diff --git a/pulsar/components/__horizontal_indicator.py b/pulsar/components/__horizontal_indicator.py
index e69de29..ed7a86c 100644
--- a/pulsar/components/__horizontal_indicator.py
+++ b/pulsar/components/__horizontal_indicator.py
@@ -0,0 +1,24 @@
+import vgl
+
+
+name = "Marking Lines"
+
+def main(window):
+    frame = vgl.Frame().attach(window_object=window, poscale=(0,0), clone_name="Marking Line")
+    lines = list()
+    for i in range(0, 24):
+        lines.append(vgl.elements.Line(ends=[(0, i/24), (1, i/24)], color="green").attach(frame_object=frame))
+    for i in range(0, 32):
+        lines.append(vgl.elements.Line(ends=[(i/32, 0), (i/32, 1)], color="green").attach(frame_object=frame))
+    # We monitor events like this.
+    @window.observerize
+    def observer(info):
+        if info["delta"] == "key":
+            print(info)
+        if info["delta"] == "click":
+            if info["click"]:
+                print(info["cursor"]["poscale"])
+        # We make changes like this.
+        for i in lines:
+            i.set_color('#' + str((info['cursor']['position'][0] + info['cursor']['position'][1]*100 + info['cursor']['position'][0]*10000) % 999999).zfill(6))
+    observer()
diff --git a/pulsar/components/__pycache__/marker.cpython-312.pyc b/pulsar/components/__pycache__/marker.cpython-312.pyc
new file mode 100644
index 0000000..408ec99
Binary files /dev/null and b/pulsar/components/__pycache__/marker.cpython-312.pyc differ
diff --git a/pulsar/components/marking_lines.py b/pulsar/components/marker.py
similarity index 87%
rename from pulsar/components/marking_lines.py
rename to pulsar/components/marker.py
index c6be0d6..ed7a86c 100644
--- a/pulsar/components/marking_lines.py
+++ b/pulsar/components/marker.py
@@ -15,6 +15,9 @@ def main(window):
     def observer(info):
         if info["delta"] == "key":
             print(info)
+        if info["delta"] == "click":
+            if info["click"]:
+                print(info["cursor"]["poscale"])
         # We make changes like this.
         for i in lines:
             i.set_color('#' + str((info['cursor']['position'][0] + info['cursor']['position'][1]*100 + info['cursor']['position'][0]*10000) % 999999).zfill(6))
diff --git a/pulsar/t.py b/pulsar/t.py
deleted file mode 100644
index 0eeb3db..0000000
--- a/pulsar/t.py
+++ /dev/null
@@ -1,86 +0,0 @@
-import pygame
-
-pygame.init()
-
-screen_width = 800
-screen_height = 600
-screen = pygame.display.set_mode((screen_width, screen_height))
-pygame.display.set_caption("Pygame All Events Example")
-
-font = pygame.font.Font(None, 30)
-event_log = []
-
-running = True
-while running:
-    for event in pygame.event.get():
-        event_log.insert(0, f"Event: {pygame.event.event_name(event.type)} - {event.__dict__}")
-        if len(event_log) > 10:  # Keep only the last 10 events for display
-            event_log.pop()
-
-        if event.type == pygame.QUIT:
-            running = False
-        elif event.type == pygame.KEYDOWN:
-            print(f"KEYDOWN: Key={pygame.key.name(event.key)}, Modifiers={event.mod}, Unicode='{event.unicode}', Scancode={event.scancode}")
-        elif event.type == pygame.KEYUP:
-            print(f"KEYUP: Key={pygame.key.name(event.key)}, Modifiers={event.mod}")
-        elif event.type == pygame.MOUSEMOTION:
-            print(f"MOUSEMOTION: Pos={event.pos}, Relative={event.rel}, Buttons={event.buttons}")
-        elif event.type == pygame.MOUSEBUTTONDOWN:
-            print(f"MOUSEBUTTONDOWN: Pos={event.pos}, Button={event.button}")
-        elif event.type == pygame.MOUSEBUTTONUP:
-            print(f"MOUSEBUTTONUP: Pos={event.pos}, Button={event.button}")
-        elif hasattr(pygame, 'MOUSEWHEEL') and event.type == pygame.MOUSEWHEEL:
-            print(f"MOUSEWHEEL:X={event.x}, Y={event.y}, Precise X={event.precise_x}, Precise Y={event.precise_y}, Flipped={event.flipped}")
-        elif event.type == pygame.ACTIVEEVENT:
-            print(f"ACTIVEEVENT: Gain={event.gain}, State={event.state}")
-        elif event.type == pygame.VIDEORESIZE:
-            print(f"VIDEORESIZE: Size=({event.w}, {event.h})")
-            screen = pygame.display.set_mode(event.size, pygame.RESIZABLE)
-        elif event.type == pygame.VIDEOEXPOSE:
-            print("VIDEOEXPOSE")
-        elif hasattr(pygame, 'WINDOWEVENT') and event.type == pygame.WINDOWEVENT:
-            print(f"WINDOWEVENT: Event={pygame.event.event_name(event.event)}, Data1={event.data1}, Data2={event.data2}")
-        elif pygame.joystick.get_count() > 0:
-            for i in range(pygame.joystick.get_count()):
-                joystick = pygame.joystick.Joystick(i)
-                joystick.init()
-                if event.type == pygame.JOYAXISMOTION and event.joy == joystick.get_id():
-                    print(f"JOYAXISMOTION (Joystick {joystick.get_id()}): Axis={event.axis}, Value={event.value}")
-                elif event.type == pygame.JOYBALLMOTION and event.joy == joystick.get_id():
-                    print(f"JOYBALLMOTION (Joystick {joystick.get_id()}): Ball={event.ball}, Relative={event.rel}")
-                elif event.type == pygame.JOYHATMOTION and event.joy == joystick.get_id():
-                    print(f"JOYHATMOTION (Joystick {joystick.get_id()}): Hat={event.hat}, Value={event.value}")
-                elif event.type == pygame.JOYBUTTONDOWN and event.joy == joystick.get_id():
-                    print(f"JOYBUTTONDOWN (Joystick {joystick.get_id()}): Button={event.button}")
-                elif event.type == pygame.JOYBUTTONUP and event.joy == joystick.get_id():
-                    print(f"JOYBUTTONUP (Joystick {joystick.get_id()}): Button={event.button}")
-        elif event.type >= pygame.USEREVENT:
-            print(f"USEREVENT: Type={event.type}, Data={event.__dict__}")
-        elif hasattr(pygame, 'TEXTINPUT') and event.type == pygame.TEXTINPUT:
-            print(f"TEXTINPUT: Text='{event.text}'")
-        elif hasattr(pygame, 'TEXTEDITING') and event.type == pygame.TEXTEDITING:
-            print(f"TEXTEDITING: Text='{event.text}', Start={event.start}, Length={event.length}")
-        elif hasattr(pygame, 'FINGERDOWN') and event.type == pygame.FINGERDOWN:
-            print(f"FINGERDOWN: Finger ID={event.finger_id}, Pos={event.pos}, Delta={event.delta}, Pressure={event.pressure}")
-        elif hasattr(pygame, 'FINGERUP') and event.type == pygame.FINGERUP:
-            print(f"FINGERUP: Finger ID={event.finger_id}, Pos={event.pos}, Delta={event.delta}, Pressure={event.pressure}")
-        elif hasattr(pygame, 'FINGERMOTION') and event.type == pygame.FINGERMOTION:
-            print(f"FINGERMOTION: Finger ID={event.finger_id}, Pos={event.pos}, Delta={event.delta}, Pressure={event.pressure}")
-        elif hasattr(pygame, 'AUDIODEVICEADDED') and event.type == pygame.AUDIODEVICEADDED:
-            print(f"AUDIODEVICEADDED: Which={event.which}, Is Capture={event.iscapture}")
-        elif hasattr(pygame, 'AUDIODEVICEREMOVED') and event.type == pygame.AUDIODEVICEREMOVED:
-            print(f"AUDIODEVICEREMOVED: Which={event.which}, Is Capture={event.iscapture}")
-        elif event.type == pygame.SYSWMEVENT:
-            print(f"SYSWMEVENT: Message={event.msg}, Data1={event.data1}, Data2={event.data2}")
-
-    screen.fill((255, 255, 255))  # Fill the screen with white
-
-    y_offset = 10
-    for log_entry in event_log:
-        text_surface = font.render(log_entry, True, (0, 0, 0))
-        screen.blit(text_surface, (10, y_offset))
-        y_offset += 20
-
-    pygame.display.flip()
-
-pygame.quit()
\ No newline at end of file
diff --git a/pulsar/tester.py b/pulsar/tester.py
index 0a93c8a..80b2812 100644
--- a/pulsar/tester.py
+++ b/pulsar/tester.py
@@ -1,22 +1,48 @@
+import vgl
+import colorama
 import os
 import importlib.util
 
-def run_components():
+window = vgl.Window(title="Pulsar", size=(1024, 768))
+
+def loader():
     components_dir = "components"
-    for filename in os.listdir(components_dir):
-        if filename.endswith(".py") and filename != "__init__.py":
-            module_name = filename[:-3]  # 去掉 .py 后缀
-            module_path = os.path.join(components_dir, filename)
+    for i in os.listdir(components_dir):
+        if i.endswith(".py") and (not i.startswith("__")):
+            module_name = i[:-3]
+            module_path = os.path.join(components_dir, i)
 
             spec = importlib.util.spec_from_file_location(module_name, module_path)
             module = importlib.util.module_from_spec(spec)
             spec.loader.exec_module(module)
+            try:
+                if hasattr(module, "main") and callable(module.main):
+                    print(f"[ .... ] Starting {module.name} module")
+                    try:
+                        module.main(window=window)
+                        print(f"[{colorama.Fore.GREEN}  OK  {colorama.Style.RESET_ALL}] Started {module.name} module")
+                    except Exception as e:
+                        print(f"[{colorama.Fore.RED}FAILED{colorama.Style.RESET_ALL}] Failed to start {module_name} module: {e}")
+            except:
+                print(f"Unsupported module: {module_name}.py")
 
-            if hasattr(module, "main") and callable(module.main):
-                print(f"正在调用 {module_name}.main()")
-                module.main()
-            else:
-                print(f"{module_name}.py 中没有找到 main 函数或 main 不是可调用对象。")
+def console():
+    print("You've entered Pulsar's command console, an embbedded Python interpreter for debugging & testing")
+    while True:
+        try:
+            i = input(">>> ")
+            if i == "q":
+                return
+            exec(i)
+        except:
+            print("An error occured & captured")
 
-if __name__ == "__main__":
-    run_components()
\ No newline at end of file
+if __name__ == '__main__':
+    os.chdir(os.path.dirname(os.path.abspath(__file__)))
+    print("Tester")
+    window.start()
+    loader()
+    console()
+    print("Quitting")
+    window.kill()
+    exit()
\ No newline at end of file
diff --git a/testfield/visual/1view.bmp b/testfield/visual/1view.bmp
deleted file mode 100644
index f448031..0000000
Binary files a/testfield/visual/1view.bmp and /dev/null differ
diff --git a/testfield/visual/view.bmp b/testfield/visual/view.bmp
index dfeafb2..f448031 100644
Binary files a/testfield/visual/view.bmp and b/testfield/visual/view.bmp differ
diff --git a/vgl/__pycache__/main.cpython-312.pyc b/vgl/__pycache__/main.cpython-312.pyc
index c342b1f..bfc7b4d 100644
Binary files a/vgl/__pycache__/main.cpython-312.pyc and b/vgl/__pycache__/main.cpython-312.pyc differ
diff --git a/vgl/main.py b/vgl/main.py
index 7d803c6..59ce62b 100644
--- a/vgl/main.py
+++ b/vgl/main.py
@@ -90,9 +90,14 @@ class Aux():
 class Anchor(object):
     """
     "锚定点" 对象
+    镜像
+    @: 矩阵乘法
+    *: 中心/任意参照点缩放
+    中点/比例点
+
     """
-    poscale = (0, 0)
-    fixed = 3
+    poscale = (0, 0) # 位置
+    fixed = 3 # 小数点后精度
     def __init__(self, *args):
         if isinstance(args[0], tuple) or isinstance(args[0], Anchor):
             if isinstance(args[0], Anchor):
@@ -106,6 +111,7 @@ class Anchor(object):
     def y(self):
         return self.poscale[1]
     def __add__(self, other):
+        "矩阵加法"
         if isinstance(other, tuple):
             return Anchor((self.poscale[0] + other[0], self.poscale[1] + other[1]))
         elif isinstance(other, Anchor):
@@ -113,7 +119,7 @@ class Anchor(object):
         else:
             raise TypeError("不支持的加法操作数类型")
     def __mul__(self, other):
-        "向屏幕中心倍增/倍缩"
+        "中心倍增/倍缩"
         if isinstance(other, tuple):
             return Anchor((0.5 + other[0] * (self.poscale[0] - 0.5), 0.5 + other[1] * (self.poscale[1] - 0.5)))
         elif isinstance(other, (int, float)):
@@ -221,7 +227,7 @@ class Window(object):
         "click": [], # 被按下的按钮
         "focus": 1, # 或 0
         "key": [],
-        "delta": [] # 变化的键值, 避免多次调用
+        "delta": "" # 变化的键值, 避免多次调用
     }
     """{
         "cursor": {