fix bug

apps/exams/Lib/Action/AdminPaperAction.class.php

@@ -329,7 +329,7 @@ class AdminPaperAction extends AdministratorAction
        $b = M('exams_paper')->where(['exams_paper_id' => 7])->save([
        $b = M('exams_paper')->where(['exams_paper_id' => 7])->save([
             'attachment' => '104'
             'attachment' => '104'
         ]);
         ]);
-       var_dump($b);
+       var_dump($b, M('exams_paper')->where(['exams_paper_id' => 7])->find());
         $paper    = $this->mod->getPaperById($paper_id);
         $paper    = $this->mod->getPaperById($paper_id);
         if (!$paper) {
         if (!$paper) {
             $this->jumpUrl = U('exams/AdminPaper/index');
             $this->jumpUrl = U('exams/AdminPaper/index');