diff --git a/src/com/hellogithub/service/projectService.java b/src/com/hellogithub/service/projectService.java
index 260e27d..844455c 100644
--- a/src/com/hellogithub/service/projectService.java
+++ b/src/com/hellogithub/service/projectService.java
@@ -41,7 +41,7 @@ public class projectService {
         for(int i =0;i<projectEntityList.size();i++)
         {
             projectEntity projectEntity = projectEntityList.get(i);
-            projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+            projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
         }
         return projectDao.retTerm(num);
@@ -94,7 +94,7 @@ public class projectService {
             for(int i =0;i<projectEntityList.size();i++)
             {
                 projectEntity projectEntity = projectEntityList.get(i);
-                projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+                projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
             }
         } else {
@@ -102,7 +102,7 @@ public class projectService {
             for(int i =0;i<projectEntityList.size();i++)
             {
                 projectEntity projectEntity = projectEntityList.get(i);
-                projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+                projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
             }
 
@@ -130,20 +130,23 @@ public class projectService {
         dataMap.put(17,"机器学习");
         List<projectEntity> projectEntityList;
 
-        if (cate==0){
+        if (cate == 0){
             projectEntityList =projectDao.retMostStar();
             for(int i =0;i<projectEntityList.size();i++)
             {
+
                 projectEntity projectEntity = projectEntityList.get(i);
-                projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+                projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
             }
         }else {
             projectEntityList =projectDao.retSelcetByStartNum(cate);
+
             for(int i =0;i<projectEntityList.size();i++)
             {
+
                 projectEntity projectEntity = projectEntityList.get(i);
-                projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+                projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
             }
         }
@@ -173,7 +176,7 @@ public class projectService {
         for(int i =0;i<projectEntityList.size();i++)
         {
             projectEntity projectEntity = projectEntityList.get(i);
-            projectEntity.setCategoryName(dataMap.get(projectEntity.getProjectId()));
+            projectEntity.setCategoryName(dataMap.get(projectEntity.getCategoryId()));
 
         }
         return projectEntityList;