Fixed the bug that non-existing log folder will crash the app.

Author: LittlePox

OKEGui/OKEGui/Properties/AssemblyInfo.cs

@@ -47,4 +47,4 @@
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”: :
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("6.4.*")]
+[assembly: AssemblyVersion("6.5.*")]

OKEGui/OKEGui/Utils/Initializer.cs

@@ -150,11 +150,14 @@ public static bool ConfigLogger()
 
         public static void ClearOldLogs()
         {
-            Directory.GetFiles("log")
-                .Select(f => new FileInfo(f))
-                .Where(f => f.LastWriteTime < DateTime.Now.AddMonths(-3) || (f.LastWriteTime < DateTime.Now.AddDays(-7) && f.Length < 1024))
-                .ToList()
-                .ForEach(f => f.Delete());
+            if (Directory.Exists("log"))
+            {
+                Directory.GetFiles("log")
+                    .Select(f => new FileInfo(f))
+                    .Where(f => f.LastWriteTime < DateTime.Now.AddMonths(-3) || (f.LastWriteTime < DateTime.Now.AddDays(-7) && f.Length < 1024))
+                    .ToList()
+                    .ForEach(f => f.Delete());
+            }
         }
     }
 }