diff --git a/frontend/src/i18n/en.json b/frontend/src/i18n/en.json
index 278f4206..5fb7ab82 100644
--- a/frontend/src/i18n/en.json
+++ b/frontend/src/i18n/en.json
@@ -190,6 +190,7 @@
     "chart_selected": "Selected {0}"
   },
   "qa": {
+    "recommended_repetitive_tips": "Duplicate questions exist",
     "retrieve_error": "Model recommendation failed...",
     "retrieve_again": "Retrieve Again",
     "recently": "recently",
diff --git a/frontend/src/i18n/ko-KR.json b/frontend/src/i18n/ko-KR.json
index 56201717..103748d3 100644
--- a/frontend/src/i18n/ko-KR.json
+++ b/frontend/src/i18n/ko-KR.json
@@ -190,6 +190,7 @@
     "chart_selected": "{0}개 선택됨"
   },
   "qa": {
+    "recommended_repetitive_tips": "중복된 문제가 존재합니다",
     "retrieve_error": "모델 추천 문제 실패...",
     "retrieve_again": "다시 가져오기",
     "recently": "최근",
diff --git a/frontend/src/i18n/zh-CN.json b/frontend/src/i18n/zh-CN.json
index b9fbec8c..45388a7e 100644
--- a/frontend/src/i18n/zh-CN.json
+++ b/frontend/src/i18n/zh-CN.json
@@ -320,6 +320,7 @@
     }
   },
   "datasource": {
+    "recommended_repetitive_tips": "存在重复问题",
     "recommended_problem_tips": "自定义配置至少一个问题，每个问题2-200个字符",
     "recommended_problem_configuration": "推荐问题配置",
     "problem_generation_method": "问题生成方式",
diff --git a/frontend/src/views/ds/RecommendedProblemConfigDialog.vue b/frontend/src/views/ds/RecommendedProblemConfigDialog.vue
index 66dea695..58df4b97 100644
--- a/frontend/src/views/ds/RecommendedProblemConfigDialog.vue
+++ b/frontend/src/views/ds/RecommendedProblemConfigDialog.vue
@@ -51,18 +51,29 @@ const closeDialog = () => {
 const save = () => {
   if (state.recommended.recommended_config == 2) {
     let checkProblem = false
+    let repetitiveQuestion = false
     if (state.recommended.recommendedProblemList.length === 0) {
       checkProblem = true
     }
+    const questions = new Set<string>()
     state.recommended.recommendedProblemList.forEach((problem: RecommendedProblem): void => {
       if (problem.question.length > 200 || problem.question.length < 2) {
         checkProblem = true
       }
+      if (questions.has(problem.question)) {
+        repetitiveQuestion = true
+      }
+      questions.add(problem.question)
     })
     if (checkProblem) {
       ElMessage.error(t('datasource.recommended_problem_tips'))
       return
     }
+
+    if (repetitiveQuestion) {
+      ElMessage.error(t('datasource.recommended_repetitive_tips'))
+      return
+    }
   }
   recommendedApi
     .save_recommended_problem({