diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProc.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProc.java
index e6c1957..a6f306d 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProc.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/flow/ModelProc.java
@@ -25,7 +25,7 @@ public class ModelProc extends DefaultEntity {
         if (procInfo == null) {
             synchronized ("ModelProc_" + getId()) {
                 if (procInfo == null) {
-                    procInfo = JsonUtil.parse(getContent(), ProcInfo.class);
+                    procInfo = JsonUtil.parse(getContent(), "model", ProcInfo.class);
                 }
             }
         }
diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormDelHandler.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormDelHandler.java
index 0311c6e..da6c038 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormDelHandler.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/design/form/ModelFormDelHandler.java
@@ -28,7 +28,8 @@ public class ModelFormDelHandler extends DefaultDelHandler<ModelForm> {
     @Override
     protected void delDb() {
         EntityDao<ModelForm> dao = DbEngine.getInstance().findDao(ModelForm.class);
-        Set<ModelForm> list = new HashSet<>(ModelFormCache.getInstance().getListByModule(id));
+        Set<ModelForm> l1 = ModelFormCache.getInstance().getListByModule(id);
+        Set<ModelForm> list = l1 != null ? new HashSet<>(l1) : null;
         if (CommUtil.isEmpty(list)) {
             listDeled = null;
             dao.deleteEntity(id);
diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleLoadHandler.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleLoadHandler.java
index 22f71a5..589e7b7 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleLoadHandler.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleLoadHandler.java
@@ -25,7 +25,7 @@ import java.util.ArrayList;
 /**
  * Created by Akmm at 2022-08-26 17:15
  */
-public class FlowSingleLoadHandler<T extends DefaultEntity> extends LCSingleLoadHandler implements FlowListener {
+public class FlowSingleLoadHandler extends LCSingleLoadHandler implements FlowListener {
     protected FlowInstance flowInstance;
 
     @Override
diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleSaveHandler.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleSaveHandler.java
index 6e20353..74a9b8c 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleSaveHandler.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleSaveHandler.java
@@ -1,5 +1,6 @@
 package cc.smtweb.system.bpm.web.engine.model.flow.listcard.single;
 
+import cc.smtweb.framework.core.common.R;
 import cc.smtweb.framework.core.db.impl.DefaultEntity;
 import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleSaveHandler;
 
@@ -8,5 +9,8 @@ import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleSaveHandler
  * 带流程的简单卡片之保存
  */
 public class FlowSingleSaveHandler<T extends DefaultEntity> extends LCSingleSaveHandler<T> {
-    
+    @Override
+    public R save() {
+        return super.save();
+    }
 }
diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleService.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleService.java
index cde6607..b3775d1 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleService.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/engine/model/flow/listcard/single/FlowSingleService.java
@@ -1,6 +1,7 @@
 package cc.smtweb.system.bpm.web.engine.model.flow.listcard.single;
 
 import cc.smtweb.framework.core.annotation.SwService;
+import cc.smtweb.framework.core.db.impl.DefaultEntity;
 import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleDelHandler;
 import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleLoadHandler;
 import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleSaveHandler;
@@ -14,12 +15,12 @@ import cc.smtweb.system.bpm.web.engine.model.listcard.single.LCSingleService;
 public class FlowSingleService extends LCSingleService {
     @Override
     protected LCSingleSaveHandler getSaveHandler() {
-        return super.getSaveHandler();
+        return new FlowSingleSaveHandler();
     }
 
     @Override
     protected LCSingleLoadHandler getLoadHandler() {
-        return super.getLoadHandler();
+        return new FlowSingleLoadHandler();
     }
 
     @Override
diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/login/LoginHelper.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/login/LoginHelper.java
index 9f69494..c3bdf0c 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/login/LoginHelper.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/login/LoginHelper.java
@@ -32,7 +32,7 @@ public class LoginHelper {
         }
 
         if ("admin".equals(loginPO.getUsername())) {
-            return new UserSession(1);
+            return UserSession.createSys();
         }
 
         if (StringUtils.isBlank(loginPO.getPassword())) {
diff --git a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/session/UserSession.java b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/session/UserSession.java
index 45efb91..37fb8d2 100644
--- a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/session/UserSession.java
+++ b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/session/UserSession.java
@@ -71,8 +71,8 @@ public class UserSession implements Serializable {
 
     public static UserSession createSys() {
         UserSession us = new UserSession();
-        us.userId = 1;
-        us.partyId = 1;
+        us.userId = 1L;
+        us.partyId = 1L;
         us.terminalType = 0;
         return us;
     }
diff --git a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/JsonUtil.java b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/JsonUtil.java
index df9c493..74c5d6f 100644
--- a/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/JsonUtil.java
+++ b/smtweb-framework/core/src/main/java/cc/smtweb/framework/core/util/JsonUtil.java
@@ -4,7 +4,9 @@ import cc.smtweb.framework.core.common.SwMap;
 import cc.smtweb.framework.core.exception.JsonParseException;
 import cc.smtweb.framework.core.util.jackson.*;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonFactory;
 import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JavaType;
@@ -101,6 +103,7 @@ public class JsonUtil {
 
     public static <T> T parse(String str, Class<T> clazz) {
         try {
+
             if (StringUtils.isBlank(str)) {
                 return null;
             } else {
@@ -112,6 +115,31 @@ public class JsonUtil {
     }
 
     /**
+     * 解析指定json节点
+      * @param str 完整json串
+     * @param nodePath 待解析节点路径，如a.b.c
+     * @param clazz 
+     * @return
+     * @param <T>
+     */
+    public static <T> T parse(String str, String nodePath, Class<T> clazz) {
+        try {
+            if (StringUtils.isBlank(str)) {
+                return null;
+            }
+            JsonNode node = OBJECT_MAPPER.readTree(str);
+            String[] nodes = nodePath.split("\\.");
+            for (String s: nodes) {
+                node = node.get(s);
+                if (node == null) return null;
+            }
+            return OBJECT_MAPPER.treeToValue(node, clazz);
+        } catch (Exception e) {
+            throw new JsonParseException("can't convert this json to " + clazz + " type", e);
+        }
+    }
+
+    /**
      * 将Map对象转换为Bean对象
      *
      * @param map   Map对象