diff --git a/src/Configurations.cs b/src/Configurations.cs
index 21cf6e3..4c7d19b 100644
--- a/src/Configurations.cs
+++ b/src/Configurations.cs
@@ -4,16 +4,14 @@ namespace SeewoHelper
 {
     public static class Configurations
     {
-        private static readonly string _path = Path.Combine(Constants.BaseDirectory, "configs");
-
         /// <summary>
         /// <see cref="SeewoHelper.CoursewareSortingInfo"/> 配置
         /// </summary>
-        public static readonly Configuration<CoursewareSortingInfo> CoursewareSortingInfo = new Configuration<CoursewareSortingInfo>(Path.Combine(_path, "CoursewareSortingInfo.json"), new CoursewareSortingInfo());
+        public static readonly Configuration<CoursewareSortingInfo> CoursewareSortingInfo = new Configuration<CoursewareSortingInfo>(Path.Combine(Constants.ConfigurationPath, "CoursewareSortingInfo.json"), new CoursewareSortingInfo());
 
         /// <summary>
         /// <see cref="SeewoHelper.UISettings"/> 配置
         /// </summary>
-        public static readonly Configuration<UISettings> UISettings = new Configuration<UISettings>(Path.Combine(_path, "UISettings.json"), new UISettings());
+        public static readonly Configuration<UISettings> UISettings = new Configuration<UISettings>(Path.Combine(Constants.ConfigurationPath, "UISettings.json"), new UISettings());
     }
 }
diff --git a/src/Constants.cs b/src/Constants.cs
index ee31315..3b1187d 100644
--- a/src/Constants.cs
+++ b/src/Constants.cs
@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Reflection;
 using System.Windows.Forms;
 
@@ -39,5 +40,15 @@ public static class Constants
         /// 应用运行文件夹路径
         /// </summary>
         public static readonly string BaseDirectory = Environment.CurrentDirectory;
+
+        /// <summary>
+        /// 日志路径
+        /// </summary>
+        public static readonly string LogPath = Path.Combine(BaseDirectory, "logs");
+
+        /// <summary>
+        /// 配置路径
+        /// </summary>
+        public static readonly string ConfigurationPath = Path.Combine(BaseDirectory, "configs");
     }
 }
diff --git a/src/Forms/WindowMain.Designer.cs b/src/Forms/WindowMain.Designer.cs
index 68291d8..1719ccc 100644
--- a/src/Forms/WindowMain.Designer.cs
+++ b/src/Forms/WindowMain.Designer.cs
@@ -329,6 +329,7 @@ private void InitializeComponent()
             this.buttonCleanLog.Style = Sunny.UI.UIStyle.LightBlue;
             this.buttonCleanLog.TabIndex = 3;
             this.buttonCleanLog.Text = "清除Logs";
+            this.buttonCleanLog.Click += new System.EventHandler(this.ButtonCleanLog_Click);
             // 
             // checkBoxAutoStart
             // 
diff --git a/src/Forms/WindowMain.cs b/src/Forms/WindowMain.cs
index 29935d0..d5558af 100644
--- a/src/Forms/WindowMain.cs
+++ b/src/Forms/WindowMain.cs
@@ -55,7 +55,7 @@ private async void ButtonStartCoursewareSorting_Click(object sender, EventArgs e
         {
             var path = textBoxCoursewareSortingSearchingPath.Text;
 
-            if (IOUtilities.IsProperPath(path) && IOUtilities.GetPathType(path) == PathType.Directionary && Directory.Exists(path))
+            if (!string.IsNullOrWhiteSpace(path) && IOUtilities.IsProperPath(path) && IOUtilities.GetPathType(path) == PathType.Directionary && Directory.Exists(path))
             {
                 var infos = listViewSubjectStorageInfos.Items.Cast<ListViewItem>().Select(x => (SubjectStorageInfo)x.Tag);
 
@@ -209,5 +209,13 @@ private void CheckBoxAutoStart_ValueChanged(object sender, bool value)
         {
             AutoStartUtilities.SetMeStart(checkBoxAutoStart.Checked);
         }
+
+        private void ButtonCleanLog_Click(object sender, EventArgs e)
+        {
+            foreach (var file in Directory.GetFiles(Constants.LogPath).Where(x => x != Program.Logger.Path))
+            {
+                File.Delete(file);
+            }
+        }
     }
-}
+}
\ No newline at end of file
diff --git a/src/Program.cs b/src/Program.cs
index 33cd2de..65a1305 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -9,7 +9,7 @@ namespace SeewoHelper
 {
     static class Program
     {
-        public static Logger Logger { get; } = new Logger(Path.Combine(Constants.BaseDirectory, "logs", DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss") + ".log"));
+        public static Logger Logger { get; } = new Logger(Path.Combine(Constants.LogPath, DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss") + ".log"));
 
         public static FormStyleController FormStyleController { get; } = new FormStyleController();