diff --git a/packages/cron-input/src/components/internal/cron-model.vue b/packages/cron-input/src/components/internal/cron-model.vue
index 9cbc1bf..0e1dbcc 100644
--- a/packages/cron-input/src/components/internal/cron-model.vue
+++ b/packages/cron-input/src/components/internal/cron-model.vue
@@ -49,7 +49,7 @@ const fields = computed(() => {
 // });
 
 const previewLabel = computed(() => {
-  return Locales[props.lang].preview.join(previewTime.value.toString());
+  return Locales[props.lang].preview.join(previewTime.value?.toString());
 });
 
 const expression = computed(() => {
diff --git a/packages/cron-input/src/components/internal/input-number.vue b/packages/cron-input/src/components/internal/input-number.vue
index a0e3de8..2d9d5f9 100644
--- a/packages/cron-input/src/components/internal/input-number.vue
+++ b/packages/cron-input/src/components/internal/input-number.vue
@@ -31,7 +31,7 @@ const value = computed({
 });
 
 const formatter = (val: number) => {
-  return props.fieldValue === WEEK ? formatterWeek(val.toString(), props.locale!) : null;
+  return props.fieldValue === WEEK ? formatterWeek(val?.toString(), props.locale!) : null;
 };
 
 const parser = (val: string) => {
diff --git a/packages/cron-input/src/shared/utils.ts b/packages/cron-input/src/shared/utils.ts
index 9a5a64b..120bca5 100644
--- a/packages/cron-input/src/shared/utils.ts
+++ b/packages/cron-input/src/shared/utils.ts
@@ -19,7 +19,7 @@ export function generateSpecifies(
   let index = 0;
 
   for (let specify = min; specify <= max; specify += 1) {
-    specifies.push({ value: specify, label: labels ? labels[index] : specify.toString() });
+    specifies.push({ value: specify, label: labels ? labels[index] : specify?.toString() });
     index += 1;
   }
 
diff --git a/packages/utils/src/crypto.ts b/packages/utils/src/crypto.ts
index dc173c8..be6d9be 100644
--- a/packages/utils/src/crypto.ts
+++ b/packages/utils/src/crypto.ts
@@ -11,7 +11,7 @@ export class Crypto<T extends object> {
   encrypt(data: T): string {
     const dataString = JSON.stringify(data);
     const encrypted = CryptoJS.AES.encrypt(dataString, this.secret);
-    return encrypted.toString();
+    return encrypted?.toString();
   }
 
   decrypt(encrypted: string) {
diff --git a/packages/work-flow/src/components/log-drawer.vue b/packages/work-flow/src/components/log-drawer.vue
index 56b8ed4..386526a 100644
--- a/packages/work-flow/src/components/log-drawer.vue
+++ b/packages/work-flow/src/components/log-drawer.vue
@@ -113,14 +113,14 @@ onBeforeUnmount(() => {
 });
 
 function timestampToDate(timestamp: string): string {
-  const date = new Date(Number.parseInt(timestamp.toString(), 10));
+  const date = new Date(Number.parseInt(timestamp?.toString(), 10));
   const year = date.getFullYear();
   const month =
-    (date.getMonth() + 1).toString().length === 1 ? `0${date.getMonth() + 1}` : (date.getMonth() + 1).toString();
-  const day = date.getDate().toString().length === 1 ? `0${date.getDate()}` : date.getDate().toString();
-  const hours = date.getHours().toString().length === 1 ? `0${date.getHours()}` : date.getHours().toString();
-  const minutes = date.getMinutes().toString().length === 1 ? `0${date.getMinutes()}` : date.getMinutes().toString();
-  const seconds = date.getSeconds().toString().length === 1 ? `0${date.getSeconds()}` : date.getSeconds().toString();
+    (date.getMonth() + 1)?.toString().length === 1 ? `0${date.getMonth() + 1}` : (date.getMonth() + 1)?.toString();
+  const day = date.getDate()?.toString().length === 1 ? `0${date.getDate()}` : date.getDate()?.toString();
+  const hours = date.getHours()?.toString().length === 1 ? `0${date.getHours()}` : date.getHours()?.toString();
+  const minutes = date.getMinutes()?.toString().length === 1 ? `0${date.getMinutes()}` : date.getMinutes()?.toString();
+  const seconds = date.getSeconds()?.toString().length === 1 ? `0${date.getSeconds()}` : date.getSeconds()?.toString();
   return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}.${date.getMilliseconds()}`;
 }
 </script>
diff --git a/packages/work-flow/src/node/branch-node.vue b/packages/work-flow/src/node/branch-node.vue
index d809951..49a895e 100644
--- a/packages/work-flow/src/node/branch-node.vue
+++ b/packages/work-flow/src/node/branch-node.vue
@@ -148,7 +148,7 @@ const showDetail = (item: Flow.ConditionNodeType, index: number) => {
         if (job.id) {
           detailIds.value?.push(job.id);
         } else if (job.jobId) {
-          detailId.value = job.jobId.toString();
+          detailId.value = job.jobId?.toString();
         }
       });
       if (detailIds.value.length === 0) {
diff --git a/packages/work-flow/src/node/callback-node.vue b/packages/work-flow/src/node/callback-node.vue
index 88b5533..77550ea 100644
--- a/packages/work-flow/src/node/callback-node.vue
+++ b/packages/work-flow/src/node/callback-node.vue
@@ -92,7 +92,7 @@ const showDetail = (item: Flow.ConditionNodeType, index: number) => {
       if (job.id) {
         detailIds.value?.push(job.id);
       } else if (job.jobId) {
-        detailId.value = job.jobId.toString();
+        detailId.value = job.jobId?.toString();
       }
     });
     if (detailIds.value.length === 0) {
diff --git a/packages/work-flow/src/node/task-node.vue b/packages/work-flow/src/node/task-node.vue
index e94199b..c9d909a 100644
--- a/packages/work-flow/src/node/task-node.vue
+++ b/packages/work-flow/src/node/task-node.vue
@@ -141,11 +141,11 @@ const showDetail = (node: Flow.ConditionNodeType, detailIndex: number) => {
         if (item.id) {
           detailIds.value?.push(item.id);
         } else if (item.jobId) {
-          detailId.value = item.jobId.toString();
+          detailId.value = item.jobId?.toString();
         }
       });
     if (node.jobTask?.jobId) {
-      detailId.value = node.jobTask?.jobId.toString();
+      detailId.value = node.jobTask?.jobId?.toString();
     }
     cardDrawer.value = true;
   } else if (store.type === 1) {
diff --git a/packages/work-flow/src/utils/request.ts b/packages/work-flow/src/utils/request.ts
index e8e191f..43f1452 100644
--- a/packages/work-flow/src/utils/request.ts
+++ b/packages/work-flow/src/utils/request.ts
@@ -27,7 +27,7 @@ export const request = createFlatRequest<Service.Response>(
     isBackendSuccess(response) {
       // when the backend response code is "0000"(default), it means the request is success
       // to change this logic by yourself, you can modify the `VITE_SERVICE_SUCCESS_CODE` in `.env` file
-      return response.data.status.toString() === import.meta.env.VITE_SERVICE_SUCCESS_CODE;
+      return response.data.status?.toString() === import.meta.env.VITE_SERVICE_SUCCESS_CODE;
     },
     transformBackendResponse(response) {
       return response.data.total ? response.data : response.data.data;
@@ -41,7 +41,7 @@ export const request = createFlatRequest<Service.Response>(
       // get backend error message and code
       if (error.code === BACKEND_ERROR_CODE) {
         msg = error.response?.data?.message || msg;
-        backendErrorCode = error.response?.data?.status.toString() || '';
+        backendErrorCode = error.response?.data?.status?.toString() || '';
       }
 
       // the error message is displayed in the modal
diff --git a/src/components/common/log-drawer.vue b/src/components/common/log-drawer.vue
index 211386f..f8a350b 100644
--- a/src/components/common/log-drawer.vue
+++ b/src/components/common/log-drawer.vue
@@ -68,14 +68,14 @@ const onUpdateShow = (value: boolean) => {
 };
 
 function timestampToDate(timestamp: string): string {
-  const date = new Date(Number.parseInt(timestamp.toString(), 10));
+  const date = new Date(Number.parseInt(timestamp?.toString(), 10));
   const year = date.getFullYear();
   const month =
-    (date.getMonth() + 1).toString().length === 1 ? `0${date.getMonth() + 1}` : (date.getMonth() + 1).toString();
-  const day = date.getDate().toString().length === 1 ? `0${date.getDate()}` : date.getDate().toString();
-  const hours = date.getHours().toString().length === 1 ? `0${date.getHours()}` : date.getHours().toString();
-  const minutes = date.getMinutes().toString().length === 1 ? `0${date.getMinutes()}` : date.getMinutes().toString();
-  const seconds = date.getSeconds().toString().length === 1 ? `0${date.getSeconds()}` : date.getSeconds().toString();
+    (date.getMonth() + 1)?.toString().length === 1 ? `0${date.getMonth() + 1}` : (date.getMonth() + 1)?.toString();
+  const day = date.getDate()?.toString().length === 1 ? `0${date.getDate()}` : date.getDate()?.toString();
+  const hours = date.getHours()?.toString().length === 1 ? `0${date.getHours()}` : date.getHours()?.toString();
+  const minutes = date.getMinutes()?.toString().length === 1 ? `0${date.getMinutes()}` : date.getMinutes()?.toString();
+  const seconds = date.getSeconds()?.toString().length === 1 ? `0${date.getSeconds()}` : date.getSeconds()?.toString();
   return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}.${date.getMilliseconds()}`;
 }
 </script>
diff --git a/src/service/request/index.ts b/src/service/request/index.ts
index 35a45dd..fa2b51c 100644
--- a/src/service/request/index.ts
+++ b/src/service/request/index.ts
@@ -52,14 +52,14 @@ export const request = createFlatRequest<App.Service.Response, RequestInstanceSt
 
       // when the backend response code is in `logoutCodes`, it means the user will be logged out and redirected to login page
       const logoutCodes = import.meta.env.VITE_SERVICE_LOGOUT_CODES?.split(',') || [];
-      if (logoutCodes.includes(response.data.status.toString())) {
+      if (logoutCodes.includes(response.data.status?.toString())) {
         handleLogout();
         return null;
       }
 
       // when the backend response code is in `modalLogoutCodes`, it means the user will be logged out by displaying a modal
       const modalLogoutCodes = import.meta.env.VITE_SERVICE_MODAL_LOGOUT_CODES?.split(',') || [];
-      if (modalLogoutCodes.includes(response.data.status.toString())) {
+      if (modalLogoutCodes.includes(response.data.status?.toString())) {
         request.state.errMsgStack = [...(request.state.errMsgStack || []), response.data.message];
 
         // prevent the user from refreshing the page
@@ -116,7 +116,7 @@ export const request = createFlatRequest<App.Service.Response, RequestInstanceSt
 
       // get backend error message and code
       message = error.response?.data?.message || message;
-      backendErrorCode = error.response?.data?.status.toString() || '';
+      backendErrorCode = error.response?.data?.status?.toString() || '';
 
       // the error message is displayed in the modal
       const modalLogoutCodes = import.meta.env.VITE_SERVICE_MODAL_LOGOUT_CODES?.split(',') || [];
diff --git a/src/store/modules/auth/index.ts b/src/store/modules/auth/index.ts
index 3c35c0a..7863c8c 100644
--- a/src/store/modules/auth/index.ts
+++ b/src/store/modules/auth/index.ts
@@ -37,7 +37,7 @@ export const useAuthStore = defineStore(SetupStoreId.Auth, () => {
   const isStaticSuper = computed(() => {
     const { VITE_AUTH_ROUTE_MODE, VITE_STATIC_SUPER_ROLE } = import.meta.env;
     return (
-      VITE_AUTH_ROUTE_MODE === 'static' && userInfo.roles.map(role => role.toString()).includes(VITE_STATIC_SUPER_ROLE)
+      VITE_AUTH_ROUTE_MODE === 'static' && userInfo.roles.map(role => role?.toString()).includes(VITE_STATIC_SUPER_ROLE)
     );
   });