diff --git a/src/main/java/neatlogic/framework/process/stephandler/core/IProcessStepHandler.java b/src/main/java/neatlogic/framework/process/stephandler/core/IProcessStepHandler.java
index b13870528ed762d24cd13f781d5cc9f425ef0bbc..9c7e810aaf13d5c8f72f3a8f58163e67e1582c34 100644
--- a/src/main/java/neatlogic/framework/process/stephandler/core/IProcessStepHandler.java
+++ b/src/main/java/neatlogic/framework/process/stephandler/core/IProcessStepHandler.java
@@ -351,4 +351,14 @@ public interface IProcessStepHandler {
     default boolean isFitMobile() {
         return true;
     }
+
+    /**
+     * 禁用分派处理人，默认为false，即步骤激活的时候会执行分派处理人逻辑，如果找不到处理人，则分派到异常处理人。
+     * 如果设置为true，则不会执行分派处理人逻辑，直接进入激活成功，该步骤暂时没有处理人，步骤可以在某个时机调用IProcessStepHandler.assign()方法分派处理人。
+     * 例如：自动处理、自动化、定时、数据转换等步骤，激活时不分派处理人，在它们各自逻辑异常时，调用assign()方法分派处理人。
+     * @return
+     */
+    default boolean disableAssign() {
+        return false;
+    }
 }
diff --git a/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepHandlerBase.java b/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepHandlerBase.java
index 8d111ecfdd52fb62823c8692012197625760f196..8b0000fbee6c024f58497faeb4a1776a02531856 100644
--- a/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepHandlerBase.java
+++ b/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepHandlerBase.java
@@ -250,8 +250,16 @@ public abstract class ProcessStepHandlerBase implements IProcessStepHandler {
                 hangPostStep(currentProcessTaskStepVo);
                 resetPostStepRelIsHit(currentProcessTaskStepVo.getProcessTaskId(), currentProcessTaskStepVo.getId());
                 if (this.getMode().equals(ProcessStepMode.MT)) {
-                    /* 分配处理人 **/
-                    assign(currentProcessTaskStepVo);
+                    if (!this.disableAssign()) {
+                        /* 分配处理人 **/
+                        assign(currentProcessTaskStepVo);
+                    } else {
+                        /* 清空主处理人 **/
+                        ProcessTaskStepUserVo processTaskStepUserVo = new ProcessTaskStepUserVo();
+                        processTaskStepUserVo.setProcessTaskStepId(currentProcessTaskStepVo.getId());
+                        processTaskStepUserVo.setUserType(ProcessUserType.MAJOR.getValue());// 只删除主处理人
+                        processTaskCrossoverMapper.deleteProcessTaskStepUser(processTaskStepUserVo);
+                    }
 
                     currentProcessTaskStepVo.setIsActive(1);
                     myActive(currentProcessTaskStepVo);
@@ -1145,7 +1153,7 @@ public abstract class ProcessStepHandlerBase implements IProcessStepHandler {
         }
         //如果步骤没有开始就先自动开始
         if (ProcessTaskStepStatus.PENDING.getValue().equals(processTaskStepVo.getStatus())) {
-            this.accept(currentProcessTaskStepVo);
+//            this.accept(currentProcessTaskStepVo);
             this.start(currentProcessTaskStepVo);
         }
         this.complete(currentProcessTaskStepVo);