diff --git a/src/components/selection/StandardSelectionModal.vue b/src/components/selection/StandardSelectionModal.vue
index eb30525..a9d299a 100644
--- a/src/components/selection/StandardSelectionModal.vue
+++ b/src/components/selection/StandardSelectionModal.vue
@@ -12,7 +12,7 @@
       <div class="table-page-search-wrapper">
         <a-form layout="inline" @keyup.enter.native="searchQuery">
           <a-row :gutter="24">
-            <a-col :sm="6">
+            <a-col :sm="6" v-show="!splitSearch">
               <a-form-item :label="$t('standardSelect.source')" :labelCol="labelCol" :wrapperCol="wrapperCol">
                 <j-dict-select-tag style="width: 100%" v-model="queryParam.source"
                                    :disabled="disabledSourceSearch"
@@ -22,6 +22,24 @@
                                    @change="handleTypeChange" />
               </a-form-item>
             </a-col>
+            <!--标准结构树-->
+            <a-col :md="8" :sm="12" v-if="splitSearch">
+              <a-form-item :label="$t('docTool.comparison.standardStructureTree')">
+                <a-tree-select
+                  tree-node-filter-prop="title"
+                  v-model="queryParam.standardSystem"
+                  :maxTagCount="1"
+                  :getPopupContainer="triggerNode=> triggerNode.parentNode"
+                  :tree-data="standardStructureTree"
+                  tree-checkable
+                  show-search
+                  allowClear
+                  tree-check-strictly
+                  :filterTreeNode="filterTreeOption"
+                  :placeholder="$t('pleaseSelect') + $t('docTool.comparison.standardStructureTree')"
+                />
+              </a-form-item>
+            </a-col>
             <a-col :sm="8">
               <a-form-item :label="$t('standardSelect.standardNumOrName')" :labelCol="labelCol" :wrapperCol="wrapperCol">
                 <a-input :placeholder="$t('pleaseEnter')+$t('standardSelect.standardNumOrName')"
@@ -83,6 +101,7 @@
 import { ajaxGetDictItems, getStandardList } from '@/api/api'
 import JDictSelectTag from '../dict/JDictSelectTag'
 import { StandardSource } from '../../enums/commonEnums'
+import { getForeignStandardTree } from '@api/standardRegulationLibraryApi'
 
 export default {
   name: 'StandardSelectionModal',
@@ -127,6 +146,12 @@ export default {
       default: () => {
         return {}
       }
+    },
+    // 是否拆分的搜索(来源换成外部标准结构树)
+    splitSearch: {
+      type: Boolean,
+      required: false,
+      default: false
     }
   },
   data () {
@@ -189,7 +214,15 @@ export default {
         }
       ],
       dataList: [],
-      sourceOptions: []
+      sourceOptions: [],
+      // 标准结构树
+      standardStructureTree: []
+    }
+  },
+  created () {
+    // 拆分的需要加载标准结构树
+    if (this.splitSearch) {
+      this.loadStandardStructureTree()
     }
   },
   methods: {
@@ -210,6 +243,38 @@ export default {
         }
       })
     },
+    // 加载标准结构树
+    loadStandardStructureTree () {
+      // option 不传显示我的收藏，1不显示我的收藏, 2只能选二级中国及中国下三级,和欧盟EU
+      getForeignStandardTree({ option: 2 }).then(res => {
+        if (res.success) {
+          const data = res.result || []
+          this.standardStructureTree = data.map(item => {
+            item.disabled = true
+            return item
+          })
+        }
+      })
+    },
+    // tree-select搜索
+    filterTreeOption (input, option) {
+      const text = option.componentOptions.propsData.title || option.componentOptions.propsData.label
+      return text.toLowerCase().indexOf(input.toLowerCase()) >= 0
+    },
+    // 获取树结构没有被禁用的value值
+    getValuesWhereNotDisabled (tree = []) {
+      const values = []
+      function traverse (node) {
+        if (!node.disabled) { // 只处理 disabled 不为 true 的节点
+          values.push(node.value)
+        }
+        if (node.children && node.children.length > 0) {
+          node.children.forEach(child => traverse(child))
+        }
+      }
+      tree.forEach(node => traverse(node))
+      return values
+    },
     // 获取表格数据
     replacePage (arg) {
       if (arg === 1) {
@@ -222,6 +287,12 @@ export default {
         pageSize: this.ipagination.pageSize,
         excludeStandardNumbers: this.excludeStandardNumbers
       }
+      // 标准结构树
+      if (Array.isArray(query.standardSystem) && query.standardSystem.length) {
+        query.standardSystem = query.standardSystem.map(item => item.value).join(',')
+      } else {
+        query.standardSystem = this.getValuesWhereNotDisabled(this.standardStructureTree).join(',')
+      }
       // 清空在可选范围内进行查询
       if (!query.source && this.canSelectedSource.length < 3) {
         query.source = this.canSelectedSource.join(',')
diff --git a/src/views/documentTool/documentSplit/modules/ImportSplitResultModal.vue b/src/views/documentTool/documentSplit/modules/ImportSplitResultModal.vue
index 78f9cfa..c4ce785 100644
--- a/src/views/documentTool/documentSplit/modules/ImportSplitResultModal.vue
+++ b/src/views/documentTool/documentSplit/modules/ImportSplitResultModal.vue
@@ -17,9 +17,11 @@
         <a-form-item :labelCol="labelCol" :wrapperCol="wrapperCol" :label="$t('standardSelect.standardNumber')">
           <standard-selection :placeholder="$t('pleaseSelect') + $t('standardSelect.standardNumber')"
                               type="radio"
+                              splitSearch
+                              disabledSourceSearch
                               @nameChange="handleStandardNumberChange"
                               :select-only="true"
-                              :can-selected-source="[StandardSource.FOREIGN.value, StandardSource.ENTERPRISE.value]"
+                              :can-selected-source="[StandardSource.FOREIGN.value]"
                               class="readonly-input"
                               v-decorator="['serialNumber', validatorRules.serialNumber]" />
         </a-form-item>
diff --git a/src/views/documentTool/documentSplit/modules/SplitText.vue b/src/views/documentTool/documentSplit/modules/SplitText.vue
index dd3b902..fdb62eb 100644
--- a/src/views/documentTool/documentSplit/modules/SplitText.vue
+++ b/src/views/documentTool/documentSplit/modules/SplitText.vue
@@ -151,6 +151,20 @@ export default {
     this.loadStandardStructureTree()
   },
   methods: {
+    // 获取树结构没有被禁用的value值
+    getValuesWhereNotDisabled (tree = []) {
+      const values = []
+      function traverse (node) {
+        if (!node.disabled) { // 只处理 disabled 不为 true 的节点
+          values.push(node.value)
+        }
+        if (node.children && node.children.length > 0) {
+          node.children.forEach(child => traverse(child))
+        }
+      }
+      tree.forEach(node => traverse(node))
+      return values
+    },
     getQueryParams () {
       // 获取查询条件
       const sqp = {}
@@ -162,18 +176,23 @@ export default {
       param.field = this.getQueryField()
       param.pageNo = this.ipagination.current
       param.pageSize = this.ipagination.pageSize
-      if (Array.isArray(param.standardSystem)) {
+      if (Array.isArray(param.standardSystem) && param.standardSystem.length) {
         param.standardSystem = param.standardSystem.map(item => item.value).join(',')
+      } else {
+        param.standardSystem = this.getValuesWhereNotDisabled(this.standardStructureTree).join(',')
       }
       return filterObj(param)
     },
     // 加载标准结构树
     loadStandardStructureTree () {
-      // option 不传显示我的收藏，1不显示我的收藏
-      getForeignStandardTree({ option: 1 }).then(res => {
+      // option 不传显示我的收藏，1不显示我的收藏, 2只能选二级中国及中国下三级,和欧盟EU
+      getForeignStandardTree({ option: 2 }).then(res => {
         if (res.success) {
-          console.log(res.result)
-          this.standardStructureTree = res.result || []
+          const data = res.result || []
+          this.standardStructureTree = data.map(item => {
+            item.disabled = true
+            return item
+          })
         }
       })
     },