diff --git a/src/main/java/cn/celess/blog/controller/ArticleController.java b/src/main/java/cn/celess/blog/controller/ArticleController.java
index e611d94..80fd4cc 100644
--- a/src/main/java/cn/celess/blog/controller/ArticleController.java
+++ b/src/main/java/cn/celess/blog/controller/ArticleController.java
@@ -120,7 +120,7 @@ public class ArticleController {
     @GetMapping("/admin/articles")
     public Response adminArticles(@RequestParam(name = "page", defaultValue = "1") int page,
                                   @RequestParam(name = "count", defaultValue = "10") int count,
-                                  @RequestParam(name = "deleted", defaultValue = "false") boolean deleted) {
+                                  @RequestParam(name = "deleted", required = false) Boolean deleted) {
         return Response.success(articleService.adminArticles(count, page, deleted));
     }
 
diff --git a/src/main/java/cn/celess/blog/service/ArticleService.java b/src/main/java/cn/celess/blog/service/ArticleService.java
index 53e1494..f74b875 100644
--- a/src/main/java/cn/celess/blog/service/ArticleService.java
+++ b/src/main/java/cn/celess/blog/service/ArticleService.java
@@ -52,7 +52,7 @@ public interface ArticleService {
      * @param page  数据页
      * @return 分页数据
      */
-    PageData<ArticleModel> adminArticles(int count, int page, boolean deleted);
+    PageData<ArticleModel> adminArticles(int count, int page, Boolean deleted);
 
     /**
      * 获取文章状态为开放的文章
diff --git a/src/main/java/cn/celess/blog/service/serviceimpl/ArticleServiceImpl.java b/src/main/java/cn/celess/blog/service/serviceimpl/ArticleServiceImpl.java
index ed7d788..f05158c 100644
--- a/src/main/java/cn/celess/blog/service/serviceimpl/ArticleServiceImpl.java
+++ b/src/main/java/cn/celess/blog/service/serviceimpl/ArticleServiceImpl.java
@@ -278,11 +278,16 @@ public class ArticleServiceImpl implements ArticleService {
      * @return PageInfo
      */
     @Override
-    public PageData<ArticleModel> adminArticles(int count, int page, boolean deleted) {
+    public PageData<ArticleModel> adminArticles(int count, int page, Boolean deleted) {
         List<Article> articleList = articleMapper.findAll();
 
         PageData<ArticleModel> pageData = new PageData<>(null, 0, count, page);
-        List<Article> collect = articleList.stream().filter(article -> article.isDeleted() == deleted).collect(Collectors.toList());
+        List<Article> collect;
+        if (deleted != null) {
+            collect = articleList.stream().filter(article -> article.isDeleted() == deleted).collect(Collectors.toList());
+        } else {
+            collect = articleList;
+        }
         pageData.setTotal(collect.size());
         List<ArticleModel> articleModels = collect.stream()
                 .peek(article -> article.setMdContent(null))
diff --git a/src/test/java/cn/celess/blog/service/ArticleServiceTest.java b/src/test/java/cn/celess/blog/service/ArticleServiceTest.java
new file mode 100644
index 0000000..b32c223
--- /dev/null
+++ b/src/test/java/cn/celess/blog/service/ArticleServiceTest.java
@@ -0,0 +1,27 @@
+package cn.celess.blog.service;
+
+import cn.celess.blog.BaseTest;
+import cn.celess.blog.entity.model.ArticleModel;
+import cn.celess.blog.entity.model.PageData;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import static org.junit.Assert.*;
+
+public class ArticleServiceTest extends BaseTest {
+
+    @Autowired
+    ArticleService articleService;
+
+    @Test
+    public void adminArticles() {
+        // 测deleted参数传值
+        PageData<ArticleModel> pageData = articleService.adminArticles(10, 1, true);
+        assertTrue(pageData.getList().stream().allMatch(ArticleModel::isDeleted));
+        pageData = articleService.adminArticles(10, 1, false);
+        assertFalse(pageData.getList().stream().allMatch(ArticleModel::isDeleted));
+        pageData = articleService.adminArticles(10, 1, null);
+        assertTrue(pageData.getList().stream().anyMatch(ArticleModel::isDeleted));
+        assertTrue(pageData.getList().stream().anyMatch(articleModel -> !articleModel.isDeleted()));
+    }
+}
\ No newline at end of file