diff --git a/api/cmds/record_mgr_cmd_impl.cpp b/api/cmds/record_mgr_cmd_impl.cpp
index 0e06255..84c8afd 100644
--- a/api/cmds/record_mgr_cmd_impl.cpp
+++ b/api/cmds/record_mgr_cmd_impl.cpp
@@ -19,14 +19,30 @@ void RecordMgrCmdImpl::exportUserBehaviorRecord(json& cmd, json& receipt) {
   }
 }
 void RecordMgrCmdImpl::exportDisinfectionRecord(json& cmd, json& receipt) {
-  auto errcode = m_dataExportService->exportDisinfectionData();
+  // "keys":["2024-0516-094233","2024-0516-092446","2024-0516-092339"]
+  vector<string> files;
+  for (auto& key : cmd["keys"]) {
+    files.push_back(key);
+  }
+  auto errcode = m_dataExportService->exportDisinfectionData(files);
   if (errcode != err::ksucc) {
     receipt["ackcode"]     = err::zecode(errcode);
     receipt["ackcodeInfo"] = err::zecode2str(errcode);
     return;
   }
 }
-void RecordMgrCmdImpl::cleanDisinfectionRecord(json& cmd, json& receipt) { dosystem("rm -rf /app/disinfection_logs/*"); }
+void RecordMgrCmdImpl::cleanDisinfectionRecord(json& cmd, json& receipt) {
+  vector<string> files;
+  for (auto& key : cmd["keys"]) {
+    files.push_back(key);
+  }
+
+  for (auto& file : files) {
+    m_disinfectionLogsManager->deleteReport(file);
+  }
+
+  //  dosystem("rm -rf /app/disinfection_logs/*");
+}
 void RecordMgrCmdImpl::cleanUserBehaviorRecord(json& cmd, json& receipt) {
   m_dbService->cleanUserBehaviorRecord();
   return;
diff --git a/db/db_service.hpp b/db/db_service.hpp
index 74b4da7..6c2c2f0 100644
--- a/db/db_service.hpp
+++ b/db/db_service.hpp
@@ -18,6 +18,7 @@
 #include "iflytop/core/spdlogfactory/logger.hpp"
 #include "iflytop/core/thread/thread.hpp"
 #include "user_behavior_des.hpp"
+#include "configs/project_setting.hpp"
 
 #define USER_DB                 "user.db"
 #define SETTING_DB              "setting.db"
@@ -25,7 +26,6 @@
 #define FORMULA_DB              "formula.db"
 #define USER_BEHAVIOR_RECORD_DB "user_behavior_record.db"
 
-#define USER_BEHAVIOR_RECORD_DB_MAX_RECORDS 30000
 /**
  * @brief
  *
diff --git a/service/data_export_service.cpp b/service/data_export_service.cpp
index ca7c83f..5ce8a95 100644
--- a/service/data_export_service.cpp
+++ b/service/data_export_service.cpp
@@ -57,7 +57,7 @@ static string getTime() {
   if (!x) {                           \
     return err::ksys_copy_file_error; \
   }
-err::error_t DataExportService::exportDisinfectionData() {
+err::error_t DataExportService::exportDisinfectionData(vector<string> files) {
   lock_guard<mutex> lock(lock_);
 
   string diskpath;
@@ -65,7 +65,6 @@ err::error_t DataExportService::exportDisinfectionData() {
     logger->error("no disk detected");
     return err::kharde_unfound;
   }
-
   logger->info("diskpath: {}", diskpath);
 
   // 创建目录
@@ -74,7 +73,14 @@ err::error_t DataExportService::exportDisinfectionData() {
   // 挂载目录
   IF_ERROR_RETURN(dosystem(fmt::format("mount {} /mnt/exportdata", diskpath)));
   // 拷贝文件
-  IF_ERROR_RETURN(dosystem(fmt::format("cp -rf /app/disinfection_logs /mnt/exportdata/disinfection_logs{}", getTime())));
+  // IF_ERROR_RETURN(dosystem(fmt::format("cp -rf /app/disinfection_logs /mnt/exportdata/disinfection_logs{}", getTime())));
+  IF_ERROR_RETURN(dosystem(fmt::format("mkdir -p /mnt/exportdata/disinfection_logs/")));
+
+  for (auto& file : files) {
+    logger->info("copy file: {}", file);
+    IF_ERROR_RETURN(dosystem(fmt::format("cp -rf /app/disinfection_logs/{} /mnt/exportdata/disinfection_logs/", file)));
+  }
+
   // 卸载目录
   IF_ERROR_RETURN(dosystem(fmt::format("umount /mnt/exportdata")));
   // 删除目录
diff --git a/service/data_export_service.hpp b/service/data_export_service.hpp
index a2de7f4..de59823 100644
--- a/service/data_export_service.hpp
+++ b/service/data_export_service.hpp
@@ -49,7 +49,7 @@ class DataExportService {
   void mountDisk();
   void unmountDisk();
 
-  err::error_t exportDisinfectionData();
+  err::error_t exportDisinfectionData(vector<string> files);
   err::error_t exportAuditData();
 
  private:
diff --git a/service/disinfection_logs_manager.cpp b/service/disinfection_logs_manager.cpp
index 8738d4a..9a08f36 100644
--- a/service/disinfection_logs_manager.cpp
+++ b/service/disinfection_logs_manager.cpp
@@ -4,12 +4,14 @@
 #include <errno.h>
 
 #include "iflytop/core/components/fileutils.hpp"
+#include "configs/project_setting.hpp"
 using namespace iflytop;
 using namespace core;
 using namespace std;
 
 #define LOG_STORGE_PATH "./disinfection_logs/"
 
+
 DisinfectionLogger::DisinfectionLogger() {}
 DisinfectionLogger::~DisinfectionLogger() {
   if (m_logfile.is_open()) {
@@ -37,9 +39,18 @@ DisinfectionLogsManager::~DisinfectionLogsManager() {}
 
 shared_ptr<DisinfectionLogger> DisinfectionLogsManager::createNewLogger(string log_file_name) {
   system(fmt::format("mkdir -p {}", LOG_STORGE_PATH).c_str());
-  shared_ptr<DisinfectionLogger> logger = make_shared<DisinfectionLogger>();
-  logger->initialize(fmt::format("{}{}.csv", LOG_STORGE_PATH, log_file_name));
-  return logger;
+  shared_ptr<DisinfectionLogger> dslogger = make_shared<DisinfectionLogger>();
+  dslogger->initialize(fmt::format("{}{}.csv", LOG_STORGE_PATH, log_file_name));
+
+  vector<string> files;
+  list_dir_csvfile(LOG_STORGE_PATH, files);
+
+  if (files.size() > MAX_DISINFECTIONLOGGER_FILE_NUM) {
+    logger->info("delete old loggers:{}", files.back());
+    deleteReport(files.back());
+  }
+
+  return dslogger;
 }
 
 static void split(const string& s, vector<string>& sv, const char delim = ' ') {
@@ -54,6 +65,7 @@ static void split(const string& s, vector<string>& sv, const char delim = ' ') {
 }
 void DisinfectionLogsManager::list_dir_csvfile(string path, vector<string>& sv) {
   sv.clear();
+#if 0
   DIR*           dir;
   struct dirent* ptr;
   if ((dir = opendir(path.c_str())) == NULL) {
@@ -70,6 +82,32 @@ void DisinfectionLogsManager::list_dir_csvfile(string path, vector<string>& sv)
     }
   }
   closedir(dir);
+#endif
+
+  /**
+   * @brief 读取文件夹下所有文件，并按照时间排序
+   */
+
+  DIR*           dir;
+  struct dirent* ptr;
+  if ((dir = opendir(path.c_str())) == NULL) {
+    logger->error("Open dir {} error...", path);
+    return;
+  }
+
+  vector<string> files;
+  while ((ptr = readdir(dir)) != NULL) {
+    if (ptr->d_name[0] == '.') continue;
+    if (ptr->d_type == 8) {
+      string filename = ptr->d_name;
+      if (filename.find(".csv") != string::npos) {
+        files.push_back(filename);
+      }
+    }
+  }
+
+  sort(files.begin(), files.end(), [](string a, string b) { return a > b; });
+
   return;
 }
 
@@ -96,4 +134,11 @@ nlohmann::json DisinfectionLogsManager::getLoggerList() {
     loggerlist.push_back(file);
   }
   return loggerlist;
-}
\ No newline at end of file
+}
+
+void DisinfectionLogsManager::deleteReport(string log_file_name) { system(fmt::format("rm -f {}{}.csv", LOG_STORGE_PATH, log_file_name).c_str()); }
+void DisinfectionLogsManager::deleteReports(vector<string> log_file_names) {
+  for (auto& log_file_name : log_file_names) {
+    deleteReport(log_file_name);
+  }
+}
diff --git a/service/disinfection_logs_manager.hpp b/service/disinfection_logs_manager.hpp
index cba71b0..fed5420 100644
--- a/service/disinfection_logs_manager.hpp
+++ b/service/disinfection_logs_manager.hpp
@@ -34,13 +34,15 @@ class DisinfectionLogsManager {
   DisinfectionLogsManager(/* args */);
   ~DisinfectionLogsManager();
 
-  void initialize(){};
+  void initialize() {};
 
   shared_ptr<DisinfectionLogger> createNewLogger(string log_file_name);
 
   nlohmann::json getlogger(string log_file_name);
   nlohmann::json getLoggerList();
 
+  void deleteReport(string log_file_name);
+  void deleteReports(vector<string> log_file_names);
 
  private:
   void list_dir_csvfile(string path, vector<string>& sv);