增加版本更新的异常处理

main.py

@@ -461,7 +461,10 @@ def startfile(filename):
 # 获取最新程序版本号
 def getNewVersion():
     url = r'http://127.0.0.1:82/Version.txt'
-    value = requests.get(url, timeout=10).content.decode()
+    try:
+        value = requests.get(url, timeout=10).content.decode()
+    except:
+        value = 0
     return float(value)