diff --git a/pc-client/main.py b/pc-client/main.py
index b7dde55..cb55e56 100644
--- a/pc-client/main.py
+++ b/pc-client/main.py
@@ -1,15 +1,14 @@
 import time
 import os
 current_path = os.path.dirname(os.path.realpath(__file__))
+import threading
 try:
+    import pystray
+    from PIL import Image, ImageDraw
     import serial
 except ImportError:
-    try:
-        os.system("pip install pyserial")
-        import serial
-    except ImportError:
-        print("Please execute'pip install -r requirements.txt'")
-        exit()
+    print("Please execute 'pip install -r requirements.txt'")
+    exit()
 
 host = serial.Serial('COM3', 9600)
 
@@ -19,5 +18,7 @@ while True:
         output = output.decode("ASCII")
         output = output.strip()
         print(output)
+
+        
     except KeyboardInterrupt:
         break
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index d0dfd58..1e6fe2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
+Pillow==9.2.0
 pyserial==3.5
+pystray==0.19.4