diff --git a/AlgorithmModule/src/CameraCheckAnalysisy.cpp b/AlgorithmModule/src/CameraCheckAnalysisy.cpp
index e93f052..0ddf6e5 100644
--- a/AlgorithmModule/src/CameraCheckAnalysisy.cpp
+++ b/AlgorithmModule/src/CameraCheckAnalysisy.cpp
@@ -25,6 +25,7 @@
 #include <vector>
 #include <mutex>
 #include <algorithm>
+#include <ctime>
 
 static std::mutex g_ngImgSave_mutex;
 static std::vector<std::future<void>> g_ngImgSave_futures;
@@ -1239,43 +1240,52 @@ int CameraCheckAnalysisy::ngImgSave() {
     auto result_copy = m_pCheck_Result;
     std::string save_path_root = "/home/aidlux/BOE/FOG/cloud/";
 
-    auto task = std::async(std::launch::async, [result_copy, save_path_root]() {
+    // 生成当天日期字符串，用于按天组织存储目录
+    time_t now = time(nullptr);
+    struct tm tm_now;
+    localtime_r(&now, &tm_now);
+    char date_buf[16];
+    strftime(date_buf, sizeof(date_buf), "%Y-%m-%d", &tm_now);
+    std::string date_str(date_buf);
+
+    auto task = std::async(std::launch::async, [result_copy, save_path_root, date_str]() {
         try {
             if (!result_copy) return;
 
             // ---------- 目录清理（加锁防止并发删除）----------
+            // 只保留最近 2 天的数据（今天 + 昨天），删除更早的日期目录
             {
                 static std::mutex cleanup_mutex;  // 静态锁，所有实例共享
                 std::lock_guard<std::mutex> lock(cleanup_mutex);
 
+                // 计算 1 天前的日期作为清理截止线（保留今天和昨天共 2 天）
+                time_t now_cleanup = time(nullptr);
+                time_t cutoff_time = now_cleanup - 1 * 24 * 3600;
+                struct tm tm_cutoff;
+                localtime_r(&cutoff_time, &tm_cutoff);
+                char cutoff_buf[16];
+                strftime(cutoff_buf, sizeof(cutoff_buf), "%Y-%m-%d", &tm_cutoff);
+                std::string cutoff_str(cutoff_buf);
+
                 DIR* dir = opendir(save_path_root.c_str());
                 if (dir) {
-                    std::vector<std::pair<std::string, time_t>> dirs;
                     struct dirent* entry;
                     while ((entry = readdir(dir)) != nullptr) {
                         std::string name = entry->d_name;
                         if (name == "." || name == "..") continue;
-                        std::string full_path = save_path_root + name;
-                        struct stat st;
-                        if (stat(full_path.c_str(), &st) == 0 && S_ISDIR(st.st_mode)) {
-                            struct stat lst;
-                            if (lstat(full_path.c_str(), &lst) == 0 && !S_ISLNK(lst.st_mode)) {
-                                dirs.emplace_back(full_path, st.st_mtime);
+                        // 检查是否为日期格式目录 YYYY-MM-DD
+                        if (name.length() == 10 && name[4] == '-' && name[7] == '-') {
+                            // ISO 日期格式可按字典序直接比较
+                            if (name < cutoff_str) {
+                                std::string full_path = save_path_root + name;
+                                struct stat st;
+                                if (stat(full_path.c_str(), &st) == 0 && S_ISDIR(st.st_mode)) {
+                                    CheckUtil::DeleteDir(full_path);
+                                }
                             }
                         }
                     }
                     closedir(dir);
-
-                    if (dirs.size() > 100) {
-                        std::sort(dirs.begin(), dirs.end(),
-                                  [](auto& a, auto& b) { return a.second < b.second; });
-                        const std::string& oldest_dir = dirs.front().first;
-                        if (!oldest_dir.empty() && oldest_dir != save_path_root) {
-                            CheckUtil::DeleteDir(oldest_dir);
-                        }
-                    }
-                } else {
-                    cerr << ("ERROR: cannot open root directory for cleanup");
                 }
             }
 
@@ -1304,8 +1314,8 @@ int CameraCheckAnalysisy::ngImgSave() {
                     !m_CheckResult_shareP->resultimg.empty() &&
                     !m_CheckResult_shareP->cutSrcimg.empty()) {
 
-                    // 构建保存目录（使用净化后的组件）
-                    std::string save_dir = save_path_root + "/" + safe_product + "/" + safe_camera + "/";
+                    // 构建保存目录（使用净化后的组件，包含日期子目录）
+                    std::string save_dir = save_path_root + date_str + "/" + safe_product + "/" + safe_camera + "/";
 					if (CheckUtil::CreateDir(save_dir) != 0) {
                         cerr << ("Failed to create directory: " + save_dir);
                         continue;
@@ -1320,7 +1330,7 @@ int CameraCheckAnalysisy::ngImgSave() {
                         // cv::imwrite(save_dir + safe_channel + "_AIMask.png", mask_img);
                         // cv::imwrite(save_dir + safe_channel + "_Resultimg.png", result_img);
                         // cv::imwrite(save_dir + safe_channel + "_CutImg.png", cut_img);
-                        writeLog(save_dir+ safe_channel + "log", m_CheckResult_shareP->det_LogList);
+                        writeLog(save_dir+ safe_channel + "_log", m_CheckResult_shareP->det_LogList);
                     } catch (const cv::Exception& e) {
                         cerr << ("OpenCV exception: " + std::string(e.what()));
                     } catch (const std::exception& e) {
diff --git a/AlgorithmModule/src/ImgCheckAnalysisy.cpp b/AlgorithmModule/src/ImgCheckAnalysisy.cpp
index 7b72934..83351d4 100644
--- a/AlgorithmModule/src/ImgCheckAnalysisy.cpp
+++ b/AlgorithmModule/src/ImgCheckAnalysisy.cpp
@@ -170,7 +170,7 @@ int ImgCheckAnalysisy::GetStatus()
 
 std::string ImgCheckAnalysisy::GetVersion()
 {
-	return std::string("BOE_1.2.3_" + std::string(__DATE__) + "_" + std::string(__TIME__));
+	return std::string("BOE_1.2.4_" + std::string(__DATE__) + "_" + std::string(__TIME__));
 }
 
 std::string ImgCheckAnalysisy::GetErrorInfo()