diff --git a/src/router/index.ts b/src/router/index.ts
index 16f34df..fb1471c 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -7,6 +7,7 @@ import { abilityAndNavUpdate } from "./adminGuard";
 import type { PermissionType, PermissionSection, PermissionModule } from "@/types/permissionTypes";
 import { config } from "../config";
 import { setBackupPage } from "./backupGuard";
+import { checkMissionExists } from "./missionGuard";
 
 const router = createRouter({
   history: createWebHistory(import.meta.env.BASE_URL),
@@ -112,7 +113,7 @@ const router = createRouter({
                   name: "admin-operation-mission-form",
                   component: () => import("@/views/admin/operation/mission/MissionOverview.vue"),
                   meta: { type: "read", section: "operation", module: "mission" },
-                  beforeEnter: [abilityAndNavUpdate],
+                  beforeEnter: [abilityAndNavUpdate, checkMissionExists],
                   props: true,
                 },
               ],
diff --git a/src/router/missionGuard.ts b/src/router/missionGuard.ts
new file mode 100644
index 0000000..208f19d
--- /dev/null
+++ b/src/router/missionGuard.ts
@@ -0,0 +1,14 @@
+import { useMissionStore } from "../stores/admin/operation/mission";
+
+export async function checkMissionExists(to: any, from: any, next: any) {
+  const mission = useMissionStore();
+
+  await mission
+    .fetchMissionById(to.params?.id ?? "")
+    .then(() => {
+      next();
+    })
+    .catch(() => {
+      next({ name: "admin-operation-mission" });
+    });
+}
diff --git a/src/serverCom.ts b/src/serverCom.ts
index 301e7dd..18aa3c6 100644
--- a/src/serverCom.ts
+++ b/src/serverCom.ts
@@ -61,7 +61,9 @@ http.interceptors.response.use(
         .then(() => {
           return http(originalRequest);
         })
-        .catch(() => {});
+        .catch(() => {
+          router.push({ name: "login" });
+        });
     }
 
     const notificationStore = useNotificationStore();
diff --git a/src/stores/admin/operation/mission.ts b/src/stores/admin/operation/mission.ts
index 802a39e..0bd04ac 100644
--- a/src/stores/admin/operation/mission.ts
+++ b/src/stores/admin/operation/mission.ts
@@ -40,6 +40,9 @@ export const useMissionStore = defineStore("mission", {
           this.loading = "failed";
         });
     },
+    fetchMissionById(id: string): Promise<AxiosResponse<any, any>> {
+      return http.get(`/admin/mission/${id}`);
+    },
     prependMission(mission: MissionShortViewModel) {
       this.missions.unshift(mission);
     },