单价模式首次选不中的bug

src/views/ecw/productPrice/batchEdit.vue

@@ -22,7 +22,7 @@
               </el-radio-group>
             </el-form-item>
             <el-form-item :label="$t('单价模式')" prop="priceType">
-              <dict-selector :type="DICT_TYPE.ECW_PRICE_TYPE" v-model="form.priceType" form-type="radio" />
+              <dict-selector :type="DICT_TYPE.ECW_PRICE_TYPE" v-model="form.priceType" form-type="radio" formatter='number' />
             </el-form-item>
 
             <!--阶梯订单-->
@@ -210,6 +210,7 @@ export default {
         specialList: [],
         priceStepList: [],
         stepPrice: 0,
+        priceType: null
         // advanceStatus: 0,
         // needBook: 0,
         // dayLimit: 10000