diff --git a/cloud-task-server/src/main/java/com/muyu/task/server/controller/TaskInfoController.java b/cloud-task-server/src/main/java/com/muyu/task/server/controller/TaskInfoController.java
index cb9d64e..df8855e 100644
--- a/cloud-task-server/src/main/java/com/muyu/task/server/controller/TaskInfoController.java
+++ b/cloud-task-server/src/main/java/com/muyu/task/server/controller/TaskInfoController.java
@@ -95,7 +95,7 @@ public class TaskInfoController {
 
     @PostMapping("/updateByJson/{id}/{json}")
     @Operation(summary = "修改任务Json", description = "修改任务Json")
-    public Result updateByJson(@PathVariable("id") Long id ,@PathVariable("json") Long json) {
+    public Result updateByJson(@PathVariable("id") Long id ,@PathVariable("json") String json) {
         UpdateWrapper<TaskInfo> wrapper = new UpdateWrapper<>();
         wrapper.eq("id",id);
         wrapper.set("json",json);