diff --git a/app/task_db_func.py b/app/task_db_func.py
index 8db4f30..95d0120 100644
--- a/app/task_db_func.py
+++ b/app/task_db_func.py
@@ -40,7 +40,7 @@ class TaskDbHelper(TableDbHelperBase):
         return tasks[0]
 
     def query_task_executor(self, nodeid, area_id):
-        sql_query = "select user_name, userno from user.user where userno in (select userno from user.area_user where nodeid = '%s' and area_id = %s) and department = '信号调优团队' and state != 1" % (nodeid, area_id)
+        sql_query = "select user_name, userno, role from user.user where userno in (select userno from user.area_user where nodeid = '%s' and area_id = %s) and department = '信号调优团队' and state != 1" % (nodeid, area_id)
         executors = self.do_select(sql_query)
         if len(executors) <= 0:
             logging.error('query_task_executor is null! %s' % (sql_query))
diff --git a/app/task_worker.py b/app/task_worker.py
index bb81f7d..54f4a15 100644
--- a/app/task_worker.py
+++ b/app/task_worker.py
@@ -77,7 +77,7 @@ def do_query_task_list_parameter(params):
     for executor in executors:
         executor_list.append(executor['user_name'])
     res['data']['executor'] = executor_list
-    res['data']['usable_user_list'] = executors
+    res['data']['usable_user_list'] = [{'userno': row['userno'], 'user_name': row['user_name']} for row in executors if row['role'] != 'business_expert']
 
     #需求来源
     srcs = db_task.query_task_src(nodeid, area_id)