diff --git a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
index b1a1527..8b1039c 100644
--- a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
+++ b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
@@ -21,13 +21,14 @@ public class MybatisUtils
 {
     private static HashMap<String, SqlSession> SessionMap = new HashMap<>();
     private static String DEFAULT_CONFIGFILE = "mybatis/mybatis-config.xml";
+    
     /**
      * 
      * @param configFile
      * @return
      * @throws IOException
      */
-    public static SqlSession getSqlSession(String configFile = "mybatis/mybatis-config.xml" )
+    public static SqlSession getSqlSession(String configFile )
     throws IOException
     {
         // 根据配置文件的路径，查找是否已经创建了对应的session
@@ -48,5 +49,28 @@ public class MybatisUtils
         SessionMap.put(configFile, session);
 
         return session;
-    }    
+    }
+    
+    public static SqlSession getSqlSession()
+    throws IOException
+    {
+        // 根据配置文件的路径，查找是否已经创建了对应的session
+        SqlSession session = SessionMap.get(DEFAULT_CONFIGFILE);
+
+        // 找到就直接返回
+        if ( session != null )
+        {
+            return session;
+        }
+
+        // 没找到就创建一个
+        InputStream configIS = Resources.getResourceAsStream(DEFAULT_CONFIGFILE);
+        SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(configIS);
+        session = factory.openSession();
+
+        // 保存
+        SessionMap.put(DEFAULT_CONFIGFILE, session);
+
+        return session;
+    } 
 }
\ No newline at end of file
diff --git a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/utils/archievement/DepartmentArchievement.java b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/utils/archievement/DepartmentArchievement.java
index e6e8a91..eaf7a30 100644
--- a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/utils/archievement/DepartmentArchievement.java
+++ b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/utils/archievement/DepartmentArchievement.java
@@ -22,9 +22,6 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 
 public class DepartmentArchievement
 {
-    // mybatis配置文件路径
-    private static String mybatisConfigFile = "mybatis/mybatis-config.xml";
-
     // log4j2
     private static Logger logger = LoggerFactory.getLogger(DepartmentArchievement.class);
 
@@ -71,7 +68,7 @@ public class DepartmentArchievement
 
         try
         {
-            SqlSession session = MybatisUtils.getSqlSession( mybatisConfigFile );
+            SqlSession session = MybatisUtils.getSqlSession();
             ArchievementMapper mapper = session.getMapper(ArchievementMapper.class);
 
             // 参数集合