diff --git a/app/Utilities/TeamSystemDatabaseProfile.php b/app/Utilities/TeamSystemDatabaseProfile.php
index 27e2704e..f4cbaeca 100644
--- a/app/Utilities/TeamSystemDatabaseProfile.php
+++ b/app/Utilities/TeamSystemDatabaseProfile.php
@@ -17,10 +17,24 @@ class TeamSystemDatabaseProfile
 
     private const ITERATIONS = 210000;
 
+    /**
+     * 团队固定连接资料的加密版本。
+     *
+     * 这里不包含数据库密码；系统数据库密码既用于解锁资料，也作为实际
+     * 登录密码。资料必须保留在代码层，避免旧容器的 Laravel 配置缓存
+     * 缺少新配置项时把新人挡在连接页面。
+     */
+    private const EMBEDDED_PROFILE = 'eyJ2IjoxLCJzYWx0IjoiMUNLdmVsREk4d3NBTTdUZGJsSDYydz09IiwiaXYiOiJaYW93YUM4YXYwZXMwd1oxIiwidGFnIjoiWUtpM3dJMXArZW1PY3Q0ZDlhaFF3Zz09IiwiZGF0YSI6ImxUaXZKZHVpVkF2R2RWM3Znd3hDVHViSVhKMFMzWWFwK1B3QUtcLzkyYm0wZnMzR05jZjZ2ZE5yeXZGbnlNelQ3d3JPbXNlc1B0MFpieWJhcDhkMktKMmZjb0lrZnRUdTBET1laZXc0VnFhRW5KR1VKQlNpaXZ5NXpYVmFVTWtLZnVMenNWNHEwZXc9PSJ9';
+
     public function __construct(private readonly ?string $encodedProfile = null)
     {
     }
 
+    public static function embeddedProfile(): string
+    {
+        return self::EMBEDDED_PROFILE;
+    }
+
     public function settings(string $password): array
     {
         if ($password === '') {
@@ -78,14 +92,10 @@ class TeamSystemDatabaseProfile
     {
         $profile = trim((string) (
             $this->encodedProfile
-            ?? config('system_database.team_profile', '')
+            ?? config('system_database.team_profile')
         ));
 
-        if ($profile === '') {
-            throw new RuntimeException('团队系统数据库连接资料尚未安装，请联系负责人更新代码。');
-        }
-
-        return $profile;
+        return $profile !== '' ? $profile : self::EMBEDDED_PROFILE;
     }
 
     private function decrypt(string $encodedProfile, string $password): array
diff --git a/config/system_database.php b/config/system_database.php
index 580559a3..d77701cc 100644
--- a/config/system_database.php
+++ b/config/system_database.php
@@ -23,6 +23,6 @@ return [
     */
     'team_profile' => env(
         'TEAM_SYSTEM_DATABASE_PROFILE',
-        'eyJ2IjoxLCJzYWx0IjoiMUNLdmVsREk4d3NBTTdUZGJsSDYydz09IiwiaXYiOiJaYW93YUM4YXYwZXMwd1oxIiwidGFnIjoiWUtpM3dJMXArZW1PY3Q0ZDlhaFF3Zz09IiwiZGF0YSI6ImxUaXZKZHVpVkF2R2RWM3Znd3hDVHViSVhKMFMzWWFwK1B3QUtcLzkyYm0wZnMzR05jZjZ2ZE5yeXZGbnlNelQ3d3JPbXNlc1B0MFpieWJhcDhkMktKMmZjb0lrZnRUdTBET1laZXc0VnFhRW5KR1VKQlNpaXZ5NXpYVmFVTWtLZnVMenNWNHEwZXc9PSJ9'
+        \App\Utilities\TeamSystemDatabaseProfile::embeddedProfile()
     ),
 ];
diff --git a/tests/Feature/SystemSettings/UpstreamDatabasesTest.php b/tests/Feature/SystemSettings/UpstreamDatabasesTest.php
index 775e6716..3f673907 100644
--- a/tests/Feature/SystemSettings/UpstreamDatabasesTest.php
+++ b/tests/Feature/SystemSettings/UpstreamDatabasesTest.php
@@ -345,7 +345,10 @@ class UpstreamDatabasesTest extends FeatureTestCase
 
     public function test_wrong_system_database_password_stays_on_the_form(): void
     {
-        config(['system_database.mode' => 'bootstrap']);
+        config([
+            'system_database.mode' => 'bootstrap',
+            'system_database.team_profile' => null,
+        ]);
         $this->withExceptionHandling();
 
         $this->loginAs()
diff --git a/tests/Unit/Utilities/TeamSystemDatabaseProfileTest.php b/tests/Unit/Utilities/TeamSystemDatabaseProfileTest.php
index e2081d61..043946ce 100644
--- a/tests/Unit/Utilities/TeamSystemDatabaseProfileTest.php
+++ b/tests/Unit/Utilities/TeamSystemDatabaseProfileTest.php
@@ -43,4 +43,24 @@ class TeamSystemDatabaseProfileTest extends TestCase
 
         (new TeamSystemDatabaseProfile($encoded))->settings('wrong-password');
     }
+
+    public function test_missing_cached_config_uses_embedded_profile(): void
+    {
+        config(['system_database.team_profile' => null]);
+
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('系统数据库密码不正确，请重新输入。');
+
+        (new TeamSystemDatabaseProfile())->settings('wrong-password');
+    }
+
+    public function test_empty_cached_config_uses_embedded_profile(): void
+    {
+        config(['system_database.team_profile' => '']);
+
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage('系统数据库密码不正确，请重新输入。');
+
+        (new TeamSystemDatabaseProfile())->settings('wrong-password');
+    }
 }