20220921 fix 後台匯出功能

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

         
         $res = $this->signupDb
             ->select('*');
-            
+        
         if ($keyword) {
             $res = $res->where(function($q) use ($keyword) {
                 $q->where('firstName', $keyword)
                 ->where('createDate', '<', $createDateFinal);
         }
 
-        $res = $this->signupDb
+        $result = $res
             ->get()
             ->toArray();
-        // \Log::info(print_r($res,true));
+        \Log::info(print_r($res,true));
 
         \Log::debug(print_r(DB::getQueryLog(), true));
 
         // 整理返回值並返回
-        return $res;
+        return $result;
     }
 
 }