diff --git a/src/views/cnf/pay/application/commodity-v2/edit-form.vue b/src/views/cnf/pay/application/commodity-v2/edit-form.vue
index 4fdafbe..a12109e 100644
--- a/src/views/cnf/pay/application/commodity-v2/edit-form.vue
+++ b/src/views/cnf/pay/application/commodity-v2/edit-form.vue
@@ -21,7 +21,7 @@
             <div class="flex-l">{{ regionName }}</div>
           </el-form-item>
           <el-form-item v-if="!isUpdate" label="支持国家" prop="payCountryIds">
-            <el-select v-model="form.payCountryIds" multiple filterable collapse-tags style="width:100%" placeholder="请选择支持国家">
+            <el-select v-model="form.payCountryIds" multiple filterable collapse-tags style="width:100%" placeholder="请选择支持国家" @change="handlePayCountryIdsChange">
               <el-option
                 v-for="item in countryList"
                 :key="getPayCountryId(item)"
@@ -157,7 +157,9 @@ export default {
       associateLoading: false,
       supportAmounts: [],
       computedAmount: '',
-      amountUsd: ''
+      amountUsd: '',
+      lastPayCountryIds: [],
+      syncingPayCountryIds: false
     }
   },
   computed: {
@@ -212,6 +214,7 @@ export default {
         if (!this.form.payCountryIds || this.form.payCountryIds.length === 0) {
           this.$set(this.form, 'payCountryIds', this.form.payCountryId ? [this.form.payCountryId] : [])
         }
+        this.syncPayCountryIdsBySameName(this.form.payCountryIds || [])
         if (!this.form.awardContent && this.form.awardContent !== 0) {
           this.$set(this.form, 'awardContent', '0')
         }
@@ -256,6 +259,82 @@ export default {
       const country = this.getCountryBase(item)
       return country.nationalFlag || country.icon || item.nationalFlag || item.countryNationalFlag || item.payCountryNationalFlag || item.icon || ''
     },
+    handlePayCountryIdsChange(value) {
+      if (this.syncingPayCountryIds) {
+        return
+      }
+      const currentIds = this.normalizeCountryIds(value)
+      const lastIds = this.normalizeCountryIds(this.lastPayCountryIds)
+      const addedIds = currentIds.filter(id => !lastIds.includes(id))
+      const removedIds = lastIds.filter(id => !currentIds.includes(id))
+      let nextIds = currentIds.slice()
+      addedIds.forEach(id => {
+        nextIds = this.mergeCountryIds(nextIds, this.sameNameCountryIds(id))
+      })
+      removedIds.forEach(id => {
+        const removeIds = this.sameNameCountryIds(id)
+        nextIds = nextIds.filter(nextId => !removeIds.includes(String(nextId)))
+      })
+      this.syncPayCountryIdsBySameName(nextIds)
+    },
+    syncPayCountryIdsBySameName(value) {
+      const normalizedIds = this.normalizeCountryIds(value)
+      const expandedIds = normalizedIds.reduce((result, id) => {
+        return this.mergeCountryIds(result, this.sameNameCountryIds(id))
+      }, normalizedIds.slice())
+      const nextValues = this.countryIdValues(expandedIds)
+      this.lastPayCountryIds = this.normalizeCountryIds(nextValues)
+      if (this.sameCountryIdList(this.normalizeCountryIds(this.form.payCountryIds), this.lastPayCountryIds)) {
+        return
+      }
+      this.syncingPayCountryIds = true
+      this.$set(this.form, 'payCountryIds', nextValues)
+      this.$nextTick(() => {
+        this.syncingPayCountryIds = false
+      })
+    },
+    normalizeCountryIds(value) {
+      return (Array.isArray(value) ? value : []).map(item => String(item)).filter(Boolean)
+    },
+    mergeCountryIds(sourceIds, appendIds) {
+      const result = this.normalizeCountryIds(sourceIds)
+      appendIds.forEach(id => {
+        id = String(id)
+        if (id && !result.includes(id)) {
+          result.push(id)
+        }
+      })
+      return result
+    },
+    sameNameCountryIds(payCountryId) {
+      const selected = this.countryList.find(item => String(this.getPayCountryId(item)) === String(payCountryId))
+      if (!selected) {
+        return [String(payCountryId)]
+      }
+      const selectedName = this.countryNameKey(selected)
+      if (!selectedName) {
+        return [String(payCountryId)]
+      }
+      return this.countryList
+        .filter(item => this.countryNameKey(item) === selectedName)
+        .map(item => String(this.getPayCountryId(item)))
+        .filter(Boolean)
+    },
+    countryNameKey(item) {
+      return String(this.getCountryName(item) || '').trim().toLowerCase()
+    },
+    countryIdValues(countryIds) {
+      const normalizedIds = this.normalizeCountryIds(countryIds)
+      return normalizedIds.map(id => {
+        const option = this.countryList.find(item => String(this.getPayCountryId(item)) === id)
+        return option ? this.getPayCountryId(option) : id
+      })
+    },
+    sameCountryIdList(left, right) {
+      left = this.normalizeCountryIds(left)
+      right = this.normalizeCountryIds(right)
+      return left.length === right.length && left.every((id, index) => id === right[index])
+    },
     changeAmount(val) {
       if (!val || !validPositiveNumberPointTwo(val)) {
         this.supportAmounts = []
diff --git a/src/views/cnf/pay/application/commodity-v2/index.vue b/src/views/cnf/pay/application/commodity-v2/index.vue
index 3894b2b..a56de70 100644
--- a/src/views/cnf/pay/application/commodity-v2/index.vue
+++ b/src/views/cnf/pay/application/commodity-v2/index.vue
@@ -34,6 +34,7 @@
         style="width: 200px"
         class="filter-item"
         clearable
+        filterable
         @change="changeCountry"
       >
         <el-option
@@ -210,6 +211,7 @@ export default {
       listLoading: false,
       countryList: [],
       allCountryList: [],
+      allCountryListLoadingPromise: null,
       loadingCountry: false,
       loading: false
     }
@@ -274,37 +276,46 @@ export default {
     loadOpenCountry(regionId) {
       const that = this
       that.loadingCountry = true
-      const request = regionId ? listPayOpenCountryByRegionId(regionId) : that.loadAllOpenCountry()
+      const request = regionId ? that.loadRegionCountryList(regionId) : that.loadAllCountryList(true)
       request.then(res => {
-        const countryList = that.normalizeList(res.body)
+        const countryList = that.normalizeList(res)
         if (countryList.length > 0 || !regionId) {
           that.loadingCountry = false
           that.applyCountryList(countryList)
           return
         }
-        that.loadAllOpenCountry().then(fallbackRes => {
+        that.loadAllCountryList(true).then(fallbackList => {
           that.loadingCountry = false
-          that.applyCountryList(that.normalizeList(fallbackRes.body))
+          that.applyCountryList(that.normalizeList(fallbackList))
         }).catch(er => {
           that.loadingCountry = false
           console.error(er)
         })
       }).catch(er => {
         console.error(er)
-        that.loadAllOpenCountry().then(fallbackRes => {
+        that.loadAllCountryList(true).then(fallbackList => {
           that.loadingCountry = false
-          that.applyCountryList(that.normalizeList(fallbackRes.body))
+          that.applyCountryList(that.normalizeList(fallbackList))
         }).catch(fallbackErr => {
           that.loadingCountry = false
           console.error(fallbackErr)
         })
       })
     },
-    loadAllOpenCountry(cursor = 1, limit = 500) {
+    loadRegionCountryList(regionId) {
+      return listPayOpenCountryByRegionId(regionId).then(res => this.normalizeList(res.body))
+    },
+    loadAllOpenCountry(cursor = 1, limit = 200) {
       return pagePayOpenCounty({ cursor, limit })
     },
-    loadAllCountryList() {
-      const limit = 500
+    loadAllCountryList(force = false) {
+      if (!force && this.allCountryList.length > 0) {
+        return Promise.resolve(this.allCountryList)
+      }
+      if (!force && this.allCountryListLoadingPromise) {
+        return this.allCountryListLoadingPromise
+      }
+      const limit = 200
       const loadPage = (cursor, countryList) => {
         return this.loadAllOpenCountry(cursor, limit).then(res => {
           const body = res.body || {}
@@ -317,7 +328,10 @@ export default {
           return this.allCountryList
         })
       }
-      return loadPage(1, [])
+      this.allCountryListLoadingPromise = loadPage(1, []).finally(() => {
+        this.allCountryListLoadingPromise = null
+      })
+      return this.allCountryListLoadingPromise
     },
     applyCountryList(countryList) {
       this.countryList = countryList
@@ -458,7 +472,7 @@ export default {
       if (!payCountryId) {
         return null
       }
-      return this.countryList.find(item => String(this.getPayCountryId(item)) === String(payCountryId))
+      return this.countryList.concat(this.allCountryList).find(item => String(this.getPayCountryId(item)) === String(payCountryId))
     },
     getCommodityCountrySource(row) {
       const payCountryId = row && row.payCountryId ? row.payCountryId : this.listQuery.payCountryId