diff --git a/renren-admin/src/main/java/io/renren/common/controller/CensusControllerV2.java b/renren-admin/src/main/java/io/renren/common/controller/CensusControllerV2.java
index 6433763b..6ef03b50 100644
--- a/renren-admin/src/main/java/io/renren/common/controller/CensusControllerV2.java
+++ b/renren-admin/src/main/java/io/renren/common/controller/CensusControllerV2.java
@@ -23,6 +23,7 @@ import org.springframework.web.bind.annotation.*;
 
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.stream.Collectors;
 
 
@@ -55,7 +56,7 @@ public class CensusControllerV2 {
     @GetMapping(value = "/whole_amount")
     @ApiOperation("平台概览")
     public Result<List<Map<String, Object>>> wholeAmount() {
-        List<Map<String, Object>> result = Collections.synchronizedList(new ArrayList<>());
+        List<Map<String, Object>> result = new CopyOnWriteArrayList<>();
 
         CompletableFuture<Void> userAmount = CompletableFuture.supplyAsync(() -> { // 获取平台用户总数
             return sysUserService.countAllUser();
@@ -102,7 +103,7 @@ public class CensusControllerV2 {
     @ApiOperation("应用资源数量统计")
     @LogOperation("应用资源数量统计")
     public Result<List<Map<String, Object>>> applicationNum() {
-        List<Map<String, Object>> result = Collections.synchronizedList(new ArrayList<>());
+        List<Map<String, Object>> result = new CopyOnWriteArrayList<>();
 
         CompletableFuture<Void> allApplicationAmount = CompletableFuture.supplyAsync(() -> { // 获取平台总应用数目
             return jdbcTemplate.queryForObject("SELECT COUNT(id) FROM tb_data_resource WHERE type ='应用资源';", Long.class);
@@ -156,7 +157,7 @@ public class CensusControllerV2 {
     }
 
     private List<Map<String, Object>> resourceRank(Integer type) {
-        List<Map<String, Object>> result = Collections.synchronizedList(new ArrayList<>());
+        List<Map<String, Object>> result;
         List<Map<String, Object>> district = jdbcTemplate.queryForList("SELECT * FROM sys_dept WHERE type = " + type);
         List<Map<String, Long>> listMap =
                 district.stream().map(index -> {
@@ -203,7 +204,7 @@ public class CensusControllerV2 {
     @ApiOperation("组件服务简况")
     @LogOperation("组件服务简况")
     public Result<List<Map<String, Object>>> assemblerInfo() {
-        List<Map<String, Object>> result = Collections.synchronizedList(new ArrayList<>());
+        List<Map<String, Object>> result = new CopyOnWriteArrayList<>();
         CompletableFuture<Void> allAssemblyAmount = CompletableFuture.supplyAsync(() -> { // 获取平台总组件服务数目
             return jdbcTemplate.queryForObject("SELECT COUNT(id) FROM tb_data_resource WHERE type ='组件服务' AND del_flag = 0;", Long.class);
         }).thenAccept(sum -> {
@@ -263,7 +264,7 @@ public class CensusControllerV2 {
     @ApiOperation("知识库简况")
     @LogOperation("知识库简况")
     public Result<List<Map<String, Object>>> knowledgeInfo() {
-        List<Map<String, Object>> result = Collections.synchronizedList(new ArrayList<>());
+        List<Map<String, Object>> result = new CopyOnWriteArrayList<>();
         CompletableFuture<Void> allKnowledgeAmount = CompletableFuture.supplyAsync(() -> { // 获取平台总知识库数目
             return jdbcTemplate.queryForObject("SELECT COUNT(id) FROM tb_data_resource WHERE type ='知识库' AND del_flag = 0;", Long.class);
         }).thenAccept(sum -> {