diff --git a/pulsar/components/__horizontal_indicator.py b/pulsar/components/__horizontal_indicator.py
new file mode 100644
index 0000000..e69de29
diff --git a/pulsar/components/__pycache__/marking_lines.cpython-312.pyc b/pulsar/components/__pycache__/marking_lines.cpython-312.pyc
new file mode 100644
index 0000000..5b85b4a
Binary files /dev/null and b/pulsar/components/__pycache__/marking_lines.cpython-312.pyc differ
diff --git a/pulsar/components/marking_lines.py b/pulsar/components/marking_lines.py
new file mode 100644
index 0000000..c6be0d6
--- /dev/null
+++ b/pulsar/components/marking_lines.py
@@ -0,0 +1,21 @@
+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)
+        # 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/main copy.py b/pulsar/main copy.py
deleted file mode 100644
index ac159ec..0000000
--- a/pulsar/main copy.py	
+++ /dev/null
@@ -1,46 +0,0 @@
-import vgl
-import time
-
-window = vgl.Window(title="Pulsar", size=(1024, 768))
-
-def horizontal_indicator():
-    global window
-    frame = vgl.Frame().attach(window_object=window, poscale=(0, 0), clone_name="Horizontal Indicator")
-    vgl.elements.Line(ends=[(0.4, 0.5), (0.6, 0.5)], color="green").attach(frame_object=frame)
-    pass
-
-@window.observerize
-def observer(info):
-    if info["delta"] == "key":
-        print(info)
-    pass
-
-def marking_lines():
-    global window
-    frame = vgl.Frame().attach(window_object=window, poscale=(0,0), clone_name="Marking Line")
-    for i in range(0, 24):
-        vgl.elements.Line(ends=[(0, i/24), (1, i/24)], color="green").attach(frame_object=frame)
-    for i in range(0, 32):
-        vgl.elements.Line(ends=[(i/32, 0), (i/32, 1)], color="green").attach(frame_object=frame)
-
-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 caused & captured")
-
-if __name__ == '__main__':
-    print("Welcome to AiraPulsar Client")
-    window.start()
-    horizontal_indicator()
-    marking_lines()
-    observer()
-    console()
-    input("任意键以退出")
-    window.kill()
-    exit()
\ No newline at end of file
diff --git a/pulsar/main.py b/pulsar/main.py
index cbd8b7d..312643b 100644
--- a/pulsar/main.py
+++ b/pulsar/main.py
@@ -1,29 +1,30 @@
 import vgl
-import time
+import colorama
+import os
+import importlib.util
 
 window = vgl.Window(title="Pulsar", size=(1024, 768))
 
-def horizontal_indicator():
-    global window
-    frame = vgl.Frame().attach(window_object=window, poscale=(0, 0), clone_name="Horizontal Indicator")
-    vgl.elements.Line(ends=[(0.4, 0.5), (0.6, 0.5)], color="green").attach(frame_object=frame)
-    pass
+def loader():
+    components_dir = "components"
+    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)
 
-def marking_lines():
-    global 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))
-    @window.observerize
-    def observer(info):
-        if info["delta"] == "key":
-            print(info)
-        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()
+            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")
 
 def console():
     print("You've entered Pulsar's command console, an embbedded Python interpreter for debugging & testing")
@@ -37,11 +38,11 @@ def console():
             print("An error occured & captured")
 
 if __name__ == '__main__':
+    os.chdir(os.path.dirname(os.path.abspath(__file__)))
     print("Welcome to AiraPulsar Client")
     window.start()
-    horizontal_indicator()
-    marking_lines()
+    loader()
     console()
-    input("任意键以退出")
+    print("Quitting")
     window.kill()
     exit()
\ No newline at end of file
diff --git a/pulsar/tester.py b/pulsar/tester.py
new file mode 100644
index 0000000..0a93c8a
--- /dev/null
+++ b/pulsar/tester.py
@@ -0,0 +1,22 @@
+import os
+import importlib.util
+
+def run_components():
+    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)
+
+            spec = importlib.util.spec_from_file_location(module_name, module_path)
+            module = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(module)
+
+            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。")
+
+if __name__ == "__main__":
+    run_components()
\ No newline at end of file
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