optimize desktop monitor startup speed

Author: Neutree

projects/app_desktop_monitor/app.yaml

@@ -1,7 +1,7 @@
 id: desktop_monitor
 name: Desktop Monitor
 name[zh]: 桌面监视器
-version: 1.0.2
+version: 1.0.3
 icon: assets/desktop_monitor.json
 author: neucrack@Sipeed Ltd
 desc: Monitoring PC info, or other info from internet or local.

projects/app_desktop_monitor/desktop_monitor/util.py

@@ -1,7 +1,6 @@
-import requests
-
 
 def get_pc_info(site_addr):
+    import requests
     url = site_addr + '/'
     try:
         res = requests.post(url)

projects/app_desktop_monitor/main.py

@@ -257,6 +257,7 @@ def main(screen):
     size = image.string_size(msg)
     img.draw_string((img.width() - size.width()) // 2, (img.height() - size.height()) // 2 - 10, msg, COLOR_RED)
     show_img = img
+    screen.show(show_img)
     scan_w = img.width() - img.width() // 4
     scan_h = img.height() - img.height() // 4
     while 1: