diff --git a/continew-starter-cache/continew-starter-cache-redisson/src/main/java/top/continew/starter/cache/redisson/util/RedisUtils.java b/continew-starter-cache/continew-starter-cache-redisson/src/main/java/top/continew/starter/cache/redisson/util/RedisUtils.java
index a3079d9a..c65f7b8e 100644
--- a/continew-starter-cache/continew-starter-cache-redisson/src/main/java/top/continew/starter/cache/redisson/util/RedisUtils.java
+++ b/continew-starter-cache/continew-starter-cache-redisson/src/main/java/top/continew/starter/cache/redisson/util/RedisUtils.java
@@ -16,6 +16,7 @@
 
 package top.continew.starter.cache.redisson.util;
 
+import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.extra.spring.SpringUtil;
 import org.redisson.api.*;
 import top.continew.starter.core.constant.StringConstants;
@@ -206,25 +207,6 @@ public class RedisUtils {
         return rateLimiter.tryAcquire(1);
     }
 
-    /**
-     * 限流
-     *
-     * @param key          限流key
-     * @param rateType     限流类型
-     * @param rate         速率
-     * @param rateInterval 速率间隔
-     * @return -1 表示失败
-     */
-    public static long rateLimiter(String key, RateType rateType, int rate, int rateInterval, RateIntervalUnit unit) {
-        RRateLimiter rateLimiter = CLIENT.getRateLimiter(key);
-        rateLimiter.trySetRate(rateType, rate, rateInterval, unit);
-        if (rateLimiter.tryAcquire()) {
-            return rateLimiter.availablePermits();
-        } else {
-            return -1L;
-        }
-    }
-
     /**
      * 格式化键，将各子键用 : 拼接起来
      *
@@ -232,6 +214,6 @@ public class RedisUtils {
      * @return 键
      */
     public static String formatKey(String... subKeys) {
-        return String.join(StringConstants.COLON, subKeys);
+        return String.join(StringConstants.COLON, ArrayUtil.removeBlank(subKeys));
     }
 }
diff --git a/continew-starter-security/continew-starter-security-limiter/src/main/java/top/continew/starter/security/limiter/core/DefaultRateLimiterNameGenerator.java b/continew-starter-security/continew-starter-security-limiter/src/main/java/top/continew/starter/security/limiter/core/DefaultRateLimiterNameGenerator.java
index c2a1a847..3ff7005f 100644
--- a/continew-starter-security/continew-starter-security-limiter/src/main/java/top/continew/starter/security/limiter/core/DefaultRateLimiterNameGenerator.java
+++ b/continew-starter-security/continew-starter-security-limiter/src/main/java/top/continew/starter/security/limiter/core/DefaultRateLimiterNameGenerator.java
@@ -45,9 +45,7 @@ public class DefaultRateLimiterNameGenerator implements RateLimiterNameGenerator
                 this.getDescriptor(nameSb, clazz);
             }
             nameSb.append(StringConstants.ROUND_BRACKET_END);
-            String str = nameSb.toString();
-            nameMap.put(method, str);
-            return str;
+            return nameSb.toString();
         });
     }
 
@@ -71,7 +69,7 @@ public class DefaultRateLimiterNameGenerator implements RateLimiterNameGenerator
                 String name = clazz.getName();
                 name = ClassUtil.getShortClassName(name);
                 sb.append(name);
-                sb.append(StringConstants.COLON);
+                sb.append(StringConstants.SEMICOLON);
                 return;
             }
         }