diff --git a/backend/src/main/resources/db/migration/V18__add_demo.sql b/backend/src/main/resources/db/migration/V18__add_demo.sql
index 0d64bc53cd..540a1096c2 100644
--- a/backend/src/main/resources/db/migration/V18__add_demo.sql
+++ b/backend/src/main/resources/db/migration/V18__add_demo.sql
@@ -17,38 +17,38 @@ CREATE TABLE `demo_new_trend_of_diagnosis` (
 -- Records of demo_new_trend_of_diagnosis
 -- ----------------------------
 BEGIN;
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-08', 22, 499);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-09', 13, 485);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-10', 33, 505);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-11', 28, 506);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-12', 32, 512);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-13', 35, 523);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-14', 49, 542);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-15', 206, 727);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-16', 236, 935);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-17', 358, 1262);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-18', 258, 1497);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-19', 286, 1759);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-20', 317, 2097);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-21', 325, 2365);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-22', 743, 3098);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-23', 480, 3561);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-24', 612, 4143);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-25', 554, 4675);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-26', 655, 5036);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-27', 677, 5948);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-28', 570, 6480);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-29', 503, 6951);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-30', 381, 7303);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-5-31', 378, 7652);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-1', 362, 7983);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-2', 571, 8535);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-3', 610, 9110);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-4', 497, 9674);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-5', 541, 10049);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-6', 368, 10372);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-7', 233, 10552);
-INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-6-8', 232, 10740);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-08', 22, 499);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-09', 13, 485);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-10', 33, 505);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-11', 28, 506);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-12', 32, 512);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-13', 35, 523);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-14', 49, 542);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-15', 206, 727);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-16', 236, 935);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-17', 358, 1262);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-18', 258, 1497);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-19', 286, 1759);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-20', 317, 2097);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-21', 325, 2365);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-22', 743, 3098);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-23', 480, 3561);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-24', 612, 4143);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-25', 554, 4675);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-26', 655, 5036);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-27', 677, 5948);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-28', 570, 6480);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-29', 503, 6951);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-30', 381, 7303);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-05-31', 378, 7652);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-01', 362, 7983);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-02', 571, 8535);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-03', 610, 9110);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-04', 497, 9674);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-05', 541, 10049);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-06', 368, 10372);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-07', 233, 10552);
+INSERT INTO `demo_new_trend_of_diagnosis` VALUES ('2021-06-08', 232, 10740);
 COMMIT;
 
 SET FOREIGN_KEY_CHECKS = 1;