diff --git a/customer/user/wallet.go b/customer/user/wallet.go
index 1e66787..6336a7c 100644
--- a/customer/user/wallet.go
+++ b/customer/user/wallet.go
@@ -91,3 +91,13 @@ func (w *wallet) Fail(ctx context.Context, args ArgsWalletFail) error {
 	}
 	return xClient.Call(ctx, "Fail", args, &reply)
 }
+
+// Amount @Title 钱包余额
+func (w *wallet) Amount(ctx context.Context, userId int64) (amount decimal.Decimal, err error) {
+	xClient, err := client.GetClient(w)
+	if err != nil {
+		return
+	}
+	err = xClient.Call(ctx, "Amount", userId, &amount)
+	return
+}