diff --git a/execve_intercept.c b/execve_intercept.c
index f4dbf88..04ba7ef 100644
--- a/execve_intercept.c
+++ b/execve_intercept.c
@@ -4,6 +4,7 @@
 #include <errno.h>  // 添加 errno 相关定义
 #include <fcntl.h>
 #include <json-c/json.h>
+#include <pty.h>
 #include <signal.h>   // 添加 SIGCHLD 相关定义
 #include <stdbool.h>  // 引入 bool 类型
 #include <stdio.h>
@@ -15,13 +16,22 @@
 #include <sys/stat.h>
 #include <time.h>
 #include <unistd.h>
-#include <pty.h>
 
 #ifdef DEBUG
 
-#define DEBUG_LOG(fmt, ...)                                              \
-    fprintf(stderr, "[DEBUG] %s:%d:%s(): " fmt "\n", __FILE__, __LINE__, \
-            __func__, ##__VA_ARGS__)
+// getpid要用到
+#include <execinfo.h>
+#include <unistd.h>
+
+void print_stacktrace() {
+    void *buffer[100];
+    int size = backtrace(buffer, 100);  // 注意这里是 void ** 和 int 参数
+    backtrace_symbols_fd(buffer, size, STDERR_FILENO);
+}
+
+#define DEBUG_LOG(fmt, ...)                                            \
+    fprintf(stderr, "[DEBUG][PID %d] %s:%d:%s(): " fmt "\n", getpid(), \
+            __FILE__, __LINE__, __func__, ##__VA_ARGS__)
 #else
 
 #define DEBUG_LOG(fmt, ...) ((void)0)
@@ -290,7 +300,7 @@ void load_config_if_needed() {
 // 复制 stdout/stderr 到日志文件，同时保留终端颜色
 void duplicate_output_to_log() {
     DEBUG_LOG("Duplicating stdout/stderr to log file: %s", LOG_OUT_FILE);
-    
+
     int log_fd = open(LOG_OUT_FILE, O_WRONLY | O_CREAT | O_APPEND, 0644);
     if (log_fd == -1) {
         perror("Failed to open log file");
@@ -338,8 +348,7 @@ void duplicate_output_to_log() {
 
     while ((n = read(master_fd, buffer, sizeof(buffer))) > 0) {
         // 检查错误
-        if (memmem(buffer, n, "error", 5) ||
-            memmem(buffer, n, "Error", 5) ||
+        if (memmem(buffer, n, "error", 5) || memmem(buffer, n, "Error", 5) ||
             memmem(buffer, n, "ERROR", 5)) {
             has_error = 1;
         }
@@ -427,13 +436,15 @@ int execve(const char *filename, char *const argv[], char *const envp[]) {
                 char input = getchar();
                 if (input != 'Y' && input != 'y') {
                     printf("\nExecution cancelled.\n");
-                    return -1;
+                    exit(EXIT_FAILURE);
+                    // return -1;
                 }
                 printf("\nContinuing execution...\n");
             } else if (strcmp(shared_config->rules[i].type, "error") == 0) {
                 printf(ANSI_COLOR_RED "[Error] %s" ANSI_COLOR_RESET "\n",
                        shared_config->rules[i].msg);
-                return -1;
+                exit(EXIT_FAILURE);
+                // return -1;
             }
             break;
         }
@@ -490,6 +501,10 @@ __attribute__((destructor)) static void cleanup_shared_memory() {
         }
         shared_config = NULL;
     }
+#ifdef DEBUG
+    print_stacktrace();
+#endif
+
     // if (log_fd != -1) {
     //     DEBUG_LOG("Closing log file descriptor.");
     //     close(log_fd);
diff --git a/intercept.so b/intercept.so
index 0dad944..7dc80e5 100755
Binary files a/intercept.so and b/intercept.so differ