20220920 fix 後台匯出功能

app/Http/Services/Backend/DataManagement/SignupManagementService.php

@@ -101,7 +101,7 @@ class SignupManagementService
         $res = $this->signupDb
             ->get()
             ->toArray();
-        
+        \Log::info(print_r($res,true));
         // 整理返回值並返回
         return $res;
     }