diff --git a/server/service/system/sys_export_template.go b/server/service/system/sys_export_template.go
index 0879d06408..c27bf46697 100644
--- a/server/service/system/sys_export_template.go
+++ b/server/service/system/sys_export_template.go
@@ -223,9 +223,14 @@ func (sysExportTemplateService *SysExportTemplateService) ExportExcel(templateID
 		var row []string
 		for _, column := range columns {
 			if len(template.JoinTemplate) > 0 {
-				columnArr := strings.Split(column, ".")
-				if len(columnArr) > 1 {
-					column = strings.Split(column, ".")[1]
+				columnAs := strings.Split(column, " as ")
+				if len(columnAs) > 1 {
+					column = strings.TrimSpace(strings.Split(column, " as ")[1])
+				} else {
+					columnArr := strings.Split(column, ".")
+					if len(columnArr) > 1 {
+						column = strings.Split(column, ".")[1]
+					}
 				}
 			}
 			row = append(row, fmt.Sprintf("%v", table[column]))
diff --git a/web/src/view/systemTools/exportTemplate/exportTemplate.vue b/web/src/view/systemTools/exportTemplate/exportTemplate.vue
index 7ce153b9ee..94d883e957 100644
--- a/web/src/view/systemTools/exportTemplate/exportTemplate.vue
+++ b/web/src/view/systemTools/exportTemplate/exportTemplate.vue
@@ -431,6 +431,7 @@ const templatePlaceholder = `模板信息格式：key标识数据库column列名
   "table_column4":"第四列",
 }
 如果增加了JOINS导出key应该列为 {table_name1.table_column1:"第一列",table_name2.table_column2:"第二列"}
+如果有重复的列名导出格式应为 {table_name1.table_column1 as key:"第一列",table_name2.table_column2 as key2:"第二列"}
 JOINS模式下不支持导入
 `