update: 优化逻辑

src/views/card/form.js

@@ -390,6 +390,13 @@ export default {
     }
   },
   methods: {
+    onChangeNumber(val) {
+      if (!val) {
+        this.$nextTick(() => {
+          this.form.cardCodeCount = 0;
+        });
+      }
+    },
     changeOnly(val) {
       this.form.useDescript = val ? '不可与其他卡券叠加使用，详询门店' : '可与部分卡券叠加使用，详询门店';
     },

src/views/card/form.vue

@@ -236,7 +236,7 @@
       </el-form-item>
 
       <el-form-item prop="cardCodeCount" :label="form.useCustomCode ? '默认数量' : '新建数量'">
-        <div v-show="!form.useCustomCode"><el-input-number controls-position="right" :min="0" :max="10000000" :disabled="isEdit || isInfo" class="w200" v-model="form.cardCodeCount" @blur="val => !val && (form.cardCodeCount = 0)"></el-input-number> 张 <span class="fz13 gray">优惠券创建数量默认为100,000张</span></div>
+        <div v-show="!form.useCustomCode"><el-input-number controls-position="right" :min="0" :max="10000000" :disabled="isEdit || isInfo" class="w200" v-model="form.cardCodeCount" @change="onChangeNumber"></el-input-number> 张 <span class="fz13 gray">优惠券创建数量默认为100,000张</span></div>
         <div v-show="form.useCustomCode"><el-input-number controls-position="right" :min="0" :max="100000" disabled class="w200" :value="form.customCodeEnd - form.customCodeBegin + 1"></el-input-number> 张 <span class="fz13 gray">优惠券创建数量默认为100,000张</span></div>
       </el-form-item>