diff --git a/client/client.cpp b/client/client.cpp
index 94a2233..3cc8783 100644
--- a/client/client.cpp
+++ b/client/client.cpp
@@ -136,8 +136,14 @@ bool CClient::down_task(const std::string& param)
         logger_->error("No matched id[{}] in task list.", id);
         return false;
     }
-    down_ = std::make_shared<TransInfomation>();
+
+    if (task_list_[id]->id == own_id_) {
+        logger_->warn("You can't down your own file!!!");
+        return false;
+    }
+
     const auto& vec = task_list_[id]->files;
+    down_ = std::make_shared<TransInfomation>();
 
     if (vec.empty()) {
         logger_->warn("No files List, Please Check!");
@@ -336,6 +342,13 @@ bool CClient::request_update_list(const std::string& param)
         logger_->error("No Index Found {}.", index);
         return false;
     }
+
+    const auto& sr = task_list_[index];
+    if (sr->id == own_id_) {
+        logger_->warn("You can't update your own file!!!");
+        return false;
+    }
+
     // 读取list文件
     std::ifstream in(COfPath::to_full(list_file));
     if (!in.is_open()) {
@@ -454,6 +467,7 @@ void CClient::handle_frame(CFrameBuffer* buf)
     switch (buf->type_) {
     case TYPE_GET_ID: {
         logger_->debug("Your ID:{}", buf->tid_);
+        own_id_ = buf->tid_;
         break;
     }
     case TYPE_GET_LIST: {
@@ -658,7 +672,7 @@ void CClient::send_file_data_th(const char* keys)
             logger_->error("Stop Trans {} To {} failed.", t->cur_file_, str_key);
             return;
         }
-        //std::this_thread::sleep_for(std::chrono::milliseconds(10));
+        // std::this_thread::sleep_for(std::chrono::milliseconds(10));
     }
 
     buf->type_ = TYPE_TRANS_DONE;
diff --git a/client/client.h b/client/client.h
index 0984921..0020872 100644
--- a/client/client.h
+++ b/client/client.h
@@ -86,6 +86,7 @@ private:
     std::string list_file_;
     std::string list_serve_id_;
     std::thread update_list_th_;
+    std::string own_id_{};
 };
 
 class CFileOpr