diff --git a/server/src/main/java/org/apache/seata/server/ratelimit/TokenBucketLimiter.java b/server/src/main/java/org/apache/seata/server/ratelimit/TokenBucketLimiter.java
index 9ce1bd21123..194aa301a38 100644
--- a/server/src/main/java/org/apache/seata/server/ratelimit/TokenBucketLimiter.java
+++ b/server/src/main/java/org/apache/seata/server/ratelimit/TokenBucketLimiter.java
@@ -64,9 +64,9 @@ public class TokenBucketLimiter implements RateLimiter, Initialize {
      */
     private Bucket bucket;
 
-    private final int DEFAULT_BUCKET_TOKEN_NUM_PER_SECOND = Integer.MAX_VALUE;
-    private final int DEFAULT_BUCKET_TOKEN_MAX_NUM = Integer.MAX_VALUE;
-    private final int DEFAULT_BUCKET_TOKEN_INITIAL_NUM = Integer.MAX_VALUE;
+    private static final int DEFAULT_BUCKET_TOKEN_NUM_PER_SECOND = Integer.MAX_VALUE;
+    private static final int DEFAULT_BUCKET_TOKEN_MAX_NUM = Integer.MAX_VALUE;
+    private static final int DEFAULT_BUCKET_TOKEN_INITIAL_NUM = Integer.MAX_VALUE;
 
     public TokenBucketLimiter() {}