diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
index 441923e1..70291073 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CasesApi.java
@@ -698,8 +698,8 @@ public class CasesApi extends ApiBaseController {
      * 所有上榜的的(专业ID-时间), 用于下拉框.优化可将majorName一并查询，返回为List<List<Entity>> todo by anyone
      */
     @GetMapping("/queryAllTimePopularityOfMajor")
-    public JsonResponse<Map<Long, List<String>>> queryAllTimePopularityOfMajor() {
-        Map<Long, List<String>> time = casesService.queryAllTimePopularityOfMajor();
+    public JsonResponse<Map<String, List<String>>> queryAllTimePopularityOfMajor() {
+        Map<String, List<String>> time = casesService.queryAllTimePopularityOfMajor();
         return success(time);
     }
 
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/dao/CasesRankDao.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/dao/CasesRankDao.java
index 98c5b576..4669fe76 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/dao/CasesRankDao.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/dao/CasesRankDao.java
@@ -35,7 +35,7 @@ public class CasesRankDao extends BaseDao<CasesRank> {
             casesRank.setMajorName(o[0].toString());
             casesRank.setRiseRankTime(((Timestamp) o[1]).toLocalDateTime());
             casesRank.setRank(Integer.valueOf(o[2].toString()));
-            casesRank.setMajorId(Long.valueOf(o[3].toString()));
+            casesRank.setMajorId(o[3].toString());
             resultList.add(casesRank);
         }
         return resultList;
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/entity/CasesRank.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/entity/CasesRank.java
index 51baf8dc..0d3a3cfc 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/entity/CasesRank.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/entity/CasesRank.java
@@ -33,7 +33,7 @@ public class CasesRank extends BaseEntity {
      * 专业ID
      */
     @Column(name = "major_id")
-    private Long majorId;
+    private String majorId;
 
     /**
     * 排名
@@ -54,7 +54,7 @@ public class CasesRank extends BaseEntity {
     @Transient
     private String majorName;
 
-    public CasesRank(Long majorId, LocalDateTime riseRankTime) {
+    public CasesRank(String majorId, LocalDateTime riseRankTime) {
         this.majorId = majorId;
         this.riseRankTime = riseRankTime;
     }
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/ICasesService.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/ICasesService.java
index aebdf2c7..659174ea 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/ICasesService.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/ICasesService.java
@@ -139,6 +139,6 @@ public interface ICasesService{
 
     PageList<CasesBrowsingHistoryVo> browsingHistory(Integer pageIndex, Integer pageSize, String accountId, HttpServletRequest request);
 
-    Map<Long, List<String>> queryAllTimePopularityOfMajor();
+    Map<String, List<String>> queryAllTimePopularityOfMajor();
 }
 
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CasesServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CasesServiceImpl.java
index 649d109a..cfcbe880 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CasesServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CasesServiceImpl.java
@@ -1194,13 +1194,13 @@ public class CasesServiceImpl implements ICasesService {
                 .map(o -> {
                     CasesRank casesRank = new CasesRank();
                     casesRank.setCaseId(Long.valueOf(Array.get(o, 0).toString()));
-                    casesRank.setMajorId(Long.valueOf(Array.get(o, 1).toString()));
+                    casesRank.setMajorId(Array.get(o, 1).toString());
                     casesRank.setMonthlyIncrement(Integer.parseInt(Array.get(o, 2).toString()));
                     casesRank.setRiseRankTime(lastDayOfLastMonth);
                     return casesRank;
                 }).collect(Collectors.toList());
         // 根据专业分类进行分组
-        Map<Long, List<CasesRank>> casesRankMap = casesRankList.stream().collect(Collectors.groupingBy(CasesRank::getMajorId));
+        Map<String, List<CasesRank>> casesRankMap = casesRankList.stream().collect(Collectors.groupingBy(CasesRank::getMajorId));
 
         // 生成当前月不同分类的最新的浏览量排名
         ArrayList<CasesRank> lastMonthRank = new ArrayList<>();
@@ -1494,7 +1494,7 @@ public class CasesServiceImpl implements ICasesService {
     }
 
     @Override
-    public Map<Long, List<String>> queryAllTimePopularityOfMajor() {
+    public Map<String, List<String>> queryAllTimePopularityOfMajor() {
         QueryBuilder builder = QueryBuilder.from(CasesRank.class);
         builder.addField("new CasesRank(majorId,riseRankTime)");
         builder.addFilter(FieldFilters.eq("deleted",false));
@@ -1504,7 +1504,7 @@ public class CasesServiceImpl implements ICasesService {
         // 定义日期时间的格式
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yy-MM");
 
-        Map<Long, List<String>> collect = list.stream().collect(Collectors.groupingBy
+        Map<String, List<String>> collect = list.stream().collect(Collectors.groupingBy
                 (CasesRank::getMajorId, Collectors.mapping(casesRank -> casesRank.getRiseRankTime().format(formatter), Collectors.toList())));
 
         return collect;