diff --git a/sage_datamart/dashboards.py b/sage_datamart/dashboards.py
index 6b7a521..63d3bd3 100644
--- a/sage_datamart/dashboards.py
+++ b/sage_datamart/dashboards.py
@@ -209,7 +209,7 @@ async def get_top_models(env, sor, limit=5):
     sql = """SELECT model, COUNT(*) as cnt, COALESCE(SUM(amount_cny), 0) as total_amount
     FROM dm_model_call_fact WHERE call_date = ${today}$
     GROUP BY model ORDER BY cnt DESC LIMIT ${limit}$"""
-    recs = await sor.sqlExe(sql, {'today': env.curDateString(), 'limit': str(limit)})
+    recs = await sor.sqlExe(sql, {'today': env.curDateString(), 'limit': limit})
     return [{'model_name': r.model or 'Unknown', 'cnt': int(r.cnt),
              'total_amount': round(float(r.total_amount), 2)} for r in recs]
 
@@ -219,7 +219,7 @@ async def get_top_providers(env, sor, limit=5):
     sql = """SELECT providerid, COUNT(*) as cnt, COALESCE(SUM(amount_cny), 0) as total_amount
     FROM dm_model_call_fact WHERE call_date = ${today}$ AND providerid IS NOT NULL
     GROUP BY providerid ORDER BY total_amount DESC LIMIT ${limit}$"""
-    recs = await sor.sqlExe(sql, {'today': env.curDateString(), 'limit': str(limit)})
+    recs = await sor.sqlExe(sql, {'today': env.curDateString(), 'limit': limit})
     return [{'provider_name': r.providerid or 'Unknown', 'cnt': int(r.cnt),
              'total_amount': round(float(r.total_amount), 2)} for r in recs]
 
@@ -228,7 +228,7 @@ async def get_top_users(env, sor, limit=5):
     """全量 Top N 用户（按金额）"""
     sql = """SELECT userid, COUNT(*) as cnt, COALESCE(SUM(amount_cny), 0) as total_amount
     FROM dm_model_call_fact GROUP BY userid ORDER BY total_amount DESC LIMIT ${limit}$"""
-    recs = await sor.sqlExe(sql, {'limit': str(limit)})
+    recs = await sor.sqlExe(sql, {'limit': limit})
     return [{'user_name': r.userid, 'cnt': int(r.cnt),
              'total_amount': round(float(r.total_amount), 2)} for r in recs]
 
@@ -313,7 +313,7 @@ async def get_distributor_top_customers(sor, distributor_orgid, limit=5):
     sql = """SELECT userorgid, COUNT(*) as cnt, COALESCE(SUM(amount_cny), 0) as total_amount
     FROM dm_model_call_fact WHERE distributor_orgid = ${org}$
     GROUP BY userorgid ORDER BY total_amount DESC LIMIT ${limit}$"""
-    recs = await sor.sqlExe(sql, {'org': distributor_orgid, 'limit': str(limit)})
+    recs = await sor.sqlExe(sql, {'org': distributor_orgid, 'limit': limit})
     return [{'org_id': r.userorgid, 'cnt': int(r.cnt),
              'total_amount': round(float(r.total_amount), 2)} for r in recs]