diff --git a/frontend/src/pages/Workflow/Definition/components/EditModal.tsx b/frontend/src/pages/Workflow/Definition/components/EditModal.tsx
index 710bc12f..793e4466 100644
--- a/frontend/src/pages/Workflow/Definition/components/EditModal.tsx
+++ b/frontend/src/pages/Workflow/Definition/components/EditModal.tsx
@@ -72,9 +72,27 @@ const EditModal: React.FC<EditModalProps> = ({visible, onClose, onSuccess, recor
                 <Form.Item
                     name="key"
                     label="流程标识"
-                    rules={[{required: true, message: '请输入流程标识'}]}
+                    rules={[
+                        { required: true, message: '请输入流程标识' },
+                        {
+                            pattern: /^[a-zA-Z_][a-zA-Z0-9_-]*$/,
+                            message: '流程标识只能包含字母、数字、下划线(_)和连字符(-)，且必须以字母或下划线开头'
+                        },
+                        {
+                            pattern: /^(?!xml)/i,
+                            message: '流程标识不能以xml开头（不区分大小写）'
+                        },
+                        {
+                            pattern: /^[^.\s]*$/,
+                            message: '流程标识不能包含空格和点号'
+                        },
+                        {
+                            max: 64,
+                            message: '流程标识长度不能超过64个字符'
+                        }
+                    ]}
                 >
-                    <Input placeholder="请输入流程标识" disabled={isEdit}/>
+                    <Input placeholder="请输入流程标识，建议使用小写字母和下划线" disabled={isEdit}/>
                 </Form.Item>
                 <Form.Item
                     name="description"