diff --git a/controllers/contentControllers/topic.js b/controllers/contentControllers/topic.js
index 16f41d2..10da6a6 100644
--- a/controllers/contentControllers/topic.js
+++ b/controllers/contentControllers/topic.js
@@ -32,9 +32,9 @@ export const getTopicBySectionId = async (req, res) => {
     const { sectionId } = req.params;
 
     const sectionExists = await models.Section.findByPk(sectionId);
-    if (!sectionExists) {
-      return response(404, null, "Section not found", res);
-    }
+    // if (!sectionExists) {
+    //   return response(404, null, "Section not found", res);
+    // }
 
     const topics = await models.Topic.findAll({
       where: { ID_SECTION: sectionId },
@@ -167,6 +167,7 @@ export const getCompletedTopicsBySection = async (req, res) => {
                     "ID_SECTION",
                     "NAME_SECTION",
                     "DESCRIPTION_SECTION",
+                    "THUMBNAIL",
                   ],
                 },
               ],
@@ -204,6 +205,7 @@ export const getCompletedTopicsBySection = async (req, res) => {
             ID_SECTION: section.ID_SECTION,
             NAME_SECTION: section.NAME_SECTION,
             DESCRIPTION_SECTION: section.DESCRIPTION_SECTION,
+            THUMBNAIL: section.THUMBNAIL,
             TOTAL_TOPICS: totalTopicsInSection,
             COMPLETED_TOPICS: 0,
           };