diff --git a/src/main/java/neatlogic/module/process/service/ProcessStepHandlerUtil.java b/src/main/java/neatlogic/module/process/service/ProcessStepHandlerUtil.java
index b316ae2bcd7b13fc6feb026765214f135e636456..d9dbea0898b563787731fed7e7ef79f85c0a4790 100644
--- a/src/main/java/neatlogic/module/process/service/ProcessStepHandlerUtil.java
+++ b/src/main/java/neatlogic/module/process/service/ProcessStepHandlerUtil.java
@@ -934,16 +934,17 @@ public class ProcessStepHandlerUtil implements IProcessStepHandlerUtil, IProcess
         }
 
         Map<String, FormAttributeVo> formExtendAttributeMap = new HashMap<>();
+        Map<String, FormAttributeVo> formCustomExtendAttributeMap = new HashMap<>();
         List<FormAttributeVo> mainSceneFormAttributeList;
         String formContent = selectContentByHashMapper.getProcessTaskFromContentByHash(processTaskFormVo.getFormContentHash());
+        JSONObject formConfig = JSON.parseObject(formContent);
+        String mainSceneUuid = formConfig.getString("uuid");
         {
             // 主场景的表单
-            JSONObject formConfig = JSON.parseObject(formContent);
             FormVersionVo formVersionVo = new FormVersionVo();
             formVersionVo.setFormUuid(processTaskFormVo.getFormUuid());
             formVersionVo.setFormName(processTaskFormVo.getFormName());
             formVersionVo.setFormConfig(formConfig);
-            String mainSceneUuid = formConfig.getString("uuid");
             formVersionVo.setSceneUuid(mainSceneUuid);
             /* 校验表单属性是否合法 **/
             FormUtil.formAttributeValueValid(formVersionVo, formAttributeDataList);
@@ -952,6 +953,10 @@ public class ProcessStepHandlerUtil implements IProcessStepHandlerUtil, IProcess
             if (CollectionUtils.isNotEmpty(formExtendAttributeList)) {
                 formExtendAttributeMap = formExtendAttributeList.stream().collect(Collectors.toMap(e -> e.getParentUuid() + "#" + e.getTag() + "#" + e.getKey(), e -> e));
             }
+            List<FormAttributeVo> formCustomExtendAttributeList = formVersionVo.getFormCustomExtendAttributeList();
+            if (CollectionUtils.isNotEmpty(formCustomExtendAttributeList)) {
+                formCustomExtendAttributeMap = formCustomExtendAttributeList.stream().collect(Collectors.toMap(e -> mainSceneUuid + "#" + e.getTag() + "#" + e.getKey(), e -> e));
+            }
         }
         if (CollectionUtils.isEmpty(mainSceneFormAttributeList)) {
             return;
@@ -1105,7 +1110,12 @@ public class ProcessStepHandlerUtil implements IProcessStepHandlerUtil, IProcess
                 String parentUuid = formExtendAttributeDataObj.getString("parentUuid");
                 String tag = formExtendAttributeDataObj.getString("tag");
                 String key = formExtendAttributeDataObj.getString("key");
-                FormAttributeVo formAttributeVo = formExtendAttributeMap.get(parentUuid + "#" + tag + "#" + key);
+                FormAttributeVo formAttributeVo = null;
+                if (StringUtils.isNotBlank(parentUuid)) {
+                    formAttributeVo = formExtendAttributeMap.get(parentUuid + "#" + tag + "#" + key);
+                } else {
+                    formAttributeVo = formCustomExtendAttributeMap.get(mainSceneUuid + "#" + tag + "#" + key);
+                }
                 if (formAttributeVo == null) {
                     continue;
                 }
diff --git a/src/main/java/neatlogic/module/process/service/ProcessTaskServiceImpl.java b/src/main/java/neatlogic/module/process/service/ProcessTaskServiceImpl.java
index f343a3f51b08a9c76001c6d4e76ce201e594e3dc..8e98cbb0fc0e00dff09d38627622a6c7c0c85cd2 100644
--- a/src/main/java/neatlogic/module/process/service/ProcessTaskServiceImpl.java
+++ b/src/main/java/neatlogic/module/process/service/ProcessTaskServiceImpl.java
@@ -2160,6 +2160,15 @@ public class ProcessTaskServiceImpl implements ProcessTaskService, IProcessTaskC
                 }
             }
         }
+        List<FormAttributeVo> formCustomExtendAttributeList = new ArrayList<>();
+        List<FormAttributeVo> allFormCustomExtendAttributeList = formVersionVo.getFormCustomExtendAttributeList();
+        if (CollectionUtils.isNotEmpty(allFormCustomExtendAttributeList)) {
+            for (FormAttributeVo formAttributeVo : allFormCustomExtendAttributeList) {
+                if (Objects.equals(formAttributeVo.getTag(), tag)) {
+                    formCustomExtendAttributeList.add(formAttributeVo);
+                }
+            }
+        }
         for (FormAttributeVo formAttributeVo : formAttributeList) {
             if (parentUuidList.contains(formAttributeVo.getUuid())) {
                 continue;
@@ -2167,6 +2176,7 @@ public class ProcessTaskServiceImpl implements ProcessTaskService, IProcessTaskC
             resultList.add(formAttributeVo);
         }
         resultList.addAll(formExtendAttributeList);
+        resultList.addAll(formCustomExtendAttributeList);
         return resultList;
     }