修复安装数据库报错

app/api/controller/Install.php

@@ -12,6 +12,7 @@ use ba\Filesystem;
 use app\common\controller\Api;
 use app\admin\model\Admin as AdminModel;
 use app\admin\model\User as UserModel;
+use app\process\Monitor;
 use support\Response;
 use Webman\Http\Request;
 use Phinx\Config\Config as PhinxConfig;
@@ -428,6 +429,20 @@ class Install extends Api
             ]);
         }
 
+        // Windows 下 php windows.php 会每秒检测监控目录；写入 config/.env 等会触发 taskkill 整进程，导致 POST 被中断（ERR_CONNECTION_RESET）
+        Monitor::pause();
+        try {
+            return $this->baseConfigPost($request, $envOk, $rootPath, $migrateCommand);
+        } finally {
+            Monitor::resume();
+        }
+    }
+
+    /**
+     * 系统基础配置 POST：写入配置并执行迁移
+     */
+    private function baseConfigPost(Request $request, bool $envOk, string $rootPath, string $migrateCommand): Response
+    {
         $connectData = $databaseParam = $request->only(['hostname', 'username', 'password', 'hostport', 'database', 'prefix']);
 
         // 数据库配置测试
@@ -455,6 +470,9 @@ class Install extends Api
             return "\$env('database.{$key}', '" . addslashes($value) . "')";
         };
         $dbConfigText = preg_replace_callback("/\\\$env\('database\.(hostname|database|username|password|hostport|prefix)',\s*'[^']*'\)/", $callback, $dbConfigContent);
+        if ($dbConfigText === null) {
+            return $this->error(__('Failed to update database config file:%s', ['config/' . self::$dbConfigFileName]));
+        }
         $result       = @file_put_contents($dbConfigFile, $dbConfigText);
         if (!$result) {
             return $this->error(__('File has no write permission:%s', ['config/' . self::$dbConfigFileName]));