修复syskey为空错误

app/middleware/AuthAdmin.php

@@ -11,7 +11,7 @@ class AuthAdmin
         $islogin = false;
         $cookie = cookie('admin_token');
         if($cookie){
-            $token=authcode($cookie, 'DECODE', config_get('syskey'));
+            $token=authcode($cookie, 'DECODE', config_get('syskey', ''));
             if($token){
                 list($user, $sid, $expiretime) = explode("\t", $token);
                 $session=md5(config_get('admin_username').config_get('admin_password'));

app/middleware/AuthUser.php

@@ -13,7 +13,7 @@ class AuthUser
         $cookie = cookie('user_token');
         $user = null;
         if($cookie){
-            $token=authcode($cookie, 'DECODE', config_get('syskey'));
+            $token=authcode($cookie, 'DECODE', config_get('syskey', ''));
             if($token){
                 list($uid, $sid, $expiretime) = explode("\t", $token);
                 $user = Db::name('user')->where('id', $uid)->find();

app/middleware/LoadConfig.php

@@ -5,6 +5,8 @@ namespace app\middleware;
 
 use think\facade\Db;
 use think\facade\Config;
+use think\facade\Cache;
+use think\helper\Str;
 
 class LoadConfig
 {
@@ -22,6 +24,12 @@ class LoadConfig
         }
 
         $res = Db::name('config')->cache('configs',0)->column('value','key');
+        if (empty($res['syskey'])) {
+            $syskey = Str::random(16);
+            config_set('syskey', $syskey);
+            Cache::delete('configs');
+            $res['syskey'] = $syskey;
+        }
         Config::set($res, 'sys');
 
         return $next($request);