diff --git a/src/main/java/org/b3log/solo/service/InitService.java b/src/main/java/org/b3log/solo/service/InitService.java
index 54fe23c8c..d95a7c63e 100644
--- a/src/main/java/org/b3log/solo/service/InitService.java
+++ b/src/main/java/org/b3log/solo/service/InitService.java
@@ -47,7 +47,7 @@
  * Solo initialization service.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.5.2.42, Jun 16, 2020
+ * @version 1.5.2.43, Jun 28, 2020
  * @since 0.4.0
  */
 @Service
@@ -288,8 +288,6 @@ private void helloWorld() throws Exception {
         comment.put(Comment.COMMENT_SHARP_URL, commentSharpURL);
 
         commentRepository.add(comment);
-
-        LOGGER.info("Hello World!");
     }
 
     /**
@@ -313,10 +311,8 @@ private String addHelloWorldArticle(final JSONObject article) throws RepositoryE
             articleRepository.add(article);
         } catch (final RepositoryException e) {
             LOGGER.log(Level.ERROR, "Adds an article failed", e);
-
             throw new RepositoryException(e);
         }
-
         return ret;
     }
 
@@ -417,7 +413,7 @@ private void initAdmin(final JSONObject requestJSONObject) throws Exception {
         admin.put(UserExt.USER_GITHUB_ID, requestJSONObject.optString(UserExt.USER_GITHUB_ID));
         userRepository.add(admin);
 
-        LOGGER.info("Initialized admin");
+        LOGGER.debug("Initialized admin");
     }
 
     /**
@@ -436,7 +432,7 @@ private void initLink() throws Exception {
         final int maxOrder = linkRepository.getMaxOrder();
         link.put(Link.LINK_ORDER, maxOrder + 1);
         linkRepository.add(link);
-        LOGGER.info("Initialized link");
+        LOGGER.debug("Initialized link");
     }
 
     /**
@@ -454,7 +450,7 @@ private void initStatistic() throws RepositoryException, JSONException {
         statisticBlogViewCountOpt.put(Option.OPTION_CATEGORY, Option.CATEGORY_C_STATISTIC);
         optionRepository.add(statisticBlogViewCountOpt);
 
-        LOGGER.info("Initialized statistic");
+        LOGGER.debug("Initialized statistic");
     }
 
     /**
@@ -736,6 +732,6 @@ private void initOptions(final JSONObject requestJSONObject) throws Exception {
         mobileSkinDirNameOpt.put(Option.OPTION_VALUE, DefaultPreference.DEFAULT_MOBILE_SKIN_DIR_NAME);
         optionRepository.add(mobileSkinDirNameOpt);
 
-        LOGGER.info("Initialized preference");
+        LOGGER.debug("Initialized preference");
     }
 }
diff --git a/src/test/java/org/b3log/solo/AbstractTestCase.java b/src/test/java/org/b3log/solo/AbstractTestCase.java
index 22b7fdb3d..9ae9e31af 100644
--- a/src/test/java/org/b3log/solo/AbstractTestCase.java
+++ b/src/test/java/org/b3log/solo/AbstractTestCase.java
@@ -44,7 +44,7 @@
  * Abstract test case.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 4.0.0.1, Apr 30, 2020
+ * @version 4.0.0.2, Jun 28, 2020
  * @since 2.9.7
  */
 public abstract class AbstractTestCase {
@@ -70,7 +70,6 @@ public abstract class AbstractTestCase {
      */
     @BeforeClass
     public void beforeClass() throws Exception {
-        System.out.println("before class");
         beanManager = BeanManager.getInstance();
 
         final Connection connection = Connections.getConnection();
@@ -113,9 +112,7 @@ private void initSolo() {
         final JSONObject requestJSONObject = new JSONObject();
         requestJSONObject.put(User.USER_NAME, "Solo");
         requestJSONObject.put(UserExt.USER_B3_KEY, "pass");
-        System.out.println("before init");
         initService.init(requestJSONObject);
-        System.out.println("after init");
         final ErrorProcessor errorProcessor = beanManager.getReference(ErrorProcessor.class);
         Dispatcher.error("/error/{statusCode}", errorProcessor::showErrorPage);
         final UserQueryService userQueryService = getUserQueryService();
diff --git a/src/test/java/org/b3log/solo/processor/ArticleProcessorTestCase.java b/src/test/java/org/b3log/solo/processor/ArticleProcessorTestCase.java
index f08599199..d9e602aec 100644
--- a/src/test/java/org/b3log/solo/processor/ArticleProcessorTestCase.java
+++ b/src/test/java/org/b3log/solo/processor/ArticleProcessorTestCase.java
@@ -28,7 +28,7 @@
  * {@link ArticleProcessor} test case.
  *
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
- * @version 1.0.1.4, Feb 22, 2019
+ * @version 1.0.1.5, Jun 28, 2020
  * @since 1.7.0
  */
 @Test(suiteName = "processor")
@@ -110,8 +110,8 @@ public void getAuthorsArticlesByPage() throws Exception {
     @Test
     public void getRandomArticles() {
         final MockRequest request = mockRequest();
-        request.setRequestURI("/articles/random");
-        request.setMethod("POST");
+        request.setRequestURI("/articles/random.json");
+        request.setMethod("GET");
         final MockResponse response = mockResponse();
         mockDispatcher(request, response);