diff --git a/backend/diary/migrations/0007_comment_creativity_comment_efficiency_and_more.py b/backend/diary/migrations/0007_comment_creativity_comment_efficiency_and_more.py
new file mode 100644
index 0000000..afbd664
--- /dev/null
+++ b/backend/diary/migrations/0007_comment_creativity_comment_efficiency_and_more.py
@@ -0,0 +1,43 @@
+# Generated by Django 4.2.11 on 2026-04-14 12:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('diary', '0006_comment_score'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='comment',
+            name='creativity',
+            field=models.IntegerField(blank=True, help_text='1-10 分', null=True, verbose_name='创新性'),
+        ),
+        migrations.AddField(
+            model_name='comment',
+            name='efficiency',
+            field=models.IntegerField(blank=True, help_text='1-10 分', null=True, verbose_name='效率'),
+        ),
+        migrations.AddField(
+            model_name='comment',
+            name='learning',
+            field=models.IntegerField(blank=True, help_text='1-10 分', null=True, verbose_name='学习价值'),
+        ),
+        migrations.AddField(
+            model_name='comment',
+            name='quality',
+            field=models.IntegerField(blank=True, help_text='1-10 分', null=True, verbose_name='完成质量'),
+        ),
+        migrations.AlterField(
+            model_name='comment',
+            name='content',
+            field=models.TextField(blank=True, default='', verbose_name='批注内容'),
+        ),
+        migrations.AlterField(
+            model_name='comment',
+            name='score',
+            field=models.IntegerField(blank=True, help_text='1-10 分', null=True, verbose_name='综合评分'),
+        ),
+    ]
diff --git a/backend/diary/models.py b/backend/diary/models.py
index fd6f198..f9199e4 100755
--- a/backend/diary/models.py
+++ b/backend/diary/models.py
@@ -103,8 +103,15 @@ class Comment(models.Model):
 
     content_type = models.CharField('内容类型', max_length=20, choices=CONTENT_TYPE_CHOICES)
     object_id = models.IntegerField('内容 ID')
-    content = models.TextField('批注内容')
-    score = models.IntegerField('评分', null=True, blank=True, help_text='1-10 分')
+    content = models.TextField('批注内容', blank=True, default='')
+    score = models.IntegerField('综合评分', null=True, blank=True, help_text='1-10 分')
+    
+    # 多维度评分
+    quality = models.IntegerField('完成质量', null=True, blank=True, help_text='1-10 分')
+    efficiency = models.IntegerField('效率', null=True, blank=True, help_text='1-10 分')
+    creativity = models.IntegerField('创新性', null=True, blank=True, help_text='1-10 分')
+    learning = models.IntegerField('学习价值', null=True, blank=True, help_text='1-10 分')
+    
     created_by = models.CharField('创建者', max_length=100, default='北极星')
     created_at = models.DateTimeField('创建时间', auto_now_add=True)
 
@@ -114,8 +121,7 @@ class Comment(models.Model):
         verbose_name_plural = '批注'
 
     def __str__(self):
-        score_text = f' | {self.score}分' if self.score else ''
-        return f"{self.content_type} #{self.object_id} - {self.created_by}{score_text}"
+        return f"{self.content_type} #{self.object_id} - {self.created_by}"
 
 
 class Task(models.Model):
diff --git a/backend/diary/serializers.py b/backend/diary/serializers.py
index a5e4824..e161c95 100755
--- a/backend/diary/serializers.py
+++ b/backend/diary/serializers.py
@@ -8,7 +8,11 @@ class CommentSerializer(serializers.ModelSerializer):
         read_only_fields = ['created_at']
         extra_kwargs = {
             'content': {'required': False},
-            'score': {'required': False}
+            'score': {'required': False},
+            'quality': {'required': False},
+            'efficiency': {'required': False},
+            'creativity': {'required': False},
+            'learning': {'required': False}
         }
 
 class ExperienceSerializer(serializers.ModelSerializer):