diff --git a/src/views/system/coupon/index.vue b/src/views/system/coupon/index.vue
index 8cc112e..b5e96c0 100644
--- a/src/views/system/coupon/index.vue
+++ b/src/views/system/coupon/index.vue
@@ -281,9 +281,9 @@
         </el-form-item>
         <el-form-item label="优惠券适用门槛" prop="couponConsumePrice">
           <el-input
-          @keyup.native="form.couponConsumePrice =oninput(form.couponConsumePrice) "
+          :change="checkPrice()"
             maxlength="8"
-
+          
             v-model="form.couponConsumePrice"
             placeholder="请输入优惠券适用门槛"
             style="width: 220px"
@@ -536,6 +536,28 @@ export default {
     this.getList();
   },
   methods: {
+
+       /**只能输入数字且有小数点最多保留两位*/
+       checkPrice(){
+      let checkPlan = '' + this.form.couponConsumePrice
+      checkPlan = checkPlan
+        .replace(/[^\d.]/g, '') // 清除“数字”和“.”以外的字符
+        .replace(/\.{2,}/g, '.') // 只保留第一个. 清除多余的
+        .replace(/^\./g, '') // 保证第一个为数字而不是.
+        .replace('.', '$#$')
+        .replace(/\./g, '')
+        .replace('$#$', '.')
+      if (checkPlan.indexOf('.') < 0 && checkPlan !== '') {
+        // 以上已经过滤，此处控制的是如果没有小数点，首位不能为类似于 01、02的金额
+        checkPlan = parseFloat(checkPlan) + ''
+      } else if (checkPlan.indexOf('.') >= 0) {
+        checkPlan = checkPlan
+          .replace(/^()*(\d+)\.(\d\d).*$/, '$1$2.$3') // 只能输入两个小数
+      }
+      this.form.couponConsumePrice = checkPlan
+ 
+    },
+
     oninput(num) {
     let str = num;
     const len1 = str.substr(0, 1);