diff --git a/source/module/monitor_kernel.c b/source/module/monitor_kernel.c
index fd83158..d3447d3 100644
--- a/source/module/monitor_kernel.c
+++ b/source/module/monitor_kernel.c
@@ -51,8 +51,7 @@ static long device_ioctl(struct file *file, unsigned int ioctl_num,
   int ret = 0;
   watch_arg warg;
   ioctl_dump_param dump_param;
-  ioctl_pid wpid;
-
+  // ioctl_pid wpid;
 
   printk(KERN_INFO "variable_monitor fun: %s with ioctl_num %d\n", __FUNCTION__,
          ioctl_num);
@@ -72,19 +71,18 @@ static long device_ioctl(struct file *file, unsigned int ioctl_num,
       start_watch_variable(warg);
       break;
     case 1:
-      printk(KERN_INFO "variable_monitor 1\n");
+      printk(KERN_INFO "variable_monitor ioctl_num 1\n");
       ret = copy_from_user(&dump_param, (ioctl_dump_param *)ioctl_param,
                            sizeof(ioctl_dump_param));
-      printk(KERN_INFO "variable_monitor 2\n");
       printk(KERN_INFO "dump_param: %p %lu %p\n", dump_param.user_ptr_len, dump_param.user_buf_len, dump_param.user_buf);
       if (!ret) {
-        printk(KERN_INFO "ret\n");
+        // printk(KERN_INFO "ret\n");
         ret = copy_to_user_variant_buffer(
             &load_monitor_variant_buffer, dump_param.user_ptr_len,
             dump_param.user_buf, dump_param.user_buf_len);
         // printk(KERN_INFO "ret %d, %lu\n", ret, dump_param.user_buf_len);
       }
-      printk(KERN_INFO "copy_to_user \n");
+      printk(KERN_INFO "copy_to_user_variant_buffer \n");
       break;
     // case 0:
     //   printk(KERN_INFO "variable_monitor test 2\n");
diff --git a/source/module/monitor_trace.c b/source/module/monitor_trace.c
index b5cebe0..5a68cb5 100644
--- a/source/module/monitor_trace.c
+++ b/source/module/monitor_trace.c
@@ -277,7 +277,7 @@ static int diagnose_task_raw_stack_remote(struct task_struct *tsk, void *to,
   ret = orig_access_remote_vm(mm, (unsigned long)from, to, n, 0);
   mmput(mm);
 
-  printk("task_raw_stack_remote %d access_remote_vm ret: %d\n", tsk->pid, ret);
+  // printk("task_raw_stack_remote %d access_remote_vm ret: %d\n", tsk->pid, ret);
 
   return ret < 0 ? ret : 0;
 }
@@ -493,7 +493,7 @@ void diag_task_raw_stack(struct task_struct *tsk, raw_stack_detail *detail) {
       ret = diagnose_task_raw_stack_remote(
           tsk, stack, (void __user *)sp + detail->stack_size, 1024);
     }
-    printk("diag_task_raw_stack %d i:%d ret:%d\n", tsk->pid, i, ret);
+    // printk("diag_task_raw_stack %d i:%d ret:%d\n", tsk->pid, i, ret);
     if (ret)
       break;
     else