diff --git a/src/DjangoBlog/blog/management/commands/create_testdata.py b/src/DjangoBlog/blog/management/commands/create_testdata.py
index 675d2ba..ca7140b 100644
--- a/src/DjangoBlog/blog/management/commands/create_testdata.py
+++ b/src/DjangoBlog/blog/management/commands/create_testdata.py
@@ -5,36 +5,36 @@ from django.core.management.base import BaseCommand
 from blog.models import Article, Tag, Category
 
 
-class Command(BaseCommand):
-    help = 'create test datas'
-
-    def handle(self, *args, **options):
-        user = get_user_model().objects.get_or_create(
-            email='test@test.com', username='测试用户', password=make_password('test!q@w#eTYU'))[0]
-
-        pcategory = Category.objects.get_or_create(
-            name='我是父类目', parent_category=None)[0]
-
-        category = Category.objects.get_or_create(
-            name='子类目', parent_category=pcategory)[0]
-
-        category.save()
-        basetag = Tag()
-        basetag.name = "标签"
-        basetag.save()
-        for i in range(1, 20):
-            article = Article.objects.get_or_create(
-                category=category,
-                title='nice title ' + str(i),
-                body='nice content ' + str(i),
-                author=user)[0]
-            tag = Tag()
-            tag.name = "标签" + str(i)
-            tag.save()
-            article.tags.add(tag)
-            article.tags.add(basetag)
-            article.save()
-
-        from djangoblog.utils import cache
-        cache.clear()
-        self.stdout.write(self.style.SUCCESS('created test datas \n'))
+class Command(BaseCommand):  #ZNY 定义创建测试数据命令类，继承BaseCommand
+    help = 'create test datas'  #ZNY 命令帮助信息：创建测试数据
+
+    def handle(self, *args, **options):  #ZNY 命令处理主方法
+        user = get_user_model().objects.get_or_create(  #ZNY 获取或创建测试用户
+            email='test@test.com', username='测试用户', password=make_password('test!q@w#eTYU'))[0]  #ZNY 设置用户邮箱、用户名和加密密码
+
+        pcategory = Category.objects.get_or_create(  #ZNY 获取或创建父分类
+            name='我是父类目', parent_category=None)[0]  #ZNY 设置父分类名称，无父级分类
+
+        category = Category.objects.get_or_create(  #ZNY 获取或创建子分类
+            name='子类目', parent_category=pcategory)[0]  #ZNY 设置子分类名称，指定父级分类
+
+        category.save()  #ZNY 保存子分类
+        basetag = Tag()  #ZNY 创建基础标签实例
+        basetag.name = "标签"  #ZNY 设置基础标签名称
+        basetag.save()  #ZNY 保存基础标签
+        for i in range(1, 20):  #ZNY 循环创建19篇文章
+            article = Article.objects.get_or_create(  #ZNY 获取或创建文章
+                category=category,  #ZNY 设置文章分类
+                title='nice title ' + str(i),  #ZNY 设置带编号的文章标题
+                body='nice content ' + str(i),  #ZNY 设置带编号的文章正文
+                author=user)[0]  #ZNY 设置文章作者
+            tag = Tag()  #ZNY 创建新标签实例
+            tag.name = "标签" + str(i)  #ZNY 设置带编号的标签名称
+            tag.save()  #ZNY 保存标签
+            article.tags.add(tag)  #ZNY 将新标签添加到文章
+            article.tags.add(basetag)  #ZNY 将基础标签添加到文章
+            article.save()  #ZNY 保存文章
+
+        from djangoblog.utils import cache  #ZNY 导入缓存工具
+        cache.clear()  #ZNY 清除所有缓存
+        self.stdout.write(self.style.SUCCESS('created test datas \n'))  #ZNY 输出成功信息到标准输出