diff --git a/rc-busness/pages/personal/settlement.vue b/rc-busness/pages/personal/settlement.vue
index 970162fb..5bc9a715 100644
--- a/rc-busness/pages/personal/settlement.vue
+++ b/rc-busness/pages/personal/settlement.vue
@@ -281,6 +281,9 @@ export default {
 		if(this.curCoupon.minPrice && this.curCoupon.minPrice > this.sumPrice) {
 			checkResult = false;
 		} 
+		if(this.curCoupon.couponAmount && this.curCoupon.couponAmount > this.sumPrice) {
+			checkResult = false;
+		}
 		if(checkResult) {
 			if(this.curCoupon.couponAmount && this.curCoupon.couponAmount>0) {
 				this.discountAmount = this.curCoupon.couponAmount;