ok', data='ok')
 
diff --git a/core/config.py b/core/config.py
index eac4872..7a411c7 100644
--- a/core/config.py
+++ b/core/config.py
@@ -81,6 +81,7 @@ class Settings(BaseSettings):
         'max': lambda x: func.max(x),
         'min': lambda x: func.min(x),
         'distinct_count': lambda x: func.uniqCombined(x),
+        'uniqCombined': lambda x: func.uniqCombined(x),
     }
 
     CK_OPERATOR = {
diff --git a/schemas/dashboard.py b/schemas/dashboard.py
index 5b5b094..f2a7761 100644
--- a/schemas/dashboard.py
+++ b/schemas/dashboard.py
@@ -35,7 +35,7 @@ class Report(BaseModel):
     ascending: bool = None
     model: str = None
     graph_size: str = None
-    sort: int = 999
+    sort: int = None
     modelswitch: bool = None
     avesumdata: bool = True
     daydata: bool = True