diff --git a/sage_datamart/dashboards.py b/sage_datamart/dashboards.py
index 4309f81..7dcf6a7 100644
--- a/sage_datamart/dashboards.py
+++ b/sage_datamart/dashboards.py
@@ -246,20 +246,26 @@ async def get_top_models(env, sor, limit=5):
 
 async def get_top_providers(env, sor, limit=5):
     """Top N 供应商（按金额，全量）"""
-    sql = """SELECT providerid, COUNT(*) as cnt, COALESCE(SUM(amount_cny), 0) as total_amount
-    FROM dm_model_call_fact WHERE providerid IS NOT NULL
-    GROUP BY providerid ORDER BY total_amount DESC LIMIT ${limit}$"""
+    sql = """SELECT f.providerid, COUNT(*) as cnt, COALESCE(SUM(f.amount_cny), 0) as total_amount,
+             COALESCE(p.name, f.providerid) as provider_name
+    FROM dm_model_call_fact f
+    LEFT JOIN llmprovider p ON p.id = f.providerid
+    WHERE f.providerid IS NOT NULL
+    GROUP BY f.providerid ORDER BY total_amount DESC LIMIT ${limit}$"""
     recs = await sor.sqlExe(sql, {'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]
+    return [{'provider_name': r.provider_name or r.providerid or 'Unknown',
+             'cnt': int(r.cnt), 'total_amount': round(float(r.total_amount), 2)} for r in recs]
 
 
 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 ${limit}$"""
+    sql = """SELECT f.userid, COUNT(*) as cnt, COALESCE(SUM(f.amount_cny), 0) as total_amount,
+             COALESCE(u.username, f.userid) as user_name
+    FROM dm_model_call_fact f
+    LEFT JOIN users u ON u.id = f.userid
+    GROUP BY f.userid ORDER BY total_amount DESC LIMIT ${limit}$"""
     recs = await sor.sqlExe(sql, {'limit': limit})
-    return [{'user_name': r.userid, 'cnt': int(r.cnt),
+    return [{'user_name': r.user_name or r.userid, 'cnt': int(r.cnt),
              'total_amount': round(float(r.total_amount), 2)} for r in recs]