diff --git a/source/module/monitor_kallsyms.c b/source/module/monitor_kallsyms.c
index 412088f..9517b9b 100644
--- a/source/module/monitor_kallsyms.c
+++ b/source/module/monitor_kallsyms.c
@@ -19,9 +19,6 @@ int (*orig_access_remote_vm)(struct mm_struct *mm, unsigned long addr,
 struct task_struct *(*orig_find_task_by_vpid)(pid_t nr);
 
 
-/// @brief init kallsyms_lookup_name,all orig_fun are depend on it
-/// @param
-/// @return 0 is success
 static int fn_kallsyms_lookup_name_init(void) {
   register_kprobe(&kprobe_kallsyms_lookup_name);
   diag_kallsyms_lookup_name = (void *)kprobe_kallsyms_lookup_name.addr;
@@ -41,22 +38,21 @@ static int fn_kallsyms_lookup_name_init(void) {
  * @return int 0 is success
  */
 int init_orig_fun(void) {
-  int ret = fn_kallsyms_lookup_name_init();  // init kallsyms_lookup_name
+  int ret = fn_kallsyms_lookup_name_init(); // init kallsyms_lookup_name
 
-  if (ret)
-  {
+  if (ret) {
     printk(KERN_INFO "init kallsyms_lookup_name failed\n");
     return ret;
   }
 
-  LOOKUP_SYMS(stack_trace_save_tsk);  // stack_trace_save_tsk
-  LOOKUP_SYMS(show_stack);            // show_stack
-  LOOKUP_SYMS(idle_sched_class);      // idle_sched_class
-  LOOKUP_SYMS(access_remote_vm);      // access_remote_vm
+  LOOKUP_SYMS(stack_trace_save_tsk); // stack_trace_save_tsk
+  LOOKUP_SYMS(show_stack);           // show_stack
+  LOOKUP_SYMS(idle_sched_class);     // idle_sched_class
+  LOOKUP_SYMS(access_remote_vm);     // access_remote_vm
 
   LOOKUP_SYMS_NORET(
-      get_task_type);  // get_task_type | this fun is not available on 5.17.15
-  LOOKUP_SYMS_NORET(kernfs_name);  // kernfs_name
+      get_task_type); // get_task_type | this fun is not available on 5.17.15
+  LOOKUP_SYMS_NORET(kernfs_name); // kernfs_name
   LOOKUP_SYMS_NORET(find_task_by_vpid);
   return 0;
 }
diff --git a/source/module/monitor_kallsyms.h b/source/module/monitor_kallsyms.h
index 9df89f0..c77e7bd 100644
--- a/source/module/monitor_kallsyms.h
+++ b/source/module/monitor_kallsyms.h
@@ -34,12 +34,13 @@ extern unsigned int (*orig_stack_trace_save_tsk)(struct task_struct *task,
                                                  unsigned int size,
                                                  unsigned int skipnr);
 extern void (*orig_show_stack)(struct task_struct *task, unsigned long *sp,
-                               const char *loglvl);
-
-extern struct sched_class *orig_idle_sched_class;
+                               const char *loglvl); // output kernel stack
+extern struct sched_class *orig_idle_sched_class;   // idle process
 extern int (*orig_get_task_type)(struct sched_entity *se);
 extern int (*orig_kernfs_name)(struct kernfs_node *kn, char *buf,
-                               size_t buflen);
-extern int (*orig_access_remote_vm)(struct mm_struct *mm, unsigned long addr,
-                                    void *buf, int len, unsigned int gup_flags);
-extern struct task_struct *(*orig_find_task_by_vpid)(pid_t nr);
\ No newline at end of file
+                               size_t buflen); // get sysfs name
+extern int (*orig_access_remote_vm)(
+    struct mm_struct *mm, unsigned long addr, void *buf, int len,
+    unsigned int gup_flags); // read remote memory
+extern struct task_struct *(*orig_find_task_by_vpid)(
+    pid_t nr); // find task by pid
\ No newline at end of file