diff --git a/packages/coupon/index.js b/packages/coupon/index.js
index 00cdb76d4..99bd948fa 100644
--- a/packages/coupon/index.js
+++ b/packages/coupon/index.js
@@ -39,7 +39,7 @@ export default sfc({
     faceAmount() {
       const { coupon } = this;
       if (coupon.valueDesc) {
-        return `${coupon.valueDesc}<span>${coupon.unitDesc}</span>`;
+        return `${coupon.valueDesc}<span>${coupon.unitDesc || ''}</span>`;
       }
       return coupon.denominations
         ? `<span>${this.currency}</span> ${formatAmount(this.coupon.denominations)}`
diff --git a/packages/coupon/index.less b/packages/coupon/index.less
index 817f68206..1c67bfaf5 100644
--- a/packages/coupon/index.less
+++ b/packages/coupon/index.less
@@ -48,7 +48,10 @@
       font-size: 24px;
 
       span {
-        margin-left: 2px;
+        &:not(:empty) {
+          margin-left: 2px;
+        }
+
         font-size: 50%;
       }
     }