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 2db05e3..e6e8a91 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
@@ -10,10 +10,8 @@
 package com.cpic.xim.utils.archievement;
 
 import java.io.IOException;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.List;
 import org.apache.ibatis.session.SqlSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/ArchievementQueryController.java b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/ArchievementQueryController.java
index 67ef217..991f840 100644
--- a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/ArchievementQueryController.java
+++ b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/ArchievementQueryController.java
@@ -15,7 +15,7 @@ package com.cpic.xim.web.controllers.archievement;
 
 import java.io.IOException;
 import java.sql.SQLException;
-import java.util.Vector;
+import java.util.ArrayList;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -91,8 +91,8 @@ public class ArchievementQueryController
         boolean success = false;
         String message = "";
 
-        Vector<CallerRankingItem> attachingRateRankingList = null;
-        Vector<CallerRankingItem> renewalRateRankingList = null;
+        ArrayList<CallerRankingItem> attachingRateRankingList = null;
+        ArrayList<CallerRankingItem> renewalRateRankingList = null;
 
 
         try
diff --git a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/RankingList/RankingListResponse.java b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/RankingList/RankingListResponse.java
index be9bdef..37b8539 100644
--- a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/RankingList/RankingListResponse.java
+++ b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/archievement/RankingList/RankingListResponse.java
@@ -9,7 +9,7 @@
  */
 package com.cpic.xim.web.controllers.archievement.RankingList;
 
-import java.util.Vector;
+import java.util.ArrayList;
 import com.cpic.xim.utils.ranking.CallerRankingItem;
 import com.cpic.xim.web.controllers.QueryResult;
 import com.fasterxml.jackson.annotation.JsonProperty;
@@ -22,8 +22,8 @@ public class RankingListResponse extends QueryResult
     }
 
     public RankingListResponse( boolean success, String message, String departmentCode, String year,
-            String month, Vector<CallerRankingItem> attachingRateRankingList,
-            Vector<CallerRankingItem> renewalRateRankingList)
+            String month, ArrayList<CallerRankingItem> attachingRateRankingList,
+            ArrayList<CallerRankingItem> renewalRateRankingList)
     {
         super( success, message );
         
@@ -64,22 +64,22 @@ public class RankingListResponse extends QueryResult
         this.month = month;
     }
 
-    public Vector<CallerRankingItem> getAttachingRateRankingList()
+    public ArrayList<CallerRankingItem> getAttachingRateRankingList()
     {
         return attachingRateRankingList;
     }
 
-    public void setAttachingRateRankingList( Vector<CallerRankingItem> attachingRateRankingList )
+    public void setAttachingRateRankingList( ArrayList<CallerRankingItem> attachingRateRankingList )
     {
         this.attachingRateRankingList = attachingRateRankingList;
     }
 
-    public Vector<CallerRankingItem> getRenewalRateRankingList()
+    public ArrayList<CallerRankingItem> getRenewalRateRankingList()
     {
         return renewalRateRankingList;
     }
 
-    public void setRenewalRateRankingList( Vector<CallerRankingItem> renewalRateRankingList )
+    public void setRenewalRateRankingList( ArrayList<CallerRankingItem> renewalRateRankingList )
     {
         this.renewalRateRankingList = renewalRateRankingList;
     }
@@ -98,9 +98,9 @@ public class RankingListResponse extends QueryResult
 
     // 车非融合率排行
     @JsonProperty( "attachingRateRankingList" )
-    private Vector<CallerRankingItem> attachingRateRankingList;
+    private ArrayList<CallerRankingItem> attachingRateRankingList;
 
     // 续保率排行
     @JsonProperty( "renewalRateRankingList" )
-    private Vector<CallerRankingItem> renewalRateRankingList;
+    private ArrayList<CallerRankingItem> renewalRateRankingList;
 }