diff --git a/controllers/contentControllers/section.js b/controllers/contentControllers/section.js
index 8ac8540..ac032b4 100644
--- a/controllers/contentControllers/section.js
+++ b/controllers/contentControllers/section.js
@@ -192,7 +192,7 @@ export const updateSectionById = async (req, res) => {
 
     if (NAME_SECTION && NAME_SECTION !== section.NAME_SECTION) {
       const existingSection = await models.Section.findOne({
-        where: { NAME_SECTION },
+        where: { NAME_SECTION, IS_DELETED: 0 },
         transaction,
       });
 
diff --git a/controllers/contentControllers/topic.js b/controllers/contentControllers/topic.js
index 313508d..a628351 100644
--- a/controllers/contentControllers/topic.js
+++ b/controllers/contentControllers/topic.js
@@ -110,7 +110,7 @@ export const getTopicForAdmin = async (req, res) => {
               DESCRIPTION_TOPIC: {
                 [models.Op.like]: `%${search}%`,
               },
-            }
+            },
           ],
         }),
       },
@@ -204,7 +204,7 @@ export const createTopic = async (req, res) => {
       return response(
         409,
         null,
-        "Topic with the same name already exists",
+        "Topic with the same name already exists in this section",
         res
       );
     }
@@ -268,6 +268,23 @@ export const updateTopicById = async (req, res) => {
     }
 
     if (NAME_TOPIC) {
+      const existingTopic = await models.Topic.findOne({
+        where: {
+          ID_SECTION: ID_SECTION || topic.ID_SECTION,
+          NAME_TOPIC,
+          IS_DELETED: 0,
+        },
+      });
+
+      if (existingTopic && existingTopic.ID_TOPIC !== topic.ID_TOPIC) {
+        return response(
+          409,
+          null,
+          "Topic with the same name already exists in this section",
+          res
+        );
+      }
+
       topic.NAME_TOPIC = NAME_TOPIC;
     }
 
diff --git a/media/uploads/section/THUMBNAIL-50793054-a549-455e-ac5a-f08e1c357df3-3b4db19865d8b70386db0834852659ac.jpeg b/media/uploads/section/THUMBNAIL-50793054-a549-455e-ac5a-f08e1c357df3-3b4db19865d8b70386db0834852659ac.jpeg
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diff --git a/media/uploads/section/THUMBNAIL-e2a21f70-217f-4d08-a7a2-cbaa568a450e-81346cbd4317524acfd617bf14c006ce.jpeg b/media/uploads/section/THUMBNAIL-e2a21f70-217f-4d08-a7a2-cbaa568a450e-81346cbd4317524acfd617bf14c006ce.jpeg
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