diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractCompService.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractCompService.java
index 3836405..5486139 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractCompService.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractCompService.java
@@ -18,10 +18,10 @@ public abstract class AbstractCompService {
     public final static String TYPE_SAVE = "save";
     public final static String TYPE_DEL = "del";
 
-    protected abstract IHandler createHandler(String type);
+    protected abstract AbstractHandler createHandler(String type);
 
-    protected IHandler getHandler(SwMap params, UserSession us, String type) throws Exception {
-        IHandler handler = createHandler(type);
+    protected AbstractHandler getHandler(SwMap params, UserSession us, String type) throws Exception {
+        AbstractHandler handler = createHandler(type);
         if (handler == null) throw new SwException("暂不支持此类服务：" + type);
         if (params == null) params = new SwMap();
         if (us == null) us = UserSession.createSys();
@@ -29,10 +29,10 @@ public abstract class AbstractCompService {
         return handler;
     }
 
-    protected R pageHandler(SwMap params, UserSession us, String type) {
+    protected R pageHandler(SwMap params, UserSession us, String type, IWorker worker) {
         try {
-            IHandler handler = getHandler(params, us, type);
-            return handler.doWork();
+            AbstractHandler handler = getHandler(params, us, type);
+            return worker.doWork(handler);
         } catch (Exception e) {
             return R.error("操作失败！", e);
         }
@@ -40,81 +40,56 @@ public abstract class AbstractCompService {
 
     //保存
     public R save(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_SAVE);
+        return pageHandler(params, us, TYPE_SAVE, handler -> ((AbstractSaveHandler)handler).save());
     }
 
     //树，换爹
     public R trcp(@SwBody SwMap params, UserSession us) {
-        try {
-            DefaultSaveHandler handler = (DefaultSaveHandler) getHandler(params, us, TYPE_SAVE);
-            return handler.changeParent();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_SAVE, handler -> ((AbstractSaveHandler)handler).changeParent());
     }
 
     //读取
     public R load(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_LOAD);
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((AbstractLoadHandler)handler).load());
     }
 
     //删除
     public R del(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_DEL);
+        return pageHandler(params, us, TYPE_DEL, handler -> ((AbstractDelHandler)handler).del());
     }
 
     //列表数据
     public R list(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_LIST);
+        return pageHandler(params, us, TYPE_LIST, handler -> ((AbstractListHandler)handler).listData());
     }
 
     //列表总记录数及合计栏
     public R listTotal(@SwBody SwMap params, UserSession us) {
-        try {
-            AbstractListHandler handler = (AbstractListHandler) getHandler(params, us, TYPE_LIST);
-            return handler.getTotal();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LIST, handler -> ((AbstractListHandler)handler).getTotal());
     }
 
     //combo数据
     public R combo(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_COMBO);
+        return pageHandler(params, us, TYPE_COMBO, handler -> ((DefaultComboHandler)handler).listData());
     }
 
     //combo总记录数及合计栏
     public R comboTotal(@SwBody SwMap params, UserSession us) {
-        try {
-            AbstractListHandler handler = (AbstractListHandler) getHandler(params, us, TYPE_COMBO);
-            return handler.getTotal();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_COMBO, handler -> ((DefaultComboHandler)handler).getTotal());
     }
 
     //combo数据过滤
     public R comboFilter(@SwBody SwMap params, UserSession us) {
-        try {
-            DefaultComboHandler handler = (DefaultComboHandler) getHandler(params, us, TYPE_COMBO);
-            return handler.filter();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_COMBO, handler -> ((DefaultComboHandler)handler).filter());
     }
 
     //树数据
     public R tree(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_TREE);
+        return pageHandler(params, us, TYPE_COMBO, handler -> ((AbstractTreeHandler<Object>)handler).data());
     }
 
     //树过滤
     public R treeFilter(@SwBody SwMap params, UserSession us) {
-        try {
-            AbstractTreeHandler handler = (AbstractTreeHandler) getHandler(params, us, TYPE_TREE);
-            return handler.filter();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_COMBO, handler -> ((AbstractTreeHandler<Object>)handler).filter());
     }
 }
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractDelHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractDelHandler.java
index a119a09..cdbaaf8 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractDelHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractDelHandler.java
@@ -13,15 +13,14 @@ import lombok.extern.slf4j.Slf4j;
 public abstract class AbstractDelHandler extends AbstractHandler{
     protected long id;
 
-    @Override
-    public R doWork() throws Exception {
+    public R del() {
         id = readId();
 
         checkValid();
         DbEngine.getInstance().doTrans(new AbsDbWorker() {
             @Override
             public void work() {
-                del();
+                delDb();
             }
 
             @Override
@@ -48,7 +47,7 @@ public abstract class AbstractDelHandler extends AbstractHandler{
     }
 
     protected abstract void checkValid();
-    protected abstract void del();
+    protected abstract void delDb();
     protected void saveSuccess() {}
     protected void saveFailed() {}
 }
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractHandler.java
index a062905..90c16e0 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractHandler.java
@@ -6,11 +6,10 @@ import cc.smtweb.framework.core.session.UserSession;
 /**
  * Created by Akmm at 2022/3/2 19:44
  */
-public abstract class AbstractHandler implements IHandler {
+public abstract class AbstractHandler {
     protected SwMap params;
     protected UserSession us;
 
-    @Override
     public void init(SwMap params, UserSession us) {
         this.params = params;
         this.us = us;
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractListHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractListHandler.java
index 7b5ec53..a719d72 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractListHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractListHandler.java
@@ -28,11 +28,6 @@ public abstract class AbstractListHandler extends AbstractHandler {
 
     private SessionCache sessionCache;
 
-    @Override
-    public R doWork() throws Exception {
-        return R.success(listData());
-    }
-
     protected String getCompId() {
         return this.getClass().getSimpleName();
     }
@@ -55,7 +50,7 @@ public abstract class AbstractListHandler extends AbstractHandler {
         sessionCache.remove(getCompId() + "." + key);
     }
 
-    protected SwListData listData() throws Exception {
+    protected R listData() {
         List<SwMap> listData;
         SqlPara sqlPara = buildDataSql();
 
@@ -80,7 +75,7 @@ public abstract class AbstractListHandler extends AbstractHandler {
         }
 
         afterQuery(listData);
-        return SwListData.create(listData, rows);
+        return R.success(SwListData.create(listData, rows));
     }
 
     protected SqlPara buildSumSqlPara() {
@@ -132,7 +127,7 @@ public abstract class AbstractListHandler extends AbstractHandler {
         }
     }
 
-    protected SqlPara buildDataSql() throws Exception {
+    protected SqlPara buildDataSql() {
         //从缓存里看看有没有保存的sql缓存；
         SqlPara sqlParaInCache = getCache(KEY_SQLPARA);  //缓存里面的对象；
         boolean query = sqlParaInCache == null || params.readBool("query");
@@ -179,7 +174,7 @@ public abstract class AbstractListHandler extends AbstractHandler {
      *
      * @throws Exception
      */
-    protected void buildParam() throws Exception {
+    protected void buildParam()  {
 
     }
 
@@ -195,7 +190,7 @@ public abstract class AbstractListHandler extends AbstractHandler {
     protected void afterQuery(List<SwMap> listData) {
     }
 
-    protected abstract SqlPara buildSqlPara() throws Exception;
+    protected abstract SqlPara buildSqlPara();
 
     //构建合计字段
     private List<FooterField> getFooterFields() {
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractLoadHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractLoadHandler.java
index 3b91574..8f36e81 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractLoadHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractLoadHandler.java
@@ -7,8 +7,7 @@ import cc.smtweb.framework.core.common.R;
  */
 public abstract class AbstractLoadHandler<T> extends AbstractHandler {
 
-    @Override
-    public R doWork() throws Exception {
+    public R load() {
         long id = readId();
         T bean;
         if (id <= 0L) {
@@ -27,7 +26,7 @@ public abstract class AbstractLoadHandler<T> extends AbstractHandler {
         return params.readLong("id", 0L);
     }
 
-    protected abstract T createComp() throws Exception;
+    protected abstract T createComp();
 
     protected abstract T loadComp(long id);
 }
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractSaveHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractSaveHandler.java
index 65c2859..26b4b16 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractSaveHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractSaveHandler.java
@@ -15,8 +15,8 @@ public abstract class AbstractSaveHandler<T> extends AbstractHandler {
     protected boolean isNew;
 
 
-    @Override
-    public R doWork() throws Exception {
+
+    public R save() {
         long id = readId();
 
         isNew = id <= 0L;
@@ -33,7 +33,7 @@ public abstract class AbstractSaveHandler<T> extends AbstractHandler {
         DbEngine.getInstance().doTrans(new AbsDbWorker() {
             @Override
             public void work(){
-                save();
+                saveDb();
             }
 
             @Override
@@ -66,7 +66,7 @@ public abstract class AbstractSaveHandler<T> extends AbstractHandler {
     protected abstract void checkValid();
 
     //保存到数据库
-    protected abstract void save();
+    protected abstract void saveDb();
 
     //保存成功之后
     protected void saveSuccess() {
@@ -77,8 +77,11 @@ public abstract class AbstractSaveHandler<T> extends AbstractHandler {
     }
 
     //构建一个新对象
-    protected abstract T createComp() throws Exception;
+    protected abstract T createComp();
 
     //从数据库读取
-    protected abstract T loadComp(long id) throws Exception;
+    protected abstract T loadComp(long id);
+
+    //树，改变父亲
+    public abstract R changeParent();
 }
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractTreeHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractTreeHandler.java
index 091a23a..0bd7382 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractTreeHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/AbstractTreeHandler.java
@@ -13,24 +13,18 @@ import java.util.List;
  */
 @Slf4j
 public abstract class AbstractTreeHandler<T> extends AbstractHandler {
-
-    @Override
-    public R doWork() throws Exception {
-        return R.success(data());
-    }
-
     //树过滤
-    public R filter() throws Exception {
+    public R filter() {
         List<T> rows = filterData();
         List<SwMap> listRet = buildNodes(rows, true);
         return R.success(listRet);
     }
 
-    protected List<SwMap> data() throws Exception {
+    public R data()  {
         List<T> rows = getChildren(params.readLong("parent_id"));
         List<SwMap> listRet = buildNodes(rows, params.readBool("lazy"));
 
-        return listRet;
+        return R.success(listRet);
     }
 
     //搜索
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultComboHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultComboHandler.java
index e661890..eff88d9 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultComboHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultComboHandler.java
@@ -23,11 +23,11 @@ public class DefaultComboHandler<T extends DefaultEntity> extends DefaultListHan
         super(tableName);
     }
 
-    public R filter() throws Exception {
+    public R filter() {
         return R.success(filterData());
     }
 
-    protected SwListData filterData() throws Exception {
+    protected SwListData filterData() {
         String text = params.readString("text");
         if (StringUtils.isEmpty(text)) throw new SwException("没有搜素内容！");
 
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultDelHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultDelHandler.java
index 6c38611..873bfc5 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultDelHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultDelHandler.java
@@ -27,7 +27,7 @@ public class DefaultDelHandler<T extends DefaultEntity> extends AbstractDelHandl
     }
 
     @Override
-    protected void del() {
+    protected void delDb() {
         EntityDao dao = DbEngine.getInstance().findDao(tableName);
         dao.deleteEntity(id);
     }
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultListHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultListHandler.java
index 3a03b6c..092fedb 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultListHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultListHandler.java
@@ -25,7 +25,7 @@ public class DefaultListHandler<T extends DefaultEntity> extends AbstractListHan
     }
 
     @Override
-    protected SqlPara buildSqlPara() throws Exception {
+    protected SqlPara buildSqlPara() {
         EntityDao dao = DbEngine.getInstance().findDao(tableName);
         StringBuilder sql = new StringBuilder(512);
         List<Object> args = new ArrayList<>();
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultLoadHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultLoadHandler.java
index fa0a86e..a42639f 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultLoadHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultLoadHandler.java
@@ -20,7 +20,7 @@ public class DefaultLoadHandler<T extends DefaultEntity> extends AbstractLoadHan
     }
 
     @Override
-    protected T createComp() throws Exception {
+    protected T createComp() {
         final EntityDao<T> dao = DbEngine.getInstance().findDao(tableName);
         T bean = dao.createBean();
         ModelTable table = ModelTableCache.getInstance().getByName(tableName);
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultSaveHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultSaveHandler.java
index 5403dd2..5915852 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultSaveHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/DefaultSaveHandler.java
@@ -31,7 +31,7 @@ public class DefaultSaveHandler<T extends DefaultEntity> extends AbstractSaveHan
     }
 
     @Override
-    protected T createComp() throws Exception {
+    protected T createComp() {
         final EntityDao<T> dao = DbEngine.getInstance().findDao(tableName);
         T bean = dao.createBean();
         ModelTable table = ModelTableCache.getInstance().getByName(tableName);
@@ -84,7 +84,7 @@ public class DefaultSaveHandler<T extends DefaultEntity> extends AbstractSaveHan
     }
 
     @Override
-    protected void save()  {
+    protected void saveDb()  {
         EntityDao<T> dao = DbEngine.getInstance().findDao(tableName);
         if (isNew) {
             dao.insertEntity(bean);
@@ -134,7 +134,7 @@ public class DefaultSaveHandler<T extends DefaultEntity> extends AbstractSaveHan
     }
 
     //树，改变父亲
-    protected R changeParent() throws Exception {
+    public R changeParent(){
         ModelTable table = ModelTableCache.getInstance().getByName(tableName);
         if (table.getType() != SwEnum.TableType.TYPE_TREE.value) throw new SwException("非树型表，不支持更改父节点");
 
diff --git a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IHandler.java b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IWorker.java
similarity index 71%
rename from smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IHandler.java
rename to smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IWorker.java
index cbfdbb3..92cdb81 100644
--- a/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IHandler.java
+++ b/smtweb-framework/sw-framework-core/src/main/java/cc/smtweb/framework/core/mvc/service/IWorker.java
@@ -8,7 +8,6 @@ import cc.smtweb.framework.core.session.UserSession;
  * Created by Akmm at 2022/3/2 19:01
  * 所有handler的接口
  */
-public interface IHandler {
-    void init(SwMap params, UserSession us);
-    R doWork() throws Exception;
+public interface IWorker {
+     R doWork(AbstractHandler handler);
 }
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProcService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProcService.java
index 82f8990..1b44c10 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProcService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProcService.java
@@ -6,10 +6,7 @@ import cc.smtweb.framework.core.common.R;
 import cc.smtweb.framework.core.common.SwEnum;
 import cc.smtweb.framework.core.common.SwMap;
 import cc.smtweb.framework.core.db.DbEngine;
-import cc.smtweb.framework.core.mvc.service.AbstractCompService;
-import cc.smtweb.framework.core.mvc.service.DefaultDelHandler;
-import cc.smtweb.framework.core.mvc.service.DefaultListHandler;
-import cc.smtweb.framework.core.mvc.service.IHandler;
+import cc.smtweb.framework.core.mvc.service.*;
 import cc.smtweb.framework.core.session.UserSession;
 import cc.smtweb.framework.core.util.SqlUtil;
 import cc.smtweb.system.bpm.web.design.form.ModelForm;
@@ -27,7 +24,7 @@ import java.util.List;
 @SwService
 public class ModelProcService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new ModelFormLoadHandler();
@@ -44,62 +41,32 @@ public class ModelProcService extends AbstractCompService {
 
     //保存数据集
     public R saveDataset(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormSaveHandler handler = (ModelFormSaveHandler) getHandler(params, us, TYPE_SAVE);
-            return handler.saveDataset();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_SAVE, handler -> ((ModelFormSaveHandler)handler).saveDataset());
     }
 
     //加载数据集
     public R loadDataset(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormLoadHandler handler = (ModelFormLoadHandler) getHandler(params, us, TYPE_LOAD);
-            return handler.loadDataset();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((ModelFormLoadHandler)handler).loadDataset());
     }
 
     //保存页面模型
     public R saveModel(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormSaveHandler handler = (ModelFormSaveHandler) getHandler(params, us, TYPE_SAVE);
-            return handler.saveModel();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_SAVE, handler -> ((ModelFormSaveHandler)handler).saveModel());
     }
 
     //加载页面模型
     public R loadModel(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormLoadHandler handler = (ModelFormLoadHandler) getHandler(params, us, TYPE_LOAD);
-            return handler.loadModel();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((ModelFormLoadHandler)handler).loadModel());
     }
 
     //加载引擎用页面模型
     public R model(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormLoadHandler handler = (ModelFormLoadHandler) getHandler(params, us, TYPE_LOAD);
-            return handler.loadForm();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((ModelFormLoadHandler)handler).loadForm());
     }
 
     //获取页面使用的控件的filter信息
     public R loadWidgetFilter(@SwBody SwMap params, UserSession us) {
-        try {
-            ModelFormLoadHandler handler = (ModelFormLoadHandler) getHandler(params, us, TYPE_LOAD);
-            return handler.loadWidgetFilter();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((ModelFormLoadHandler)handler).loadWidgetFilter());
     }
 
     //获取自定义sql的字段信息，去库里查
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormService.java
index 1e82a5e..1525739 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormService.java
@@ -10,12 +10,8 @@ import cc.smtweb.framework.core.mvc.service.*;
 import cc.smtweb.framework.core.session.UserSession;
 import cc.smtweb.framework.core.util.SqlUtil;
 import org.apache.commons.lang3.StringUtils;
-import org.springframework.dao.DataAccessException;
-import org.springframework.jdbc.core.ResultSetExtractor;
 
-import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -25,7 +21,7 @@ import java.util.List;
 @SwService
 public class ModelFormService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new ModelFormLoadHandler();
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelCatalogService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelCatalogService.java
index cae58c8..5438512 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelCatalogService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelCatalogService.java
@@ -11,7 +11,7 @@ import cc.smtweb.framework.core.mvc.service.*;
 @SwService
 public class ModelCatalogService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new DefaultLoadHandler<ModelCatalog>(ModelCatalog.ENTITY_NAME);
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelDatabaseService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelDatabaseService.java
index fa7b359..7e91da0 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelDatabaseService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelDatabaseService.java
@@ -11,7 +11,7 @@ import cc.smtweb.framework.core.mvc.service.*;
 @SwService
 public class ModelDatabaseService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new DefaultLoadHandler<ModelCatalog>(ModelDatabase.ENTITY_NAME);
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelProjectService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelProjectService.java
index 0ea7a75..19e0e54 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelProjectService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelProjectService.java
@@ -11,7 +11,7 @@ import cc.smtweb.framework.core.mvc.service.*;
 @SwService
 public class ModelProjectService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new DefaultLoadHandler<ModelProject>(ModelProject.ENTITY_NAME);
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelTableService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelTableService.java
index 949952e..f1ef2b9 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelTableService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/design/table/ModelTableService.java
@@ -5,7 +5,6 @@ import cc.smtweb.framework.core.annotation.SwService;
 import cc.smtweb.framework.core.common.R;
 import cc.smtweb.framework.core.common.SwMap;
 import cc.smtweb.framework.core.db.cache.ModelTableCache;
-import cc.smtweb.framework.core.db.vo.ModelCatalog;
 import cc.smtweb.framework.core.db.vo.ModelTable;
 import cc.smtweb.framework.core.mvc.service.*;
 import cc.smtweb.framework.core.session.UserSession;
@@ -16,7 +15,7 @@ import cc.smtweb.framework.core.session.UserSession;
 @SwService
 public class ModelTableService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_LOAD:
                 return new DefaultLoadHandler<ModelTable>(ModelTable.ENTITY_NAME);
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageAddHandler.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageAddHandler.java
index c62da1b..485ab42 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageAddHandler.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageAddHandler.java
@@ -15,8 +15,7 @@ import java.util.Map;
  */
 public class DynPageAddHandler extends AbstractDynPageHandler {
 
-    @Override
-    public R doWork() throws Exception {
+    public R add() {
         //返回的数据，以dataset.name为key，查出的结果（bean或list）为value
         Map<String, Object> mapRet = new HashMap<>();
         for (PageDataset dataSet : datasets.list) {
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageDelHandler.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageDelHandler.java
index c9f303e..96cdfee 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageDelHandler.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageDelHandler.java
@@ -25,12 +25,6 @@ import java.util.Map;
  * 删除操作
  */
 public class DynPageDelHandler extends AbstractDynPageHandler {
-
-    @Override
-    public R doWork() throws Exception {
-        return delAll();
-    }
-
     /**
      * 删除指定数据集，入参{pageId, dataset, id}
      *
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageLoadOneHandler.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageLoadOneHandler.java
index dba11da..9d10b26 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageLoadOneHandler.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageLoadOneHandler.java
@@ -28,8 +28,7 @@ public class DynPageLoadOneHandler extends AbstractDynPageHandler {
     //对应的数据集定义
     private PageDataset pageDataSet;
 
-    @Override
-    public R doWork() throws Exception {
+    public R load() throws Exception {
         dbName = params.readString("dataset");
         filter = (SwMap)params.get("filter");
 
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageSaveHandler.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageSaveHandler.java
index e0734b0..65c1546 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageSaveHandler.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageSaveHandler.java
@@ -30,11 +30,6 @@ import java.util.*;
 public class DynPageSaveHandler extends AbstractDynPageHandler {
     private Map<String, List<DefaultEntity>> mapTreeBean = new HashMap<>();
 
-    @Override
-    public R doWork() {
-        return saveAll();
-    }
-
     /**
      * 保存指定数据集操作，入参：{pageId,dataset:"", data:{form:{},list: {total:0,rows:[]}}, filter:{}}
      */
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageService.java
index 569f828..c134c72 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/dynPage/DynPageService.java
@@ -16,7 +16,7 @@ public class DynPageService extends AbstractCompService {
     public final static String TYPE_ADD = "add";
 
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         switch (type) {
             case TYPE_ADD:
                 return new DynPageAddHandler();
@@ -32,36 +32,21 @@ public class DynPageService extends AbstractCompService {
 
     //新增
     public R add(@SwBody SwMap params, UserSession us) {
-        return pageHandler(params, us, TYPE_ADD);
+        return pageHandler(params, us, TYPE_ADD, handler -> ((DynPageAddHandler)handler).add());
     }
 
     //保存指定数据集
     public R saveOne(@SwBody SwMap params, UserSession us) {
-        try {
-            DynPageSaveHandler handler = (DynPageSaveHandler) getHandler(params, us, TYPE_SAVE);
-            return handler.saveOne();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_SAVE, handler -> ((DynPageSaveHandler)handler).saveOne());
     }
 
     //删除指定数据集
     public R delOne(@SwBody SwMap params, UserSession us) {
-        try {
-            DynPageDelHandler handler = (DynPageDelHandler) getHandler(params, us, TYPE_DEL);
-            return handler.delOne();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_DEL, handler -> ((DynPageDelHandler)handler).delOne());
     }
 
     //列表总记录数及合计栏
     public R total(@SwBody SwMap params, UserSession us) {
-        try {
-            DynPageLoadOneHandler handler = (DynPageLoadOneHandler) getHandler(params, us, TYPE_LOAD);
-            return handler.getTotal();
-        } catch (Exception e) {
-            return R.error("操作失败！", e);
-        }
+        return pageHandler(params, us, TYPE_LOAD, handler -> ((DynPageLoadOneHandler)handler).getTotal());
     }
 }
diff --git a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/flow/FlowService.java b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/flow/FlowService.java
index e25b810..21067aa 100644
--- a/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/flow/FlowService.java
+++ b/smtweb-system/sw-system-bpm/src/main/java/cc/smtweb/system/bpm/web/engine/flow/FlowService.java
@@ -1,7 +1,8 @@
 package cc.smtweb.system.bpm.web.engine.flow;
 
 import cc.smtweb.framework.core.mvc.service.AbstractCompService;
-import cc.smtweb.framework.core.mvc.service.IHandler;
+import cc.smtweb.framework.core.mvc.service.AbstractHandler;
+import cc.smtweb.framework.core.mvc.service.IWorker;
 
 /**
  * Created by Akmm at 2022/5/24 14:21
@@ -9,7 +10,7 @@ import cc.smtweb.framework.core.mvc.service.IHandler;
  */
 public class FlowService extends AbstractCompService {
     @Override
-    protected IHandler createHandler(String type) {
+    protected AbstractHandler createHandler(String type) {
         return null;
     }
 }