diff --git a/api.hyungi.net/controllers/dailyWorkReportController.js b/api.hyungi.net/controllers/dailyWorkReportController.js
index 3973e7e..e174a91 100644
--- a/api.hyungi.net/controllers/dailyWorkReportController.js
+++ b/api.hyungi.net/controllers/dailyWorkReportController.js
@@ -1,73 +1,69 @@
 // controllers/dailyWorkReportController.js - 권한별 전체 조회 지원 버전
 const dailyWorkReportModel = require('../models/dailyWorkReportModel');
 const dailyWorkReportService = require('../services/dailyWorkReportService');
+const { ApiError, asyncHandler, handleDatabaseError, handleNotFoundError } = require('../utils/errorHandler');
+const { validateSchema, schemas } = require('../utils/validator');
 
 /**
  * 📝 작업보고서 생성 (V2 - Service Layer 사용)
  */
-const createDailyWorkReport = async (req, res) => {
+const createDailyWorkReport = asyncHandler(async (req, res) => {
+  const reportData = {
+    ...req.body,
+    created_by: req.user?.user_id || req.user?.id,
+    created_by_name: req.user?.name || req.user?.username || '알 수 없는 사용자'
+  };
+
+  // 스키마 기반 유효성 검사
+  validateSchema(reportData, schemas.createDailyWorkReport);
+
   try {
-    const reportData = {
-      ...req.body,
-      created_by: req.user?.user_id || req.user?.id,
-      created_by_name: req.user?.name || req.user?.username || '알 수 없는 사용자'
-    };
-
     const result = await dailyWorkReportService.createDailyWorkReportService(reportData);
-
-    res.status(201).json({
-      success: true,
-      timestamp: new Date().toISOString(),
-      ...result
-    });
-
+    
+    res.created(result, '작업보고서가 성공적으로 생성되었습니다.');
   } catch (error) {
     console.error('💥 작업보고서 생성 컨트롤러 오류:', error.message);
-    res.status(400).json({ 
-      success: false,
-      error: '작업보고서 생성에 실패했습니다.',
-      details: error.message 
-    });
+    throw new ApiError('작업보고서 생성에 실패했습니다.', 400);
   }
-};
+});
 
 /**
  * 📊 기여자별 요약 조회 (새로운 기능)
  */
-const getContributorsSummary = (req, res) => {
+const getContributorsSummary = asyncHandler(async (req, res) => {
   const { date, worker_id } = req.query;
 
   if (!date || !worker_id) {
-    return res.status(400).json({ 
-      error: 'date와 worker_id가 필요합니다.',
-      example: 'date=2024-06-16&worker_id=1'
-    });
+    throw new ApiError('date와 worker_id가 필요합니다.', 400);
   }
 
   console.log(`📊 기여자별 요약 조회: date=${date}, worker_id=${worker_id}`);
 
-  dailyWorkReportModel.getContributorsByDate(date, worker_id, (err, data) => {
-    if (err) {
-      console.error('기여자별 요약 조회 오류:', err);
-      return res.status(500).json({ 
-        error: '기여자별 요약 조회 중 오류가 발생했습니다.',
-        details: err.message 
+  try {
+    const data = await new Promise((resolve, reject) => {
+      dailyWorkReportModel.getContributorsByDate(date, worker_id, (err, data) => {
+        if (err) reject(err);
+        else resolve(data);
       });
-    }
+    });
     
     const totalHours = data.reduce((sum, contributor) => sum + parseFloat(contributor.total_hours || 0), 0);
     
     console.log(`📊 기여자별 요약: ${data.length}명, 총 ${totalHours}시간`);
-    res.json({
+    
+    const result = {
       date,
       worker_id,
       contributors: data,
       total_contributors: data.length,
-      grand_total_hours: totalHours,
-      timestamp: new Date().toISOString()
-    });
-  });
-};
+      grand_total_hours: totalHours
+    };
+    
+    res.success(result, '기여자별 요약 조회 성공');
+  } catch (err) {
+    handleDatabaseError(err, '기여자별 요약 조회');
+  }
+});
 
 /**
  * 📊 개인 누적 현황 조회 (새로운 기능)