diff --git a/drill-and-practice/routes/apis/questionApi.js b/drill-and-practice/routes/apis/questionApi.js
index 94eb2f8..7abce6f 100644
--- a/drill-and-practice/routes/apis/questionApi.js
+++ b/drill-and-practice/routes/apis/questionApi.js
@@ -29,13 +29,18 @@ const getRandQuestion = async ({ response }) => {
 
 const checkRandQuestion = async ({ request, response }) => {
   const body = await request.body();
-  const questionId = body.value.questionId;
-  const optionId = body.value.optionId;
-  const correctOptionIds = await answerService.getCorrectOptionIds(questionId);
-  const correctOptionIdsArray = correctOptionIds.map((option) => {
-    return option.id;
-  });
-  const correct = correctOptionIdsArray.includes(optionId);
+  const data = await body.value;
+  console.log(data);
+  const questionId = data.questionId;
+  const optionId = data.optionId;
+  console.log(questionId);
+  console.log(optionId);
+  const correctOptionIds = (
+    await answerService.getCorrectOptionIds(questionId)
+  ).map((obj) => obj.id);
+  console.log(correctOptionIds);
+  const correct = correctOptionIds.includes(Number(optionId));
+  console.log(correct);
   response.body = { correct: correct };
 };
 
diff --git a/drill-and-practice/routes/controllers/answerController.js b/drill-and-practice/routes/controllers/answerController.js
index c15437b..199def0 100644
--- a/drill-and-practice/routes/controllers/answerController.js
+++ b/drill-and-practice/routes/controllers/answerController.js
@@ -48,7 +48,7 @@ const deleteAnswer = async ({ params, response }) => {
   const topicId = params.tId;
   const questionId = params.qId;
   const optionId = params.oId;
-  await answerService.deleteAnswer(questionId, optionId);
+  await answerService.deleteAnswer(optionId);
   response.redirect(`/topics/${topicId}/questions/${questionId}`);
 };
 
diff --git a/drill-and-practice/routes/controllers/questionController.js b/drill-and-practice/routes/controllers/questionController.js
index ac59d6a..5578b68 100644
--- a/drill-and-practice/routes/controllers/questionController.js
+++ b/drill-and-practice/routes/controllers/questionController.js
@@ -101,7 +101,6 @@ const storeAnswer = async ({ response, params, state }) => {
   const correctOptionIds = (
     await answerService.getCorrectOptionIds(questionId)
   ).map((obj) => obj.id);
-  console.log(correctOptionIds);
   const correct = correctOptionIds.includes(Number(optionId));
   await answerService.storeAnswer(userId, questionId, optionId);
   if (correct) {
diff --git a/drill-and-practice/routes/routes.js b/drill-and-practice/routes/routes.js
index ebc12aa..7cfb64c 100644
--- a/drill-and-practice/routes/routes.js
+++ b/drill-and-practice/routes/routes.js
@@ -20,7 +20,7 @@ router.post("/auth/register", authController.register);
 // topicController routes (topics)
 router.get("/topics", topicController.listTopics);
 router.post("/topics", topicController.addTopic);
-router.get("/topics/:tId/delete", topicController.deleteTopic);
+router.post("/topics/:tId/delete", topicController.deleteTopic);
 
 // questionController routes (questions)
 router.get("/topics/:tId", questionController.listQuestions);
@@ -54,6 +54,6 @@ router.post(
 
 // questionApi routes (API)
 router.get("/api/questions/random", questionApi.getRandQuestion);
-router.post("api/questions/answer", questionApi.checkRandQuestion);
+router.post("/api/questions/answer", questionApi.checkRandQuestion);
 
 export { router };
diff --git a/drill-and-practice/services/answerService.js b/drill-and-practice/services/answerService.js
index 625d402..b46400e 100644
--- a/drill-and-practice/services/answerService.js
+++ b/drill-and-practice/services/answerService.js
@@ -15,8 +15,7 @@ const addAnswer = async (questionId, optionText, isCorrect) => {
   await sql`INSERT INTO question_answer_options (question_id, option_text, is_correct) VALUES (${questionId}, ${optionText}, ${isCorrect})`;
 };
 
-const deleteAnswer = async (questionId, optionId) => {
-  await sql`DELETE FROM question_answer_options WHERE question_id = ${questionId} AND id = ${optionId}`;
+const deleteAnswer = async (optionId) => {
   await sql`DELETE FROM question_answer_options WHERE id = ${optionId}`;
 };
 
diff --git a/drill-and-practice/services/topicService.js b/drill-and-practice/services/topicService.js
index 71feac6..d7e0b74 100644
--- a/drill-and-practice/services/topicService.js
+++ b/drill-and-practice/services/topicService.js
@@ -26,6 +26,9 @@ const getTopicByTopicId = async (topicId) => {
 };
 
 const deleteTopic = async (topicId) => {
+  await sql`DELETE FROM question_answers WHERE question_id IN (SELECT id FROM questions WHERE topic_id = ${topicId})`;
+  await sql`DELETE FROM question_answer_options WHERE question_id IN (SELECT id FROM questions WHERE topic_id = ${topicId})`;
+  await sql`DELETE FROM questions WHERE topic_id = ${topicId}`;
   await sql`DELETE FROM topics WHERE id = ${topicId}`;
 };
 
diff --git a/drill-and-practice/views/incorrect.eta b/drill-and-practice/views/incorrect.eta
index f4ac566..5943616 100644
--- a/drill-and-practice/views/incorrect.eta
+++ b/drill-and-practice/views/incorrect.eta
@@ -8,7 +8,7 @@
 <% it.data.forEach(item => { %>
     <li><%= item.option_text %></li>
 <% }); %>
-<ul>
+</ul>
 <% } else { %>
 <p>Correct options are not found.</p>
 <% } %>
diff --git a/drill-and-practice/views/topics.eta b/drill-and-practice/views/topics.eta
index 093cfc3..1cfc634 100644
--- a/drill-and-practice/views/topics.eta
+++ b/drill-and-practice/views/topics.eta
@@ -39,5 +39,7 @@ Name:<br/>
 <input type="text" name="name"/><br/>
 <input type="submit" value="Add"/>
 </form>
+<% } else { %>
+<p>You must be an admin to add a topic.</p>
 <% } %>