diff --git a/utils/TcpModule/src/TcpServerHandle.cpp b/utils/TcpModule/src/TcpServerHandle.cpp
index 3928fbae..e5cc292d 100644
--- a/utils/TcpModule/src/TcpServerHandle.cpp
+++ b/utils/TcpModule/src/TcpServerHandle.cpp
@@ -16,6 +16,12 @@
 #include "ILog.h"
 #include "ITcpServer.h"
 #include <memory>
+
+/**
+ * @brief Get the singleton instance of TcpServerHandle
+ * @param impl Optional implementation pointer to replace the current instance
+ * @return The singleton instance of TcpServerHandle
+ */
 std::shared_ptr<TcpServerHandle> &TcpServerHandle::GetInstance(std::shared_ptr<TcpServerHandle> *impl)
 {
     static auto instance = std::make_shared<TcpServerHandle>();
@@ -30,11 +36,24 @@ std::shared_ptr<TcpServerHandle> &TcpServerHandle::GetInstance(std::shared_ptr<T
     }
     return instance;
 }
+
+/**
+ * @brief Add a server
+ * @param fd File descriptor of the server
+ * @param server Shared pointer to the ITcpServer instance
+ */
 void TcpServerHandle::AddServer(const int &fd, const std::shared_ptr<ITcpServer> &server)
 {
     LogInfo("AddServer fd = %d\n", fd);
     mFd[fd] = server;
 }
+
+/**
+ * @brief Get a server by file descriptor
+ * @param fd File descriptor of the server
+ * @param server Reference to a shared pointer to store the ITcpServer instance
+ * @return True if the server is found, false otherwise
+ */
 bool TcpServerHandle::GetServer(const int &fd, std::shared_ptr<ITcpServer> &server)
 {
     auto it = mFd.find(fd);
diff --git a/utils/TcpModule/src/TcpServerHandle.h b/utils/TcpModule/src/TcpServerHandle.h
index 646b2680..e7a6acf3 100644
--- a/utils/TcpModule/src/TcpServerHandle.h
+++ b/utils/TcpModule/src/TcpServerHandle.h
@@ -20,10 +20,32 @@
 class TcpServerHandle
 {
 public:
+    /**
+     * @brief Default constructor
+     */
     TcpServerHandle() = default;
+    /**
+     * @brief Default destructor
+     */
     ~TcpServerHandle() = default;
+    /**
+     * @brief Get the singleton instance of TcpServerHandle
+     * @param impl Optional implementation pointer to replace the current instance
+     * @return The singleton instance of TcpServerHandle
+     */
     static std::shared_ptr<TcpServerHandle> &GetInstance(std::shared_ptr<TcpServerHandle> *impl = nullptr);
+    /**
+     * @brief Add a server
+     * @param fd File descriptor of the server
+     * @param server Shared pointer to the ITcpServer instance
+     */
     void AddServer(const int &fd, const std::shared_ptr<ITcpServer> &server);
+    /**
+     * @brief Get a server by file descriptor
+     * @param fd File descriptor of the server
+     * @param server Reference to a shared pointer to store the ITcpServer instance
+     * @return True if the server is found, false otherwise
+     */
     bool GetServer(const int &fd, std::shared_ptr<ITcpServer> &server);
 
 private: