fix deadlock

LFtid1056/cloudfront/code/interface.cpp

@@ -181,14 +181,14 @@ void handleUploadResponse(const std::string& response, std::string& wavepath) {
     std::cout << "File URL: "            << url      << std::endl;
 
     // 找到最后一个 '.'
-    size_t pos = fileName.find_last_of('.');
+    size_t pos = name.find_last_of('.');
     std::string nameWithoutExt;
     if (pos != std::string::npos) {
         // 截取去掉后缀的部分
-        nameWithoutExt = fileName.substr(0, pos);
+        nameWithoutExt = name.substr(0, pos);
     } else {
         // 如果没有后缀，直接使用原文件名
-        nameWithoutExt = fileName;
+        nameWithoutExt = name;
     }
 
     // 拷贝到 wavepath
@@ -1341,7 +1341,7 @@ bool get_monitor_id_by_dev_and_seq(const std::string& terminal_id,
                                    unsigned short logical_seq,
                                    std::string& out_monitor_id)
 {
-    std::lock_guard<std::mutex> lk(ledgermtx);   // 若你的工程里有全局 ledgermtx/terminal_devlist
+    std::lock_guard<std::mutex> lk(ledgermtx);   
 
     for (const auto& dev : terminal_devlist) {
         if (dev.terminal_id != terminal_id) continue;