diff --git a/client/client.cpp b/client/client.cpp
index 1c9354d..f9e9c93 100644
--- a/client/client.cpp
+++ b/client/client.cpp
@@ -71,23 +71,27 @@ void CClient::run(const std::string& ip, const std::string& port)
 
     while (1) {
         char* readline = fc_readline();
-        if (!th_run_) {
+        if (readline == nullptr) {
+            break;
+        }
+        if (!th_run_ || !client_->is_normal()) {
+            logger_->warn("The link has been closed and cannot be continued. It will automatically exit.");
             break;
         }
         std::string cmd_input(readline);
         fc_free(readline);
         std::cout << "" << std::endl;
         cmd_input = ofen::COfStr::trim(cmd_input);
-        if (cmd_input == "end") {
+        if (cmd_input == "end" || cmd_input == "End") {
             th_run_ = false;
             std::this_thread::sleep_for(std::chrono::milliseconds(10));
             break;
         }
-        if (cmd_input == "Get") {
+        if (cmd_input == "Get" || cmd_input == "get") {
             get_task_list();
             continue;
         }
-        if (cmd_input == "Cancel") {
+        if (cmd_input == "Cancel" || cmd_input == "cancel") {
             cancel_task();
             continue;
         }
@@ -100,15 +104,15 @@ void CClient::run(const std::string& ip, const std::string& port)
         std::string scmd = param.substr(0, param.find_first_of(" "));
         param.erase(0, param.find_first_of(" ") + 1);
 
-        if (scmd == "Update") {
+        if (scmd == "Update" || scmd == "update") {
             request_update_list(param);
             continue;
         }
-        if (scmd == "Down") {
+        if (scmd == "Down" || scmd == "down") {
             down_task(param);
             continue;
         }
-        if (scmd == "Up") {
+        if (scmd == "Up" || scmd == "up") {
             up_task(param);
             continue;
         }
diff --git a/filecomplete b/filecomplete
index 51baea9..569ba72 160000
--- a/filecomplete
+++ b/filecomplete
@@ -1 +1 @@
-Subproject commit 51baea993f2d77f5973d1c57f05557c6bbd71695
+Subproject commit 569ba7232d12573bff572d71043a5fd0e03f9df0
diff --git a/net/net_base.cpp b/net/net_base.cpp
index c2a6f0a..70074af 100644
--- a/net/net_base.cpp
+++ b/net/net_base.cpp
@@ -90,3 +90,8 @@ void CTcpClient::async_recv()
         }
     });
 }
+
+bool CTcpClient::is_normal()
+{
+    return is_normal_;
+}
diff --git a/net/net_base.h b/net/net_base.h
index afecc4d..9d262cc 100644
--- a/net/net_base.h
+++ b/net/net_base.h
@@ -18,6 +18,7 @@ public:
     bool send(const char* data, int len);
     void register_func(ExFun_t&& f);
     void async_recv();
+    bool is_normal();
 
 private:
     std::shared_ptr<spdlog::logger> logger_;