diff --git a/index.php b/index.php
index 4839d3b..cf9fe8e 100644
--- a/index.php
+++ b/index.php
@@ -32,6 +32,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $phone = $vip_customer['phone'];
             // #region agent log
             $log_data = json_encode(['location' => 'index.php:28', 'message' => 'VIP customer data', 'data' => ['vip_id' => $vip_id, 'has_car_model' => isset($vip_customer['car_model']), 'has_car_number' => isset($vip_customer['car_number'])], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'A']);
+            // 确保日志目录存在
+            $log_dir = '.cursor';
+            if (!file_exists($log_dir)) {
+                mkdir($log_dir, 0777, true);
+            }
             file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
             // #endregion
             // VIP客户信息优先，但允许通过POST覆盖（如果用户想修改）
@@ -116,6 +121,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         // 两个时间段重叠的条件：现有预约的开始时间 < 新预约的结束时间 AND 现有预约的结束时间 > 新预约的开始时间
         // #region agent log
         $log_data = json_encode(['location' => 'index.php:98', 'message' => 'Checking time conflict', 'data' => ['start_time' => $start_time, 'end_time' => $end_time, 'duration' => $duration], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'F']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         $stmt = $pdo->prepare("SELECT COUNT(*) FROM bookings 
@@ -126,6 +136,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $conflict_count = $stmt->fetchColumn();
         // #region agent log
         $log_data = json_encode(['location' => 'index.php:107', 'message' => 'Time conflict check result', 'data' => ['conflict_count' => $conflict_count], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'F']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         
@@ -216,6 +231,11 @@ foreach ($all_bookings as $booking) {
     
     // #region agent log
     $log_data = json_encode(['location' => 'index.php:196', 'message' => 'Checking cross-day booking', 'data' => ['booking_date' => $booking_date, 'start_time' => $booking_start_time, 'end_time' => $booking_end_time, 'start_ts' => $start_timestamp, 'end_ts' => $end_timestamp], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'G']);
+    // 确保日志目录存在
+    $log_dir = '.cursor';
+    if (!file_exists($log_dir)) {
+        mkdir($log_dir, 0777, true);
+    }
     file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
     // #endregion
     
diff --git a/process_booking.php b/process_booking.php
index ad6526b..d50c01f 100644
--- a/process_booking.php
+++ b/process_booking.php
@@ -3,6 +3,11 @@
 require_once 'db_connect.php';
 // #region agent log
 $log_data = json_encode(['location' => 'process_booking.php:3', 'message' => 'Database connection check', 'data' => ['has_pdo' => isset($pdo), 'using_db_connect' => true], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'D']);
+// 确保日志目录存在
+$log_dir = '.cursor';
+if (!file_exists($log_dir)) {
+    mkdir($log_dir, 0777, true);
+}
 file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
 // #endregion
 
@@ -108,6 +113,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         
         // #region agent log
         $log_data = json_encode(['location' => 'process_booking.php:70', 'message' => 'Time conversion', 'data' => ['booking_date' => $booking_date, 'time_slot' => $time_slot, 'start_time' => $start_time, 'end_time' => $end_time, 'duration' => $duration], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'E']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         
@@ -136,6 +146,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         // 两个时间段重叠的条件：现有预约的开始时间 < 新预约的结束时间 AND 现有预约的结束时间 > 新预约的开始时间
         // #region agent log
         $log_data = json_encode(['location' => 'process_booking.php:100', 'message' => 'Checking time conflict', 'data' => ['start_time' => $start_time, 'end_time' => $end_time], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'H']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         $stmt = $pdo->prepare("SELECT COUNT(*) FROM bookings 
@@ -146,6 +161,11 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $conflict_count = $stmt->fetchColumn();
         // #region agent log
         $log_data = json_encode(['location' => 'process_booking.php:110', 'message' => 'Time conflict check result', 'data' => ['conflict_count' => $conflict_count], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'H']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         
diff --git a/update_booking.php b/update_booking.php
index d964a09..31ecdbd 100644
--- a/update_booking.php
+++ b/update_booking.php
@@ -64,12 +64,22 @@ try {
         // 计算新的持续时间（分钟）
         // #region agent log
         $log_data = json_encode(['location' => 'update_booking.php:65', 'message' => 'Calculating duration', 'data' => ['start_time' => $new_start_time, 'end_time' => $new_end_time], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'C']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         $interval = $start_dt->diff($end_dt);
         $duration = ($interval->days * 24 * 60) + ($interval->h * 60) + $interval->i;
         // #region agent log
         $log_data = json_encode(['location' => 'update_booking.php:67', 'message' => 'Duration calculated', 'data' => ['duration' => $duration, 'days' => $interval->days, 'hours' => $interval->h, 'minutes' => $interval->i], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'C']);
+        // 确保日志目录存在
+        $log_dir = '.cursor';
+        if (!file_exists($log_dir)) {
+            mkdir($log_dir, 0777, true);
+        }
         file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
         // #endregion
         
diff --git a/vip.php b/vip.php
index 22adb4b..7210fab 100644
--- a/vip.php
+++ b/vip.php
@@ -416,6 +416,11 @@ try {
                             // 查询所有可用的洗车套餐
                             // #region agent log
                             $log_data = json_encode(['location' => 'vip.php:417', 'message' => 'Loading packages', 'data' => ['using_pdo' => isset($pdo), 'using_conn' => isset($conn)], 'timestamp' => time() * 1000, 'sessionId' => 'debug-session', 'runId' => 'run1', 'hypothesisId' => 'B']);
+                            // 确保日志目录存在
+                            $log_dir = '.cursor';
+                            if (!file_exists($log_dir)) {
+                                mkdir($log_dir, 0777, true);
+                            }
                             file_put_contents('.cursor/debug.log', $log_data . "\n", FILE_APPEND);
                             // #endregion
                             try {