diff --git a/sql/db_diagnostic.py b/sql/db_diagnostic.py
index 89bb10bce0..ca01b0bc96 100644
--- a/sql/db_diagnostic.py
+++ b/sql/db_diagnostic.py
@@ -162,7 +162,7 @@ def tablespace(request):
         if not query_result.error:
             table_space = query_result.to_dict()
             r = query_engine.tablespace_count()
-            total = r[0][0]
+            total = r.rows[0][0]
             result = {"status": 0, "msg": "ok", "rows": table_space, "total": total}
         else:
             result = {"status": 1, "msg": query_result.error}
diff --git a/sql/slowlog.py b/sql/slowlog.py
index ca952951ad..4211bb1528 100644
--- a/sql/slowlog.py
+++ b/sql/slowlog.py
@@ -28,8 +28,8 @@ def slowquery_review(request):
     start_time = request.POST.get("StartTime")
     end_time = request.POST.get("EndTime")
     db_name = request.POST.get("db_name")
-    limit = request.POST.get("limit")
-    offset = request.POST.get("offset")
+    limit = int(request.POST.get("limit"))
+    offset = int(request.POST.get("offset"))
     # 服务端权限校验
     try:
         user_instances(request.user, db_type=["mysql"]).get(instance_name=instance_name)
@@ -118,8 +118,8 @@ def slowquery_review_history(request):
     end_time = request.POST.get("EndTime")
     db_name = request.POST.get("db_name")
     sql_id = request.POST.get("SQLId")
-    limit = request.POST.get("limit")
-    offset = request.POST.get("offset")
+    limit = int(request.POST.get("limit"))
+    offset = int(request.POST.get("offset"))
     # 服务端权限校验
     try:
         user_instances(request.user, db_type=["mysql"]).get(instance_name=instance_name)