fix:收款管理计算出现问题

src/views/business/financial/collection/form.vue

@@ -545,7 +545,7 @@
     if (num.indexOf(".") == -1) {
       num = num + ".00"; //3,000.00
     } else if (num.charAt(num.indexOf(".") == num.length - 2)) {
-      num = num + "0";
+      num = num;
     }
     return num;
   }