diff --git a/src/components/DeviceForm.vue b/src/components/DeviceForm.vue
index 99dc0f1d..2b73c219 100644
--- a/src/components/DeviceForm.vue
+++ b/src/components/DeviceForm.vue
@@ -188,7 +188,9 @@ export default {
       }
       // 触发验证规则更新
       nextTick(() => {
-        formRef.value.clearValidate();
+        if (formRef.value) { // 添加null检查
+          formRef.value.clearValidate();
+        }
       });
     };
     
@@ -207,7 +209,9 @@ export default {
       emit('cancel');
       // 重置表单
       Object.assign(formData, initialFormData());
-      formRef.value.resetFields();
+      if (formRef.value) {
+        formRef.value.resetFields();
+      }
     };
     
     const getSubmitData = () => {
@@ -274,7 +278,9 @@ export default {
         // 重置表单以清除旧数据和验证状态
         Object.assign(formData, initialFormData());
         nextTick(() => {
-          formRef.value.clearValidate();
+          if (formRef.value) { // 添加null检查
+            formRef.value.clearValidate();
+          }
         });
 
         formData.id = newVal.id;
@@ -299,7 +305,9 @@ export default {
         // 如果没有传入deviceData，则重置为初始状态
         Object.assign(formData, initialFormData());
         nextTick(() => {
-          formRef.value.clearValidate();
+          if (formRef.value) { // 添加null检查
+            formRef.value.clearValidate();
+          }
         });
       }
     }, { immediate: true });
@@ -311,7 +319,9 @@ export default {
         if (!props.isEdit) {
           Object.assign(formData, initialFormData());
           nextTick(() => {
-            formRef.value.clearValidate();
+            if (formRef.value) { // 添加null检查
+              formRef.value.clearValidate();
+            }
           });
         }
       }