diff --git a/pickly-service/src/main/java/org/pickly/service/domain/bookmark/repository/impl/BookmarkQueryRepositoryImpl.java b/pickly-service/src/main/java/org/pickly/service/domain/bookmark/repository/impl/BookmarkQueryRepositoryImpl.java
index 49df70b2..732d7691 100644
--- a/pickly-service/src/main/java/org/pickly/service/domain/bookmark/repository/impl/BookmarkQueryRepositoryImpl.java
+++ b/pickly-service/src/main/java/org/pickly/service/domain/bookmark/repository/impl/BookmarkQueryRepositoryImpl.java
@@ -2,9 +2,12 @@
 
 import com.querydsl.core.Tuple;
 import com.querydsl.core.types.dsl.BooleanExpression;
+import com.querydsl.core.types.dsl.CaseBuilder;
+import com.querydsl.core.types.dsl.NumberExpression;
 import com.querydsl.jpa.JPAExpressions;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.pickly.service.common.utils.page.PageRequest;
 import org.pickly.service.common.utils.timezone.TimezoneHandler;
 import org.pickly.service.domain.bookmark.entity.Bookmark;
@@ -24,6 +27,7 @@
 import static org.pickly.service.domain.category.entity.QCategory.category;
 import static org.pickly.service.domain.notification.entity.QNotification.notification;
 
+@Slf4j
 @Repository
 @RequiredArgsConstructor
 public class BookmarkQueryRepositoryImpl implements BookmarkQueryRepository {
@@ -100,6 +104,7 @@ public List<Bookmark> findBookmarkByCategoryId(PageRequest pageRequest, Long cat
     return queryFactory
         .selectFrom(bookmark)
         .where(
+            ltCursorId(cursorId),
             eqCategoryId(categoryId),
             notDeleted()
         )
@@ -138,7 +143,7 @@ public Map<Category, BookmarkReadStatus> findCategoryReadStatus(final Long membe
         .select(
             category,
             bookmark.id.count(),
-            bookmark.readByUser.count()
+            sumReadTrue()
         )
         .from(category)
         .leftJoin(bookmark).on(category.id.eq(bookmark.category.id))
@@ -154,7 +159,7 @@ public Map<Category, BookmarkReadStatus> findCategoryReadStatus(final Long membe
     for (Tuple result : results) {
       Category currentCategory = result.get(category);
       Long totalBookmarks = result.get(bookmark.id.count());
-      Long readBookmarks = result.get(bookmark.readByUser.count());
+      Long readBookmarks = result.get(sumReadTrue());
 
       BookmarkReadStatus status = new BookmarkReadStatus(totalBookmarks, readBookmarks);
       categoryBookmarkCounts.put(currentCategory, status);
@@ -162,6 +167,14 @@ public Map<Category, BookmarkReadStatus> findCategoryReadStatus(final Long membe
     return categoryBookmarkCounts;
   }
 
+  private NumberExpression<Long> sumReadTrue() {
+    return new CaseBuilder()
+        .when(bookmark.readByUser.isTrue())
+        .then(1L)
+        .otherwise(0L)
+        .sum();
+  }
+
   private BooleanExpression eqMemberId(final Long memberId) {
     if (memberId == null) {
       return null;
diff --git a/pickly-service/src/main/resources/application-dev.yml b/pickly-service/src/main/resources/application-dev.yml
index 900619c5..311c5bc2 100644
--- a/pickly-service/src/main/resources/application-dev.yml
+++ b/pickly-service/src/main/resources/application-dev.yml
@@ -19,9 +19,9 @@ spring:
       mode: never
   # postgreSQL local 설정
   datasource:
-    url: jdbc:postgresql://localhost:5450/pickly
-    username: postgres
-    password: postgres
+    url: jdbc:postgresql://${DEV_DB_HOST}:${DEV_DB_PORT}/${DB_DBNAME}
+    username: ${DB_USERNAME}
+    password: ${DEV_DB_PASSWORD}
 
 # 로깅 관련
 logging: