diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/resources/db/migration/V0.0.21__grid_member_statistics.sql b/epmet-module/data-statistical/data-statistical-server/src/main/resources/db/migration/V0.0.21__grid_member_statistics.sql
index 640761cddd..c8c90b5370 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/resources/db/migration/V0.0.21__grid_member_statistics.sql
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/resources/db/migration/V0.0.21__grid_member_statistics.sql
@@ -1,3 +1,4 @@
+#网格员数据分析需求 脚本 2021-07-06
 CREATE TABLE `fact_grid_member_statistics_daily`
 (
     `ID`                     varchar(64)  NOT NULL COMMENT '主键(t-1)',
@@ -32,7 +33,9 @@ CREATE TABLE `fact_grid_member_statistics_daily`
     PRIMARY KEY (`ID`) USING BTREE
 ) ENGINE = InnoDB
   DEFAULT CHARSET = utf8mb4 COMMENT ='网格员数据统计_日统计';
-
+#添加唯一索引
+ALTER TABLE `epmet_data_statistical`.`fact_grid_member_statistics_daily`
+    ADD UNIQUE INDEX `unx_staff`(`DATE_ID`, `STAFF_ID`, `GRID_ID`) USING BTREE;
 
 ALTER TABLE `epmet_data_statistical`.`fact_origin_project_main_daily`
-    ADD COLUMN `PROJECT_CREATOR` varchar(32) NULL COMMENT '项目创建人（议题转项目或立项人）' AFTER `IS_SATISFIED`;
\ No newline at end of file
+    ADD COLUMN `PROJECT_CREATOR` varchar(32) NULL COMMENT '项目创建人（议题转项目或立项人）' AFTER `IS_SATISFIED`;