diff --git a/veinCur.cpp b/veinCur.cpp
index c75e575..8cddc2f 100644
--- a/veinCur.cpp
+++ b/veinCur.cpp
@@ -3,6 +3,7 @@
 #include <vector>
 #include <thread>
 #include <mutex>
+#include <queue>
 using namespace Gdiplus;
 using namespace std;
 #pragma comment (lib,"Gdiplus.lib")
@@ -17,10 +18,18 @@ mutex mtx;
 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
 void CreateFullScreenTransparentWindow(const wchar_t* window_name, const wchar_t* class_name);
 int g_hotkeyId = 1;
+typedef struct {
+    int x1, y1, x2, y2;
+    int width;
+    int time;
+}Vein;
+queue<Vein> veins;
+
+DWORD WINAPI eraser(LPVOID lpParam);
+void vine2(int x1, int y1, float anchor, float turn, int speed, int cost, Color color, int count, int clone);
 
 int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nCmdShow)
 {
-
     HANDLE hMutex = CreateMutex(NULL, FALSE, L"cursorAnim");
     if (hMutex == NULL) {
         return 1;
@@ -35,14 +44,33 @@ int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszA
     HHOOK hook = SetWindowsHookEx(WH_MOUSE_LL, MouseProc, NULL, 0);
 
 
+
+    // 创建线程
+    HANDLE hThread = CreateThread(NULL, 0, eraser, NULL, 0, NULL);
+    if (hThread == NULL) {
+        MessageBox(nullptr, L"eraser线程启动失败", L"错误", MB_OK);
+        CloseHandle(hMutex);
+        return 1;
+    }
+
+    // 设置线程优先级为低
+    SetThreadPriority(hThread, THREAD_PRIORITY_LOWEST);
+
+    
+
+    
     MSG msg;
     while (GetMessage(&msg, nullptr, 0, 0))
     {
         TranslateMessage(&msg);
         DispatchMessage(&msg);
-        Sleep(1);
+        Sleep(3);
     }
     CloseHandle(hMutex);
+    // 等待线程结束
+    WaitForSingleObject(hThread, INFINITE);
+    // 关闭线程句柄
+    CloseHandle(hThread);
     return 0;
 }
 
@@ -61,7 +89,7 @@ void CreateFullScreenTransparentWindow(const wchar_t* window_name, const wchar_t
     }
 
     hwnd = CreateWindowExW(WS_EX_TRANSPARENT | WS_EX_LAYERED | WS_EX_TOPMOST | WS_EX_TOOLWINDOW, class_name, window_name, WS_POPUP,
-        0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN),
+        0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN)-40,
         nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
     if (hwnd == nullptr)
     {
@@ -103,6 +131,71 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
     return 0;
 }
 
+void vine2(int x1, int y1, float anchor, float turn, int speed, int cost, Color color, int count, int clone)
+{
+    if (speed <= 0)
+    {
+        Sleep(300);
+        return;
+    }
+    count++;
+    int x2 = x1 + (speed)*cos(anchor);
+    int y2 = y1 + (speed)*sin(anchor);
+    Pen penline(color, speed);
+    penline.SetEndCap(LineCapRound);
+    penline.SetStartCap(LineCapRound);
+    mtx.lock();
+    graphics->DrawLine(&penline, x1, y1, x2, y2);
+    veins.push(Vein{x1,y1,x2,y2,speed,50});
+    mtx.unlock();
+    Sleep(1);
+    if (clone > 0 && rand() % 10 == 0)
+    {
+        int x_copy = x1;
+        int y_copy = y1;
+        float anchor_copy = anchor + rand() % 10 / 26.0;
+        float turn_copy = turn * (-1 + rand() % 2 * 2);
+        int speed_copy = speed + rand() % 3;
+        int cost_copy = cost + rand() % 3;
+        thread t(vine2, x_copy, y_copy, anchor_copy, turn_copy, speed_copy, cost_copy, Color(rand() % 50, 100 + rand() % 100, 20 + rand() % 50), 0, --clone);
+        t.detach();
+    }
+    if (count % 10 == 0)
+        speed -= cost;
+    anchor += turn;
+    if (count % 3 == 0)
+        turn += turn / 2;
+    if (turn > 0.6)
+        speed = 0;
+    vine2(x2, y2, anchor, turn, speed, cost, color, count, clone);
+}
+
+DWORD WINAPI eraser(LPVOID lpParam)
+{
+    Pen erase(Color(255, 0, 0));
+    erase.SetEndCap(LineCapRound);
+    erase.SetStartCap(LineCapRound);
+    while(true)
+    {
+        if (!veins.empty())
+        {
+            veins.front().time--;
+            if (veins.front().time <= 0)
+            {
+                erase.SetWidth(veins.front().width * 2 + 2);
+                mtx.lock();
+                graphics->DrawLine(&erase, veins.front().x1, veins.front().y1, veins.front().x2, veins.front().y2);
+                veins.pop();
+                mtx.unlock();
+            }
+        }
+        else
+        {
+            Sleep(50);
+        }
+    }
+}
+
 void vine(int x1, int y1, float anchor, float turn, int speed, int cost, Color color, int count, int clone)
 {
     if (speed <= 0)
@@ -155,12 +248,23 @@ LRESULT CALLBACK MouseProc(int nCode, WPARAM wParam, LPARAM lParam) {
             POINT p;
             GetCursorPos(&p);
             float base = rand() % 10 / 3;
-            thread t0(vine, p.x, p.y, 0 + base, 0.02, 5, 2, Color(0, 255, 0), 0, 3);
+            thread t0(vine2, p.x, p.y, 0 + base, 0.02, 5, 2, Color(0, 255, 0), 0, 3);
             t0.detach();
-            thread t1(vine, p.x, p.y, 2 + base, 0.010, 5, 2, Color(0, 255, 0), 0, 3);
-            t1.detach();
-            thread t2(vine, p.x, p.y, -2 + base, 0.025, 5, 2, Color(0, 255, 0), 0, 3);
-            t2.detach();
+            if (rand() % 3 != 0)
+            {
+                thread t1(vine2, p.x, p.y, 2 + base, 0.010, 5, 2, Color(0, 255, 0), 0, 3);
+                t1.detach();
+            }
+            if (rand() % 2 == 0) {
+                thread t2(vine2, p.x, p.y, -2 + base, 0.025, 5, 2, Color(0, 255, 0), 0, 3);
+                t2.detach();
+            }
+            else {
+                thread t3(vine2, p.x, p.y, -0.5 + base, 0.025, 5, 2, Color(0, 255, 0), 0, 3);
+                t3.detach();
+                thread t4(vine2, p.x, p.y, -3 + base, 0.025, 5, 2, Color(0, 255, 0), 0, 3);
+                t4.detach();
+            }
         }
     }
     return CallNextHookEx(NULL, nCode, wParam, lParam);