diff --git a/fix_env.php b/fix_env.php
index cf2202f..b2fa317 100644
--- a/fix_env.php
+++ b/fix_env.php
@@ -1,69 +1,61 @@
 <?php
-/**
- * Server Environment Fixer & Probe
- * This script helps diagnose and fix DB connection issues on the server.
- */
-
 header('Content-Type: text/plain; charset=utf-8');
-
-echo "=== Server Environment Probe ===\n";
-echo "PHP Version: " . PHP_VERSION . "\n";
+echo "=== Production Server Environment Probe ===\n";
 echo "Current Directory: " . __DIR__ . "\n";
-echo "Hostname: " . gethostname() . "\n";
 
 $envPath = __DIR__ . '/.env';
-echo "Checking .env at: $envPath\n";
-
 if (file_exists($envPath)) {
-    echo ".env exists.\n";
-    $content = file_get_contents($envPath);
-    echo "--- .env Content (masked) ---\n";
-    foreach (explode("\n", $content) as $line) {
-        if (trim($line) === '') continue;
-        if (strpos($line, 'DB_PASS') !== false) {
-            echo "DB_PASS=********\n";
-        } else {
-            echo $line . "\n";
-        }
-    }
+    echo ".env file found.\n";
 } else {
-    echo ".env DOES NOT EXIST.\n";
+    echo ".env file NOT found. Using defaults.\n";
 }
 
-echo "\n=== Database Connection Test ===\n";
+echo "\n=== Testing Database Connections ===\n";
+$hosts = ['localhost', '127.0.0.1'];
+$db_name = 'chandj'; // 만약 DB명이 다르다면 이 부분을 수정해야 합니다.
+$db_user = 'root'; 
+$db_pass = 'root'; 
 
-$hosts_to_test = ['localhost', '127.0.0.1', 'mysql'];
-$db_name = 'chandj';
-$db_user = 'root'; // Usually 'root' or matches system user
-$db_pass = 'root'; // Change as needed
-
-foreach ($hosts_to_test as $host) {
-    echo "Testing host [$host]... ";
+foreach ($hosts as $host) {
+    echo "Testing [$host] with root/root... ";
     try {
         $dsn = "mysql:host=$host;dbname=$db_name;charset=utf8mb4";
         $pdo = new PDO($dsn, $db_user, $db_pass, [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
         echo "SUCCESS!\n";
         
         if (isset($_GET['fix']) && $_GET['fix'] === 'true') {
-            echo "Updating .env to use host [$host]...\n";
-            $newEnv = "APP_URL=https://sales.sam.kr/\n";
+            $newEnv = "APP_URL=https://sales.codebridge-x.com/\n";
             $newEnv .= "DB_HOST=$host\n";
             $newEnv .= "DB_NAME=$db_name\n";
             $newEnv .= "DB_USER=$db_user\n";
             $newEnv .= "DB_PASS=$db_pass\n";
             $newEnv .= "DOCUMENT_ROOT=" . str_replace('\\', '/', __DIR__) . "\n";
-            
-            if (file_put_contents($envPath, $newEnv)) {
-                echo "Successfully wrote to .env\n";
-            } else {
-                echo "FAILED to write to .env. Check permissions.\n";
-            }
+            file_put_contents($envPath, $newEnv);
+            echo "Successfully updated .env file.\n";
         }
-        break; 
     } catch (Exception $e) {
         echo "FAILED: " . $e->getMessage() . "\n";
     }
 }
 
-echo "\nUsage: Append ?fix=true to the URL to automatically create/update .env if a connection succeeds.\n";
-echo "SECURITY: DELETE THIS FILE AFTER USE!\n";
+echo "\n만약 위 테스트가 모두 실패한다면, 서버의 실제 DB 정보를 여기에 입력해 보세요:\n";
+echo "URL 예시: fix_env.php?user=사용자id&pass=비밀번호&db=db이름\n";
+
+if (isset($_GET['user'])) {
+    $u = $_GET['user'];
+    $p = $_GET['pass'] ?? '';
+    $d = $_GET['db'] ?? 'chandj';
+    echo "\nCustom Test: [$u] / [$p] on [localhost]... ";
+    try {
+        $dsn = "mysql:host=localhost;dbname=$d;charset=utf8mb4";
+        $pdo = new PDO($dsn, $u, $p, [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]);
+        echo "SUCCESS!\n";
+        if (isset($_GET['fix']) && $_GET['fix'] === 'true') {
+            $newEnv = "DB_HOST=localhost\nDB_NAME=$d\nDB_USER=$u\nDB_PASS=$p\nDOCUMENT_ROOT=" . __DIR__ . "\n";
+            file_put_contents($envPath, $newEnv);
+            echo "Updated .env with custom credentials.\n";
+        }
+    } catch (Exception $e) {
+        echo "FAILED: " . $e->getMessage() . "\n";
+    }
+}