diff --git a/backend/competition/models.py b/backend/competition/models.py
index 160d8db..2112ac1 100644
--- a/backend/competition/models.py
+++ b/backend/competition/models.py
@@ -149,10 +149,8 @@ class Project(models.Model):
         计算项目得分
         计算公式：
         1. 获取所有评委对该项目的打分
-        2. 按维度加权平均
-        这里简化处理：
-        总分 = (所有评委的总加权分之和) / 评委人数
-        其中每个评委对项目的打分 = sum(维度分 * 维度权重)
+        2. 每个评委的得分 = sum(维度分数 × 维度权重)
+        3. 项目最终得分 = 所有评委得分的平均值
         """
         # 获取所有评分
         scores = self.scores.all()
@@ -171,19 +169,12 @@ class Project(models.Model):
             # 获取该评委对该项目的所有维度打分
             judge_scores = scores.filter(judge=judge)
             
-            current_judge_total_score = 0
-            current_judge_total_weight = 0
-            
             for score in judge_scores:
-                current_judge_total_score += score.score * score.dimension.weight
-                current_judge_total_weight += score.dimension.weight
-            
-            if current_judge_total_weight > 0:
-                judge_score = current_judge_total_score / current_judge_total_weight
-                # 如果是百分制，这里算出来就是0-100
+                # 直接用原始分数乘以权重相加
+                judge_score += score.score * score.dimension.weight
             
             total_weighted_score += judge_score
-            
+        
         # 平均分
         avg_score = total_weighted_score / len(judges)
         self.final_score = avg_score
diff --git a/backend/competition/templates/judge/dashboard.html b/backend/competition/templates/judge/dashboard.html
index 5021850..9841940 100644
--- a/backend/competition/templates/judge/dashboard.html
+++ b/backend/competition/templates/judge/dashboard.html
@@ -161,6 +161,14 @@
                             <!-- Dimensions loaded via JS -->
                         </div>
                         
+                        <div id="totalScoreDisplay" class="mt-4 p-3 bg-blue-50 rounded-lg border border-blue-200">
+                            <div class="flex justify-between items-center">
+                                <span class="text-sm font-medium text-blue-800">综合得分</span>
+                                <span id="totalScoreValue" class="text-2xl font-bold text-blue-600">0</span>
+                            </div>
+                            <p class="text-xs text-blue-500 mt-1">各维度分数×权重相加，提交后计算所有评委平均值</p>
+                        </div>
+                        
                         <div class="space-y-2">
                             <label for="comment" class="block text-sm font-medium text-gray-700">评语建议</label>
                             <textarea id="comment" name="comment" rows="4" 
@@ -297,6 +305,46 @@
 {% block extra_js %}
 <script src="https://cdn.staticfile.net/marked/11.1.1/marked.min.js"></script>
 <script>
+/**
+ * 更新单个维度分数显示并计算总分
+ */
+function updateDimensionScore(dimensionId, maxScore, weight, value) {
+    // 更新分数显示
+    document.getElementById('score_val_' + dimensionId).innerText = value;
+    // 重新计算总分
+    calculateTotalScore();
+}
+
+/**
+ * 计算评委的综合得分
+ * 公式：直接用原始分数乘以权重相加 (与后端逻辑一致)
+ */
+function calculateTotalScore() {
+    const dimensionsContainer = document.getElementById('scoreDimensions');
+    const dimensionDivs = dimensionsContainer.querySelectorAll('[data-dimension-id]');
+    
+    let totalScore = 0;
+    
+    dimensionDivs.forEach(div => {
+        const weight = parseFloat(div.dataset.weight);
+        const dimensionId = div.dataset.dimensionId;
+        
+        // 获取当前分数
+        const scoreInput = document.querySelector('input[name="score_' + dimensionId + '"]');
+        if (scoreInput) {
+            const score = parseFloat(scoreInput.value) || 0;
+            // 直接用原始分数乘以权重相加
+            totalScore += score * weight;
+        }
+    });
+    
+    // 更新显示
+    const totalScoreElement = document.getElementById('totalScoreValue');
+    if (totalScoreElement) {
+        totalScoreElement.innerText = totalScore.toFixed(1);
+    }
+}
+
 /**
  * 切换 AI 总结内容的显示状态（折叠/展开）
  * 通过添加或移除 line-clamp-5 类来实现截断或完整显示，并更新按钮的文字和图标。
@@ -555,14 +603,14 @@ async function viewProject(id) {
         
         // Render Score Inputs
         const dimensionsHtml = data.dimensions.map(d => `
-            <div class="bg-white p-3 rounded-lg border border-gray-200">
+            <div class="bg-white p-3 rounded-lg border border-gray-200" data-dimension-id="${d.id}" data-max-score="${d.max_score}" data-weight="${d.weight}">
                 <div class="flex justify-between items-center mb-2">
                     <label class="text-sm font-medium text-gray-700">${d.name}</label>
-                    <span class="text-xs text-gray-500 bg-gray-100 px-2 py-0.5 rounded">权重: ${d.weight}</span>
+                    <span class="text-xs text-gray-500 bg-gray-100 px-2 py-0.5 rounded">满分: ${d.max_score} | 权重: ${d.weight}</span>
                 </div>
                 <div class="flex items-center gap-4">
                     <input type="range" min="0" max="${d.max_score}" step="1" value="${d.current_score || 0}" 
-                        oninput="document.getElementById('score_val_${d.id}').innerText = this.value"
+                        oninput="updateDimensionScore('${d.id}', '${d.max_score}', '${d.weight}', this.value)"
                         name="score_${d.id}" class="w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer accent-blue-600">
                     <div class="w-12 text-right">
                         <span id="score_val_${d.id}" class="text-lg font-bold text-blue-600">${d.current_score || 0}</span>
@@ -573,6 +621,9 @@ async function viewProject(id) {
         `).join('');
         document.getElementById('scoreDimensions').innerHTML = dimensionsHtml;
         
+        // 计算初始总分
+        calculateTotalScore();
+        
         document.getElementById('comment').value = data.current_comment || '';
         
         // Handle Grading Permission
diff --git a/backend/config/settings.py b/backend/config/settings.py
index fb4a058..d7cd9f8 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -119,16 +119,16 @@ if DB_HOST:
     }
 
 
-# DB_HOST = os.environ.get('DB_HOST', '121.43.104.161')
-# if DB_HOST:
-#     DATABASES['default'] = {
-#         'ENGINE': 'django.db.backends.postgresql',
-#         'NAME': os.environ.get('DB_NAME', 'market'),
-#         'USER': os.environ.get('DB_USER', 'market'),
-#         'PASSWORD': os.environ.get('DB_PASSWORD', '123market'),
-#         'HOST': DB_HOST,
-#         'PORT': os.environ.get('DB_PORT', '6433'),
-#     }
+DB_HOST = os.environ.get('DB_HOST', '121.43.104.161')
+if DB_HOST:
+    DATABASES['default'] = {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': os.environ.get('DB_NAME', 'market'),
+        'USER': os.environ.get('DB_USER', 'market'),
+        'PASSWORD': os.environ.get('DB_PASSWORD', '123market'),
+        'HOST': DB_HOST,
+        'PORT': os.environ.get('DB_PORT', '6433'),
+    }
 
 
 # Password validation