diff --git a/src/views/index/uploadInvoice.vue b/src/views/index/uploadInvoice.vue
index e251d824..2c6558d4 100644
--- a/src/views/index/uploadInvoice.vue
+++ b/src/views/index/uploadInvoice.vue
@@ -368,12 +368,17 @@
             difference++;
           }
         }
+
+        //如果前面部分都对得上，但是长度不同，则差异是长度
+        if(difference == 0 && str1.length != str2.length){
+          difference = Math.abs(str1.length - str2.length)
+        }
         // 同样遍历字符串2，处理字符串1中不存在的字符
-        for (let i = 0; i < str2.length; i++) {
+        /*for (let i = 0; i < str2.length; i++) {
           if (str1.indexOf(str2[i]) === -1) {
             difference++;
           }
-        }
+        }*/
         return difference;
       },
       legalRate(rateList) {     // 合法的 税率