修复登录问题

application/admin/controller/Login.php

@@ -68,6 +68,7 @@ class Login extends Controller
     {
         session(null);
         cookie(null);
+        (new SingleSign())->clear();
         $this->redirect('/login');
     }
 

application/admin/controller/SingleSign.php

@@ -92,4 +92,11 @@ class SingleSign {
 
         }
     }
+
+    public function clear($prex = 'PHPREDIS_SESSION:'){
+        $sid = Cookie::get('PHPSESSID');
+        $sid = $prex.$sid;
+        if($this->instence->set($sid,'')) return true;
+        return false;
+    }
 }
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