diff --git a/lib/partner.js b/lib/partner.js
index 624189b..1e86f60 100644
--- a/lib/partner.js
+++ b/lib/partner.js
@@ -106,7 +106,7 @@ function _hit(task, is_advice) {
             message: result.message,
             sn: result.sn,
             amount: Number(result.amount) || null,
-            balance: Number(qs.ending_balance) || null,
+            balance: Number(result.ending_balance) || null,
             raw: body,
             misc: {
                 task: task