diff --git a/src/main/java/com/wflow/service/CustomListenService.java b/src/main/java/com/wflow/service/CustomListenService.java
new file mode 100644
index 0000000..10b0b16
--- /dev/null
+++ b/src/main/java/com/wflow/service/CustomListenService.java
@@ -0,0 +1,11 @@
+package com.wflow.service;
+
+/**
+ * 流程里面的监听器Service
+ */
+public interface CustomListenService {
+
+    void updateFormData(String instanceId, String fieldId, String val);
+
+    void updateFormDataNow(String instanceId, String fieldId, Integer type);
+}
diff --git a/src/main/java/com/wflow/service/impl/CustomListenServiceImpl.java b/src/main/java/com/wflow/service/impl/CustomListenServiceImpl.java
new file mode 100644
index 0000000..6238360
--- /dev/null
+++ b/src/main/java/com/wflow/service/impl/CustomListenServiceImpl.java
@@ -0,0 +1,64 @@
+package com.wflow.service.impl;
+
+import cn.hutool.core.date.DateUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.wflow.bean.entity.WflowFormData;
+import com.wflow.mapper.WflowFormDataMapper;
+import com.wflow.service.CustomListenService;
+import lombok.val;
+import org.flowable.engine.RuntimeService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+@Service("customListenService")
+public class CustomListenServiceImpl implements CustomListenService {
+    @Lazy
+    @Autowired
+    RuntimeService runtimeService;
+    @Lazy
+    @Autowired
+    private WflowFormDataMapper formDataMapper;
+
+    @Override
+    public void updateFormData(String instanceId, String fieldId, String val) {
+        WflowFormData data = new WflowFormData();
+        data.setInstanceId(instanceId);
+        data.setFieldId(fieldId);
+        data.setFieldValue(val);
+        formDataMapper.update(data, new LambdaQueryWrapper<WflowFormData>()
+                .eq(WflowFormData::getInstanceId, instanceId)
+                .eq(WflowFormData::getFieldId, fieldId));
+        Map<String, Object> dataMap = new HashMap<>();
+        dataMap.put(fieldId, val);
+        runtimeService.setVariables(instanceId, dataMap);
+    }
+
+    @Override
+    public void updateFormDataNow(String instanceId, String fieldId, Integer type) {
+        String val;
+        Date date = new Date();
+        if (type == 1) {
+            val = DateUtil.format(date,"yyyy-MM-dd");
+        } else if (type == 2){
+            val = DateUtil.format(date,"yyyy-MM-dd HH:mm");
+        } else {
+            val = DateUtil.format(date,"yyyy-MM-dd HH:mm:ss");
+        }
+        WflowFormData data = new WflowFormData();
+        data.setInstanceId(instanceId);
+        data.setFieldId(fieldId);
+        data.setFieldValue(val);
+        formDataMapper.update(data, new LambdaQueryWrapper<WflowFormData>()
+                .eq(WflowFormData::getInstanceId, instanceId)
+                .eq(WflowFormData::getFieldId, fieldId));
+        Map<String, Object> dataMap = new HashMap<>();
+        dataMap.put(fieldId, val);
+        runtimeService.setVariables(instanceId, dataMap);
+    }
+
+}