diff --git a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
index 7fe1fa79..e50d3ce3 100644
--- a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
+++ b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
@@ -1438,6 +1438,20 @@
           "isBody": true
         }
       ]
+    },
+    {
+      "name": "SignEnable",
+      "superClass": ["Element"],
+      "meta": {
+        "allowedIn": ["bpmn:UserTask"]
+      },
+      "properties": [
+        {
+          "name": "value",
+          "type": "Boolean",
+          "isBody": true
+        }
+      ]
     }
   ],
   "emumerations": []
diff --git a/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue b/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
index e53ad994..ff08dd33 100644
--- a/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
+++ b/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="process-panel__container" :style="{ width: `${width}px` }">
+  <div class="process-panel__container" :style="{ width: `${width}px`, maxHeight: '600px' }">
     <el-collapse v-model="activeTab" v-if="isReady">
       <el-collapse-item name="base">
         <!-- class="panel-tab__title" -->
diff --git a/src/components/bpmnProcessDesigner/package/penal/custom-config/components/UserTaskCustomConfig.vue b/src/components/bpmnProcessDesigner/package/penal/custom-config/components/UserTaskCustomConfig.vue
index ba385145..206c3889 100644
--- a/src/components/bpmnProcessDesigner/package/penal/custom-config/components/UserTaskCustomConfig.vue
+++ b/src/components/bpmnProcessDesigner/package/penal/custom-config/components/UserTaskCustomConfig.vue
@@ -5,6 +5,7 @@
      4. 操作按钮
      5. 字段权限
      6. 审批类型
+     7. 是否需要签名
 -->
 <template>
   <div>
@@ -161,6 +162,11 @@
         </el-radio-group>
       </div>
     </div>
+
+    <el-divider content-position="left">是否需要签名</el-divider>
+    <el-form-item prop="signEnable">
+      <el-switch v-model="signEnable.value" active-text="是" inactive-text="否" />
+    </el-form-item>
   </div>
 </template>
 
@@ -218,6 +224,9 @@ const { formType, fieldsPermissionConfig, getNodeConfigFormFields } = useFormFie
 // 审批类型
 const approveType = ref({ value: ApproveType.USER })
 
+// 是否需要签名
+const signEnable = ref({ value: false })
+
 const elExtensionElements = ref()
 const otherExtensions = ref()
 const bpmnElement = ref()
@@ -325,6 +334,11 @@ const resetCustomConfigList = () => {
         ex.$type !== `${prefix}:ApproveType`
     ) ?? []
 
+  // 是否需要签名
+  signEnable.value =
+    elExtensionElements.value.values?.filter((ex) => ex.$type === `${prefix}:SignEnable`)?.[0] ||
+    bpmnInstances().moddle.create(`${prefix}:SignEnable`, { value: false })
+
   // 更新元素扩展属性，避免后续报错
   updateElementExtensions()
 }
@@ -373,7 +387,8 @@ const updateElementExtensions = () => {
       assignEmptyUserIdsEl.value,
       approveType.value,
       ...buttonsSettingEl.value,
-      ...fieldsPermissionEl.value
+      ...fieldsPermissionEl.value,
+      signEnable.value
     ]
   })
   bpmnInstances().modeling.updateProperties(toRaw(bpmnElement.value), {