diff --git a/saber3/src/api/workflow/index.js b/saber3/src/api/workflow/index.js
index 6dfcf8f..4358438 100644
--- a/saber3/src/api/workflow/index.js
+++ b/saber3/src/api/workflow/index.js
@@ -17,14 +17,17 @@ export const getProcessTypes = () => {
  */
 export const getTodoList = (current, size, params) => {
   const { keyWord, processName, processId, userCode, ...rest } = params;
+  const zcProcessQueryTask = JSON.stringify({
+    keyWord: keyWord || '',
+    processName: processName || '',
+    processId: processId || '',
+    userCode: userCode || '',
+  });
   const queryParams = {
     ...rest,
     pageNo: current,
     pageSize: size,
-    'zcProcessQueryTask.keyWord': keyWord || '',
-    'zcProcessQueryTask.processName': processName || '',
-    'zcProcessQueryTask.processId': processId || '',
-    'zcProcessQueryTask.userCode': userCode || '',
+    zcProcessQueryTask,
   };
   console.log('[getTodoList] request params:', queryParams);
   return request({