diff --git a/.github/workflows/apiTest.yml b/.github/workflows/apiTest.yml
deleted file mode 100644
index d9cc9ad..0000000
--- a/.github/workflows/apiTest.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: auto API test
-
-on:
-  push:
-    branches: [ "master" ]
-
-jobs:
-  real-world-api-test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Cache node modules
-        uses: actions/cache@v2
-        env:
-          cache-name: cache-node-modules
-        with:
-          # npm cache files are stored in `~/.npm` on Linux/macOS
-          path: ~/.npm
-          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-build-${{ env.cache-name }}-
-            ${{ runner.os }}-build-
-            ${{ runner.os }}-
-
-      - name: chmod test file
-        run: chmod +x ./doc/run-api-tests.sh
-
-      - name: run api test
-        run: ./doc/run-api-tests.sh
\ No newline at end of file
diff --git a/src/main/java/com/io/realworld/domain/aggregate/article/service/ArticleServiceImpl.java b/src/main/java/com/io/realworld/domain/aggregate/article/service/ArticleServiceImpl.java
index 479dd3d..6be58b4 100644
--- a/src/main/java/com/io/realworld/domain/aggregate/article/service/ArticleServiceImpl.java
+++ b/src/main/java/com/io/realworld/domain/aggregate/article/service/ArticleServiceImpl.java
@@ -24,7 +24,6 @@ import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -45,12 +44,12 @@ public class ArticleServiceImpl implements ArticleService {
 
     @Override
     public List<ArticleResponse> getArticles(UserAuth userAuth, ArticleParam articleParam) {
-        Pageable pageable = null;
-        List<Article> articles = new ArrayList<>();
 
-        if (articleParam.getOffset() != null) {
-            pageable = PageRequest.of(articleParam.getOffset(), articleParam.getLimit());
-        }
+        List<Article> articles = new ArrayList<>();
+        Integer offset = articleParam.getOffset() == null ? 0 : articleParam.getOffset();
+        Integer limit = articleParam.getLimit() == null ? 20 : articleParam.getLimit();
+
+        Pageable pageable = PageRequest.of(offset,limit);
 
         if (articleParam.getTag() != null) {
             articles = articleRepository.findByTag(articleParam.getTag(), pageable);