折扣切割显示

@@ -283,7 +283,9 @@ exports.handleOutletsSpecilData = (origin) => {
         limit: (origin.endTime - nowTime) * 1000
     };
 
-    Object.assign(dest.specialHead, discountSplit(origin.promotionName));
+    if (origin.promotionName) {
+        Object.assign(dest.specialHead, discountSplit(origin.promotionName));
+    }
 
     return dest;
 };