diff --git a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
index 4ea632a0..ee8e0d22 100644
--- a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
+++ b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
@@ -1211,6 +1211,20 @@
           "isAttr": true
         }
       ]
+    },
+    {
+      "name": "AssignStartUserHandlerType",
+      "superClass": ["Element"],
+      "meta": {
+        "allowedIn": ["bpmn:StartEvent", "bpmn:UserTask"]
+      },
+      "properties": [
+      {
+        "name": "value",
+        "type": "Integer",
+        "isBody": true
+      }
+      ]
     }
   ],
   "emumerations": []
diff --git a/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue b/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
index 86a1cf74..5cd76383 100644
--- a/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
+++ b/src/components/bpmnProcessDesigner/package/penal/PropertiesPanel.vue
@@ -54,6 +54,10 @@
         <template #title><Icon icon="ep:promotion" />其他</template>
         <element-other-config :id="elementId" />
       </el-collapse-item>
+      <el-collapse-item name="customConfig" v-if="elementType.indexOf('Task') !== -1" key="customConfig">
+        <template #title><Icon icon="ep:circle-plus-filled" />自定义配置</template>
+        <element-custom-config :id="elementId" :type="elementType" />
+      </el-collapse-item>
     </el-collapse>
   </div>
 </template>
diff --git a/src/components/bpmnProcessDesigner/package/penal/custom-config/ElementCustomConfig.vue b/src/components/bpmnProcessDesigner/package/penal/custom-config/ElementCustomConfig.vue
new file mode 100644
index 00000000..4b6cb527
--- /dev/null
+++ b/src/components/bpmnProcessDesigner/package/penal/custom-config/ElementCustomConfig.vue
@@ -0,0 +1,81 @@
+<template>
+  <div class="panel-tab__content">
+    <el-divider content-position="left">审批人与提交人为同一人时</el-divider>
+    <el-radio-group v-model="assignStartUserHandlerType" @change="updateAssignStartUserHandlerType">
+      <div class="flex-col">
+        <div v-for="(item, index) in ASSIGN_START_USER_HANDLER_TYPES" :key="index">
+          <el-radio :key="item.value" :value="item.value" :label="item.label" />
+        </div>
+      </div>
+    </el-radio-group>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { ASSIGN_START_USER_HANDLER_TYPES } from '../../../../SimpleProcessDesignerV2/src/consts'
+
+defineOptions({ name: 'ElementCustomConfig' })
+const props = defineProps({
+  id: String,
+  type: String
+})
+const prefix = inject('prefix')
+
+const elExtensionElements = ref()
+const assignStartUserHandlerTypeEl = ref()
+const assignStartUserHandlerType = ref()
+const otherExtensions = ref()
+const bpmnElement = ref()
+const bpmnInstances = () => (window as any)?.bpmnInstances
+
+const resetAttributesList = () => {
+  bpmnElement.value = bpmnInstances().bpmnElement
+
+  // 获取元素扩展属性 或者 创建扩展属性
+  elExtensionElements.value =
+    bpmnElement.value.businessObject?.extensionElements ??
+    bpmnInstances().moddle.create('bpmn:ExtensionElements', { values: [] })
+
+  assignStartUserHandlerTypeEl.value =
+    elExtensionElements.value.values?.filter(
+      (ex) => ex.$type === `${prefix}:AssignStartUserHandlerType`
+    )?.[0] || bpmnInstances().moddle.create(`${prefix}:AssignStartUserHandlerType`, { value: 1 })
+  assignStartUserHandlerType.value = assignStartUserHandlerTypeEl.value.value
+
+  // 保留剩余扩展元素，便于后面更新该元素对应属性
+  otherExtensions.value =
+    elExtensionElements.value.values?.filter(
+      (ex) => ex.$type !== `${prefix}:AssignStartUserHandlerType`
+    ) ?? []
+
+  // 更新元素扩展属性，避免后续报错
+  updateElementExtensions()
+}
+
+const updateAssignStartUserHandlerType = () => {
+  assignStartUserHandlerTypeEl.value.value = assignStartUserHandlerType.value
+
+  updateElementExtensions()
+}
+
+const updateElementExtensions = (properties) => {
+  const extensions = bpmnInstances().moddle.create('bpmn:ExtensionElements', {
+    values: otherExtensions.value.concat([assignStartUserHandlerTypeEl.value])
+  })
+  bpmnInstances().modeling.updateProperties(toRaw(bpmnElement.value), {
+    extensionElements: extensions
+  })
+}
+
+watch(
+  () => props.id,
+  (val) => {
+    val &&
+      val.length &&
+      nextTick(() => {
+        resetAttributesList()
+      })
+  },
+  { immediate: true }
+)
+</script>