diff --git a/src/main/java/com/yolo/keyborad/service/impl/KeyboardCharacterServiceImpl.java b/src/main/java/com/yolo/keyborad/service/impl/KeyboardCharacterServiceImpl.java
index 6e0bf3b..1e9f53b 100644
--- a/src/main/java/com/yolo/keyborad/service/impl/KeyboardCharacterServiceImpl.java
+++ b/src/main/java/com/yolo/keyborad/service/impl/KeyboardCharacterServiceImpl.java
@@ -97,10 +97,21 @@ public class KeyboardCharacterServiceImpl extends ServiceImpl<KeyboardCharacterM
 
     @Override
     public List<KeyboardCharacterRespVO> selectListByTag(Long tagId) {
-        List<KeyboardCharacter> keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
-                .eq(KeyboardCharacter::getDeleted, false)
-                .eq(KeyboardCharacter::getTag, tagId)
-                .orderByDesc(KeyboardCharacter::getRank));
+        // 先从缓存获取指定标签的人设列表
+        String cacheKey = "character:list:tag:" + tagId;
+        List<KeyboardCharacter> keyboardCharacters = (List<KeyboardCharacter>) redisTemplate.opsForValue().get(cacheKey);
+
+        if (keyboardCharacters == null) {
+            // 缓存未命中，从数据库查询
+            keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
+                    .eq(KeyboardCharacter::getDeleted, false)
+                    .eq(KeyboardCharacter::getTag, tagId)
+                    .orderByDesc(KeyboardCharacter::getRank));
+            // 缓存到Redis，7天过期
+            if (keyboardCharacters != null && !keyboardCharacters.isEmpty()) {
+                redisTemplate.opsForValue().set(cacheKey, keyboardCharacters, 7, TimeUnit.DAYS);
+            }
+        }
 
         long userId = StpUtil.getLoginIdAsLong();
         List<KeyboardUserCharacterVO> userCharacterVOList = keyboardUserCharacterMapper.selectByUserId(userId);
@@ -181,18 +192,40 @@ public class KeyboardCharacterServiceImpl extends ServiceImpl<KeyboardCharacterM
 
     @Override
     public List<KeyboardCharacterRespVO> selectListWithNotLoginRank() {
-        List<KeyboardCharacter> keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
-                .eq(KeyboardCharacter::getDeleted, false)
-                .orderByAsc(KeyboardCharacter::getRank));
+        // 先从缓存获取所有人设列表
+        String cacheKey = "character:list:all";
+        List<KeyboardCharacter> keyboardCharacters = (List<KeyboardCharacter>) redisTemplate.opsForValue().get(cacheKey);
+
+        if (keyboardCharacters == null) {
+            // 缓存未命中，从数据库查询
+            keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
+                    .eq(KeyboardCharacter::getDeleted, false)
+                    .orderByAsc(KeyboardCharacter::getRank));
+            // 缓存到Redis，7天过期
+            if (keyboardCharacters != null && !keyboardCharacters.isEmpty()) {
+                redisTemplate.opsForValue().set(cacheKey, keyboardCharacters, 7, TimeUnit.DAYS);
+            }
+        }
         return BeanUtil.copyToList(keyboardCharacters, KeyboardCharacterRespVO.class);
     }
 
     @Override
     public List<KeyboardCharacterRespVO> selectListByTagWithNotLogin(Long tagId) {
-        List<KeyboardCharacter> keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
-                .eq(KeyboardCharacter::getDeleted, false)
-                .eq(KeyboardCharacter::getTag, tagId)
-                .orderByDesc(KeyboardCharacter::getRank));
+        // 先从缓存获取指定标签的人设列表
+        String cacheKey = "character:list:tag:" + tagId;
+        List<KeyboardCharacter> keyboardCharacters = (List<KeyboardCharacter>) redisTemplate.opsForValue().get(cacheKey);
+
+        if (keyboardCharacters == null) {
+            // 缓存未命中，从数据库查询
+            keyboardCharacters = keyboardCharacterMapper.selectList(new LambdaQueryWrapper<KeyboardCharacter>()
+                    .eq(KeyboardCharacter::getDeleted, false)
+                    .eq(KeyboardCharacter::getTag, tagId)
+                    .orderByDesc(KeyboardCharacter::getRank));
+            // 缓存到Redis，7天过期
+            if (keyboardCharacters != null && !keyboardCharacters.isEmpty()) {
+                redisTemplate.opsForValue().set(cacheKey, keyboardCharacters, 7, TimeUnit.DAYS);
+            }
+        }
         return BeanUtil.copyToList(keyboardCharacters, KeyboardCharacterRespVO.class);
     }