diff --git a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
index c60b524a..31fb7d85 100644
--- a/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
+++ b/src/components/bpmnProcessDesigner/package/designer/plugins/descriptor/flowableDescriptor.json
@@ -1329,6 +1329,34 @@
           "isAttr": true
         }
       ]
+    },
+    {
+      "name": "BoundaryEventType",
+      "superClass": ["Element"],
+      "meta": {
+        "allowedIn": ["bpmn:BoundaryEvent"]
+      },
+      "properties": [
+        {
+          "name": "value",
+          "type": "Integer",
+          "isBody": true
+        }
+      ]
+    },
+    {
+      "name": "TimeoutHandlerType",
+      "superClass": ["Element"],
+      "meta": {
+        "allowedIn": ["bpmn:BoundaryEvent"]
+      },
+      "properties": [
+        {
+          "name": "value",
+          "type": "Integer",
+          "isBody": true
+        }
+      ]
     }
   ],
   "emumerations": []
diff --git a/src/components/bpmnProcessDesigner/package/penal/custom-config/components/BoundaryEventTimer.vue b/src/components/bpmnProcessDesigner/package/penal/custom-config/components/BoundaryEventTimer.vue
index 81ba670c..ca46b277 100644
--- a/src/components/bpmnProcessDesigner/package/penal/custom-config/components/BoundaryEventTimer.vue
+++ b/src/components/bpmnProcessDesigner/package/penal/custom-config/components/BoundaryEventTimer.vue
@@ -1,13 +1,252 @@
 <template>
   <div>
-    定时边界事件（非中断）
+    <el-divider content-position="left">审批人超时未处理时</el-divider>
+    <el-form-item label="启用开关" prop="timeoutHandlerEnable">
+      <el-switch
+        v-model="timeoutHandlerEnable"
+        active-text="开启"
+        inactive-text="关闭"
+        @change="timeoutHandlerChange"
+      />
+    </el-form-item>
+    <el-form-item label="执行动作" prop="timeoutHandlerType" v-if="timeoutHandlerEnable">
+      <el-radio-group v-model="timeoutHandlerType.value" @change="onTimeoutHandlerTypeChanged">
+        <el-radio-button
+          v-for="item in TIMEOUT_HANDLER_TYPES"
+          :key="item.value"
+          :value="item.value"
+          :label="item.label"
+        />
+      </el-radio-group>
+    </el-form-item>
+    <el-form-item label="超时时间设置" v-if="timeoutHandlerEnable">
+      <span class="mr-2">当超过</span>
+      <el-form-item prop="timeDuration">
+        <el-input-number
+          class="mr-2"
+          :style="{ width: '100px' }"
+          v-model="timeDuration"
+          :min="1"
+          controls-position="right"
+          @change="() => updateTimeModdle()"
+        />
+      </el-form-item>
+      <el-select
+        v-model="timeUnit"
+        class="mr-2"
+        :style="{ width: '100px' }"
+        @change="onTimeUnitChange"
+      >
+        <el-option
+          v-for="item in TIME_UNIT_TYPES"
+          :key="item.value"
+          :label="item.label"
+          :value="item.value"
+        />
+      </el-select>
+      未处理
+    </el-form-item>
+    <el-form-item
+      label="最大提醒次数"
+      prop="maxRemindCount"
+      v-if="timeoutHandlerEnable && timeoutHandlerType.value === 1"
+    >
+      <el-input-number
+        v-model="maxRemindCount"
+        :min="1"
+        :max="10"
+        @change="() => updateTimeModdle()"
+      />
+    </el-form-item>
   </div>
 </template>
 
 <script lang="ts" setup>
-// TODO 未来继续完善
+import {
+  TimeUnitType,
+  TIME_UNIT_TYPES,
+  TIMEOUT_HANDLER_TYPES,
+} from '@/components/SimpleProcessDesignerV2/src/consts'
+import { convertTimeUnit } from '@/components/SimpleProcessDesignerV2/src/utils'
+
 defineOptions({ name: 'ElementCustomConfig4BoundaryEventTimer' })
+const props = defineProps({
+  id: String,
+  type: String
+})
+const prefix = inject('prefix')
+
+const bpmnElement = ref()
+const bpmnInstances = () => (window as any)?.bpmnInstances
+
+const timeoutHandlerEnable = ref(false)
+const boundaryEventType = ref()
+const timeoutHandlerType = ref({
+  value: undefined
+})
+const timeModdle = ref()
+const timeDuration = ref(6)
+const timeUnit = ref(TimeUnitType.HOUR)
+const maxRemindCount = ref(1)
+
+const elExtensionElements = ref()
+const otherExtensions = ref()
+const configExtensions = ref([])
+const eventDefinition = ref()
+
+const resetElement = () => {
+  bpmnElement.value = bpmnInstances().bpmnElement
+  eventDefinition.value = bpmnElement.value.businessObject.eventDefinitions[0]
+
+  // 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: [] })
+
+  // 是否开启自定义用户任务超时处理
+  boundaryEventType.value = elExtensionElements.value.values?.filter(
+    (ex) => ex.$type === `${prefix}:BoundaryEventType`
+  )?.[0]
+  if (boundaryEventType.value && boundaryEventType.value.value === 1) {
+    timeoutHandlerEnable.value = true
+    configExtensions.value.push(boundaryEventType.value)
+  }
+
+  // 执行动作
+  timeoutHandlerType.value = elExtensionElements.value.values?.filter(
+    (ex) => ex.$type === `${prefix}:TimeoutHandlerType`
+  )?.[0]
+  if (timeoutHandlerType.value) {
+    configExtensions.value.push(timeoutHandlerType.value)
+    if (eventDefinition.value.timeCycle) {
+      const timeStr = eventDefinition.value.timeCycle.body
+      const maxRemindCountStr = timeStr.split('/')[0]
+      const timeDurationStr = timeStr.split('/')[1]
+      console.log(maxRemindCountStr)
+      maxRemindCount.value = parseInt(maxRemindCountStr.slice(1))
+      timeDuration.value = parseInt(timeDurationStr.slice(2, timeDurationStr.length - 1))
+      timeUnit.value = convertTimeUnit(timeDurationStr.slice(timeDurationStr.length - 1))
+      timeModdle.value = eventDefinition.value.timeCycle
+    }
+    if (eventDefinition.value.timeDuration) {
+      const timeDurationStr = eventDefinition.value.timeDuration.body
+      timeDuration.value = parseInt(timeDurationStr.slice(2, timeDurationStr.length - 1))
+      timeUnit.value = convertTimeUnit(timeDurationStr.slice(timeDurationStr.length - 1))
+      timeModdle.value = eventDefinition.value.timeDuration
+    }
+  }
+
+  // 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}:BoundaryEventType` && ex.$type !== `${prefix}:TimeoutHandlerType`
+    ) ?? []
+}
+
+const timeoutHandlerChange = (val) => {
+  timeoutHandlerEnable.value = val
+  if (val) {
+    // 启用自定义用户任务超时处理
+    // 边界事件类型 --- 超时
+    boundaryEventType.value = bpmnInstances().moddle.create(`${prefix}:BoundaryEventType`, {
+      value: 1
+    })
+    configExtensions.value.push(boundaryEventType.value)
+    // 超时处理类型
+    timeoutHandlerType.value = bpmnInstances().moddle.create(`${prefix}:TimeoutHandlerType`, {
+      value: 1
+    })
+    configExtensions.value.push(timeoutHandlerType.value)
+    // 超时时间表达式
+    timeDuration.value = 6
+    timeUnit.value = 2
+    maxRemindCount.value = 1
+    timeModdle.value = bpmnInstances().moddle.create(`bpmn:Expression`, {
+      body: 'PT6H'
+    })
+    eventDefinition.value.timeDuration = timeModdle.value
+  } else {
+    // 关闭自定义用户任务超时处理
+    configExtensions.value = []
+    delete eventDefinition.value.timeDuration
+    delete eventDefinition.value.timeCycle
+  }
+  updateElementExtensions()
+}
+
+const onTimeoutHandlerTypeChanged = () => {
+  maxRemindCount.value = 1
+  updateElementExtensions()
+  updateTimeModdle()
+}
+
+const onTimeUnitChange = () => {
+  // 分钟，默认是 60 分钟
+  if (timeUnit.value === TimeUnitType.MINUTE) {
+    timeDuration.value = 60
+  }
+  // 小时，默认是 6 个小时
+  if (timeUnit.value === TimeUnitType.HOUR) {
+    timeDuration.value = 6
+  }
+  // 天， 默认 1天
+  if (timeUnit.value === TimeUnitType.DAY) {
+    timeDuration.value = 1
+  }
+  updateTimeModdle()
+}
+
+const updateTimeModdle = () => {
+  if (maxRemindCount.value > 1) {
+    timeModdle.value.body = 'R' + maxRemindCount.value + '/' + isoTimeDuration()
+    if (!eventDefinition.value.timeCycle) {
+      delete eventDefinition.value.timeDuration
+      eventDefinition.value.timeCycle = timeModdle.value
+    }
+  } else {
+    timeModdle.value.body = isoTimeDuration()
+    if (!eventDefinition.value.timeDuration) {
+      delete eventDefinition.value.timeCycle
+      eventDefinition.value.timeDuration = timeModdle.value
+    }
+  }
+}
+
+const isoTimeDuration = () => {
+  let strTimeDuration = 'PT'
+  if (timeUnit.value === TimeUnitType.MINUTE) {
+    strTimeDuration += timeDuration.value + 'M'
+  }
+  if (timeUnit.value === TimeUnitType.HOUR) {
+    strTimeDuration += timeDuration.value + 'H'
+  }
+  if (timeUnit.value === TimeUnitType.DAY) {
+    strTimeDuration += timeDuration.value + 'D'
+  }
+  return strTimeDuration
+}
+
+const updateElementExtensions = () => {
+  const extensions = bpmnInstances().moddle.create('bpmn:ExtensionElements', {
+    values: [...otherExtensions.value, ...configExtensions.value]
+  })
+  bpmnInstances().modeling.updateProperties(toRaw(bpmnElement.value), {
+    extensionElements: extensions
+  })
+}
+
+watch(
+  () => props.id,
+  (val) => {
+    val &&
+      val.length &&
+      nextTick(() => {
+        resetElement()
+      })
+  },
+  { immediate: true }
+)
 </script>
 
-<style lang="scss" scoped>
-</style>
+<style lang="scss" scoped></style>