diff --git a/src/components/admin/operation/mission/MissionDetail.vue b/src/components/admin/operation/mission/MissionDetail.vue
index 26dcb8b..b90831c 100644
--- a/src/components/admin/operation/mission/MissionDetail.vue
+++ b/src/components/admin/operation/mission/MissionDetail.vue
@@ -128,18 +128,20 @@ export default defineComponent({
     },
     start: {
       get() {
-        return this.document.getMap("form").get("start") as string;
+        return (this.document.getMap("form").get("start") as string)?.slice(0, 16);
       },
       set(val: string) {
-        this.document.getMap("form").set("start", val);
+        let tmp = new Date(val + ":00.000Z").toISOString();
+        this.document.getMap("form").set("start", tmp);
       },
     },
     end: {
       get() {
-        return this.document.getMap("form").get("end") as string;
+        return (this.document.getMap("form").get("end") as string)?.slice(0, 16);
       },
       set(val: string) {
-        this.document.getMap("form").set("end", val);
+        let tmp = new Date(val + ":00.000Z").toISOString();
+        this.document.getMap("form").set("end", tmp);
       },
     },
     duration() {