diff --git a/src/main/java/com/yutou/tools/utils/CalendarTools.java b/src/main/java/com/yutou/tools/utils/CalendarTools.java
index c701538..c7a92c4 100644
--- a/src/main/java/com/yutou/tools/utils/CalendarTools.java
+++ b/src/main/java/com/yutou/tools/utils/CalendarTools.java
@@ -12,6 +12,7 @@ import java.util.*;
 @SuppressWarnings("MagicConstant")
 public class CalendarTools {
     public static final String REDIS_TAG = "Calendar";
+    public static final String REDIS_HOLIDAY = "holiday";
 
     public static JSONObject getHoliday() {
         int year = Calendar.getInstance(DateFormat.getDateInstance().getTimeZone(), Locale.CHINA).get(Calendar.YEAR);
@@ -20,7 +21,13 @@ public class CalendarTools {
 
     @SneakyThrows
     public static JSONObject getHoliday(String year) {
-        String get = HttpTools.get(String.format("https://timor.tech/api/holiday/year/%s", year));
+        String get;
+        if(RedisTools.exists(REDIS_HOLIDAY)){
+            get=RedisTools.get(REDIS_HOLIDAY);
+        }else {
+            get = HttpTools.get(String.format("https://timor.tech/api/holiday/year/%s", year));
+            RedisTools.set(REDIS_HOLIDAY,get);
+        }
         JSONObject json = JSONObject.parseObject(get);
         JSONObject date = new JSONObject();
         JSONArray dateHoliday = new JSONArray();
diff --git a/src/main/java/com/yutou/tools/utils/RedisTools.java b/src/main/java/com/yutou/tools/utils/RedisTools.java
index 866026f..244c495 100644
--- a/src/main/java/com/yutou/tools/utils/RedisTools.java
+++ b/src/main/java/com/yutou/tools/utils/RedisTools.java
@@ -135,6 +135,15 @@ public class RedisTools {
         jedis.close();
         return flag;
     }
+    public static boolean exists(String key){
+        if(isNotInstallRedis){
+            return false;
+        }
+        Jedis jedis=getRedis();
+        boolean flag=jedis.exists(key);
+        jedis.close();
+        return flag;
+    }
 
     public static Jedis getRedis() {
         return new Jedis(host, port);