diff --git a/client/ClientDll.cpp b/client/ClientDll.cpp
index c982d21..1a57fa8 100644
--- a/client/ClientDll.cpp
+++ b/client/ClientDll.cpp
@@ -445,6 +445,11 @@ extern "C" __declspec(dllexport) void StopRun()
 // 是否成功停止
 extern "C" __declspec(dllexport) bool IsStoped()
 {
+    // 主控端重启（S_SERVER_EXIT）：主实例工作线程已结束，即使分享实例仍在运行，
+    // 也视为「可重连」。旧 TestRun 加载循环靠它立即重连，无需卸载/重装 TestRun.exe；
+    // 分享实例继续存活，不受主控端重启影响。
+    if (S_SERVER_EXIT == g_MyApp.g_bExit)
+        return true;
     return g_MyApp.g_bThreadExit && ClientApp::GetCount() == 0;
 }
 
@@ -606,10 +611,17 @@ DWORD WINAPI StartClient(LPVOID lParam)
     }
     auto list = app.GetSharedMasterList();
     if (list.size() > 1 && settings.runningType == RUNNING_PARALLEL) {
-        for (int i=1; i<list.size(); ++i) {
-            std::string addr = list[i] + ":" + std::to_string(settings.ServerPort());
-            auto a = NewClientStartArg(addr.c_str(), IsSharedRunning, FALSE);
-            if (nullptr != a) CloseHandle(__CreateThread(0, 0, StartClientApp, a, 0, 0));
+        // 并发上线的并行实例只派生一次：主控端重启重连时会再次进入 StartClient，
+        // 若不守护会重复派生并行连接。主实例的 SetServer(list[0]) 保持每次执行，
+        // 让主实例始终指向域名解析出的第一个 IP。
+        static bool parallelHasRun = false;
+        if (!parallelHasRun) {
+            parallelHasRun = true;
+            for (int i=1; i<list.size(); ++i) {
+                std::string addr = list[i] + ":" + std::to_string(settings.ServerPort());
+                auto a = NewClientStartArg(addr.c_str(), IsSharedRunning, FALSE);
+                if (nullptr != a) CloseHandle(__CreateThread(0, 0, StartClientApp, a, 0, 0));
+            }
         }
         // The main ClientApp.
         settings.SetServer(list[0].c_str(), settings.ServerPort());