diff --git a/source/ucli/ucli.cc b/source/ucli/ucli.cc
index 1a98843..5a8e556 100644
--- a/source/ucli/ucli.cc
+++ b/source/ucli/ucli.cc
@@ -2,9 +2,17 @@
  * various_monitor cli 命令行工具
  */
 #include "ucli.h"
+#include <cstdio>
 #include <getopt.h>
 #include <string.h>
-#include <cstdio>
+
+#include <sys/ioctl.h> // for ioctl
+#include <unistd.h>
+
+// ioctl
+// !todo move to a header file
+#define IOCTL_MAGIC_NUMBER 'k'
+#define IOCTL_PID _IOWR(IOCTL_MAGIC_NUMBER, 2, int)
 
 static int task_info_extract(void *buf, unsigned int len, void *) {
   int *et_type;
@@ -32,8 +40,8 @@ static int task_info_extract(void *buf, unsigned int len, void *) {
                  .name, // Assuming name is a null-terminated string
              vm_record->threshold_record[i].ptr,
              vm_record->threshold_record[i].threshold
-            //  vm_record->threshold_record[i].true_value
-             );
+             //  vm_record->threshold_record[i].true_value
+      );
     }
     break;
   case VARIABLE_MONITOR_TASK_TYPE:
@@ -49,9 +57,11 @@ static int task_info_extract(void *buf, unsigned int len, void *) {
     printk_task_brief(&tsk_info->task);
     // diag_printf_raw_stack(tsk_info->task.tgid, tsk_info->task.container_tgid,
     //                       tsk_info->task.comm, &tsk_info->raw_stack);
-	printf("run_in_host: %d\n", run_in_host);
-    diag_printf_raw_stack(run_in_host ? tsk_info->task.tgid : tsk_info->task.container_tgid, tsk_info->task.container_tgid,
-                          tsk_info->task.comm, &tsk_info->raw_stack);
+    printf("run_in_host: %d\n", run_in_host);
+    diag_printf_raw_stack(run_in_host ? tsk_info->task.tgid
+                                      : tsk_info->task.container_tgid,
+                          tsk_info->task.container_tgid, tsk_info->task.comm,
+                          &tsk_info->raw_stack);
     diag_printf_kern_stack(&tsk_info->kern_stack);
 
     printf("#*        0xffffffffffffff %s (UNKNOWN)\n", tsk_info->task.comm);
@@ -71,7 +81,7 @@ static void do_extract(char *buf, int len) {
 }
 
 static void do_dump(const char *arg) {
-  //!todo
+  //! todo
   static char variant_buf[256 * 1024 * 1024];
   int len;
   int ret = 0;
@@ -93,13 +103,38 @@ static void do_dump(const char *arg) {
   }
 }
 
+static void do_pid(char *arg) {
+  int pid = 0;
+  int ret;
+
+  sscanf(optarg, "%d", &pid);
+  if (pid <= 0) {
+    printf("参数错误\n");
+    return;
+  }
+  printf("获取线程信息: %d\n", pid);
+  ret = diag_call_ioctl(IOCTL_PID, (long)&pid);
+  if (ret) {
+    printf("获取线程信息错误： %d\n", ret);
+  }
+  sleep(3);
+
+  do_dump("");
+}
+
 int main(int argc, char *argv[]) {
   run_in_host = check_in_host();
 
-  static const struct option long_options[] = {{"help", no_argument, 0, 0},
-                                               {"report", no_argument, 0, 0},
-                                               {"pid", required_argument, 0, 0},
-                                               {0, 0, 0, 0}};
+  for (int i = 0; i < argc; i++){
+    printf("argv[%d]: %s\n", i, argv[i]);
+  }
+
+  static const struct option long_options[] = {
+      {"help", no_argument, 0, 0},
+      {"report", no_argument, 0, 0},
+      {"pid", required_argument, 0, 0},
+      {"tgid", required_argument, 0, 0},
+      {0, 0, 0, 0}};
   int c;
 
   if (argc <= 1) {
@@ -116,7 +151,7 @@ int main(int argc, char *argv[]) {
       break;
     }
 
-    option_index = 1;
+    option_index = 2;
 
     switch (option_index) {
     case 0: // help
@@ -125,6 +160,9 @@ int main(int argc, char *argv[]) {
     case 1: // report
       do_dump(optarg ? optarg : "");
       break;
+    case 2: // pid
+      do_pid(optarg);
+      break;
     default:
       // usage_pupil();
       break;