diff --git a/Plugins/Wox.Plugin.Program/Main.cs b/Plugins/Wox.Plugin.Program/Main.cs
index d6f6550783..eb5258ee12 100644
--- a/Plugins/Wox.Plugin.Program/Main.cs
+++ b/Plugins/Wox.Plugin.Program/Main.cs
@@ -21,6 +21,8 @@ namespace Wox.Plugin.Program
         internal static UWP.Application[] _uwps { get; set; }
         internal static Settings _settings { get; set; }
 
+        private static bool IsStartupIndexProgramsRequired => _settings.LastReindexTime.AddDays(3) < DateTime.Today;
+
         private static PluginInitContext _context;
 
         private static BinaryStorage<Win32[]> _win32Storage;
@@ -44,13 +46,13 @@ namespace Wox.Plugin.Program
                         
             var a = Task.Run(() =>
             {
-                if (!_win32s.Any())
+                if (IsStartupIndexProgramsRequired || !_win32s.Any())
                     Stopwatch.Normal("|Wox.Plugin.Program.Main|Win32Program index cost", IndexWin32Programs);
             });
 
             var b = Task.Run(() =>
             {
-                if (!_uwps.Any())
+                if (IsStartupIndexProgramsRequired || !_uwps.Any())
                     Stopwatch.Normal("|Wox.Plugin.Program.Main|Win32Program index cost", IndexUWPPrograms);
             });
 
@@ -112,6 +114,8 @@ namespace Wox.Plugin.Program
             var t2 = Task.Run(() => { IndexUWPPrograms(); });
 
             Task.WaitAll(t1, t2);
+
+            _settings.LastReindexTime = DateTime.Today;
         }        
 
         public Control CreateSettingPanel()
diff --git a/Plugins/Wox.Plugin.Program/Settings.cs b/Plugins/Wox.Plugin.Program/Settings.cs
index fa266a52f3..a279001747 100644
--- a/Plugins/Wox.Plugin.Program/Settings.cs
+++ b/Plugins/Wox.Plugin.Program/Settings.cs
@@ -1,11 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.IO;
-using Wox.Plugin.Program.Programs;
 
 namespace Wox.Plugin.Program
 {
     public class Settings
     {
+        public DateTime LastReindexTime { get; set; }
         public List<ProgramSource> ProgramSources { get; set; } = new List<ProgramSource>();
         public List<DisabledProgramSource> DisabledProgramSources { get; set; } = new List<DisabledProgramSource>();
         public string[] ProgramSuffixes { get; set; } = {"bat", "appref-ms", "exe", "lnk"};