diff --git a/src/common/lang/en-us.js b/src/common/lang/en-us.js
index 0b7f1f6..19773d0 100644
--- a/src/common/lang/en-us.js
+++ b/src/common/lang/en-us.js
@@ -247,6 +247,7 @@ module.exports = {
   goHandle: 'To Deal With',
   disableInput: 'Inhibit Input',
   fileUploadError: 'File Upload Error',
+  importMaxMsg: 'The maximum size for importing files is {size}MB',
   // 标准字段
   standardField: {
     standardEnglishName: 'Regulation English Name',
diff --git a/src/common/lang/zh-cn.js b/src/common/lang/zh-cn.js
index 8bb8f3f..579c39d 100644
--- a/src/common/lang/zh-cn.js
+++ b/src/common/lang/zh-cn.js
@@ -247,6 +247,7 @@ module.exports = {
   goHandle: '去处理',
   disableInput: '禁止输入',
   fileUploadError: '文件上传错误',
+  importMaxMsg: '导入文件最大{size}MB',
   // 标准字段
   standardField: {
     standardEnglishName: '标准英文名称',
diff --git a/src/mixins/ConfigurableTableMixin.js b/src/mixins/ConfigurableTableMixin.js
index 01f3774..a302956 100644
--- a/src/mixins/ConfigurableTableMixin.js
+++ b/src/mixins/ConfigurableTableMixin.js
@@ -267,6 +267,12 @@ export const ConfigurableTableMixin = {
     },
     /* 导入 */
     handleImportExcel (info) {
+      // 限制导入大于 importMaxSize, 各个模块可以单独设置大小
+      if (this.importMaxSize && info.file.size > 1024 * 1024 * this.importMaxSize) {
+        this.$message.error(this.$t('importMaxMsg', { size: this.importMaxSize }))
+        info.fileList.pop()
+        return
+      }
       // 限制导入大于500MB
       if (info.file.size > 1024 * 1024 * 500) {
         this.$message.error('导入文件最大500MB！')
diff --git a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
index 6ac169e..e113d87 100644
--- a/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
+++ b/src/views/documentTool/documentSplit/DocumentSplitDetail.vue
@@ -235,6 +235,8 @@ export default {
   mixins: [ConfigurableTableMixin],
   data () {
     return {
+      // 导入的最大大小
+      importMaxSize: 20,
       StandardSource,
       data: [],
       loading: false, // 提交的加载