diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/DimensionServiceImpl.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/DimensionServiceImpl.java
index bf34b1408..18894ba6a 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/DimensionServiceImpl.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/DimensionServiceImpl.java
@@ -362,7 +362,8 @@ public class DimensionServiceImpl extends ServiceImpl<DimensionDOMapper, Dimensi
     public List<String> mockAlias(DimensionReq dimensionReq, String mockType, User user) {
         String mockAlias = aliasGenerateHelper.generateAlias(mockType, dimensionReq.getName(),
                 dimensionReq.getBizName(), "", dimensionReq.getDescription(), false);
-        return JSONObject.parseObject(mockAlias, new TypeReference<List<String>>() {
+        String ret = mockAlias.replaceAll("`", "").replace("json", "").replace("\n", "").replace(" ", "");
+        return JSONObject.parseObject(ret, new TypeReference<List<String>>() {
         });
     }
 
@@ -380,13 +381,13 @@ public class DimensionServiceImpl extends ServiceImpl<DimensionDOMapper, Dimensi
         List<Map<String, Object>> resultList = semanticQueryResp.getResultList();
         List<String> valueList = new ArrayList<>();
         for (Map<String, Object> stringObjectMap : resultList) {
-            String value = (String) stringObjectMap.get(dimensionReq.getBizName());
+            String value = String.valueOf(stringObjectMap.get(dimensionReq.getBizName()));
             valueList.add(value);
         }
         String json = aliasGenerateHelper.generateDimensionValueAlias(JSON.toJSONString(valueList));
         log.info("return llm res is :{}", json);
-
-        JSONObject jsonObject = JSON.parseObject(json);
+        String ret = json.replaceAll("`", "").replace("json", "").replace("\n", "").replace(" ", "");
+        JSONObject jsonObject = JSON.parseObject(ret);
 
         List<DimValueMap> dimValueMapsResp = new ArrayList<>();
         int i = 0;
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/MetricServiceImpl.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/MetricServiceImpl.java
index dfae76ce6..c27528524 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/MetricServiceImpl.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/service/impl/MetricServiceImpl.java
@@ -553,7 +553,8 @@ public class MetricServiceImpl extends ServiceImpl<MetricDOMapper, MetricDO>
 
         String mockAlias = aliasGenerateHelper.generateAlias(mockType, metricReq.getName(), metricReq.getBizName(), "",
                 metricReq.getDescription(), !"".equals(metricReq.getDataFormatType()));
-        return JSONObject.parseObject(mockAlias, new TypeReference<List<String>>() {
+        String ret = mockAlias.replaceAll("`", "").replace("json", "").replace("\n", "").replace(" ", "");
+        return JSONObject.parseObject(ret, new TypeReference<List<String>>() {
         });
     }
 
diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/AliasGenerateHelper.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/AliasGenerateHelper.java
index 6cf0c31b1..087bc3c8f 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/AliasGenerateHelper.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/AliasGenerateHelper.java
@@ -61,6 +61,14 @@ public class AliasGenerateHelper {
                 + "},\n"
                 + "\"additionalProperties\":false}\n"
                 + "Please double-check whether the answer conforms to the format described in the JSON-schema.\n"
+                + "回答格式示例:"
+                + "[\n"
+                + "  \"人数\",\n"
+                + "  \"员工人数\",\n"
+                + "  \"员工数量\",\n"
+                + "  \"员工总数\"\n"
+                + "]\n"
+                + "请严格按照示例格式进行生成。"
                 + "ANSWER JSON:";
         log.info("msg:{}", msg);
         return getChatCompletion(msg);
@@ -68,15 +76,22 @@ public class AliasGenerateHelper {
 
     public String generateDimensionValueAlias(String json) {
         String msg = "Assuming you are a professional data analyst specializing in indicators,for you a json list，"
-                + "the required content to follow is as follows: "
-                + "1. The format of JSON,"
-                + "2. Only return in JSON format,"
-                + "3. the array item > 1 and < 5,more alias,"
-                + "for example：input:[\"qq_music\",\"kugou_music\"],"
-                + "out:{\"tran\":[\"qq音乐\",\"酷狗音乐\"],\"alias\":{\"qq_music\":[\"q音\",\"qq音乐\"],"
-                + "\"kugou_music\":[\"kugou\",\"酷狗\"]}},"
+                + "the required content to follow is as follows: \n"
+                + "1. The format of JSON,\n"
+                + "2. Only return in JSON format,\n"
+                + "3. the array item > 1 and < 5,more alias,\n"
+                + "for example：\n"
+                + "input:[\"qq_music\",\"kugou_music\"],\n"
+                + "out:{\"tran\":[\"qq音乐\",\"酷狗音乐\"],"
+                + "\"alias\":{\"qq_music\":[\"q音\",\"qq音乐\"],\"kugou_music\":[\"kugou\",\"酷狗\"]}},\n"
+                + "input:[\"qq_music\",\"kugou_music\"],\n"
+                + "out:{\"tran\":[\"qq音乐\",\"酷狗音乐\"],"
+                + "\"alias\":{\"qq_music\":[\"q音\",\"qq音乐\"],\"kugou_music\":[\"kugou\",\"酷狗\"]}},\n"
+                + "input:[\"大专\",\"本科\",\"硕士研究生\"],\n"
+                + "out:{\"tran\":[\"大专\",\"本科\",\"硕士研究生\"],"
+                + "\"alias\":{\"大专\":[\"专科\",\"大学专科\"],\"本科\":[\"学士\",\"本科生\"],\"硕士研究生\":[\"硕士\",\"研究生\"]}},\n"
                 + "now input: "
-                + json + ","
+                + json + ",\n"
                 + "answer json:";
         log.info("msg:{}", msg);
         return getChatCompletion(msg);