初始化时吧所有的都用了

src/main/java/com/ycwl/basic/utils/ratelimiter/FixedRateLimiter.java

@@ -10,17 +10,18 @@ public class FixedRateLimiter implements IRateLimiter {
     private final ScheduledExecutorService scheduler = new ScheduledThreadPoolExecutor(1);
 
     public FixedRateLimiter(float maxRequestsPerSecond) {
-        int rate = Float.valueOf(1000000 / maxRequestsPerSecond).intValue();
+        semaphore.tryAcquire();
+        int rate = Float.valueOf(1000 / maxRequestsPerSecond).intValue();
         scheduler.scheduleAtFixedRate(() -> {
             if (semaphore.availablePermits() < 1) {
                 semaphore.release(1);
             }
-        }, rate, rate, TimeUnit.NANOSECONDS);
+        }, rate, rate, TimeUnit.MILLISECONDS);
     }
 
 
     public FixedRateLimiter(int rate, TimeUnit timeUnit) {
-        // 启动一个线程每0.5秒释放一个许可
+        semaphore.tryAcquire();
         scheduler.scheduleAtFixedRate(() -> {
             if (semaphore.availablePermits() < 1) {
                 semaphore.release(1);

src/main/java/com/ycwl/basic/utils/ratelimiter/SlidingWindowRateLimiter.java

@@ -12,6 +12,9 @@ public class SlidingWindowRateLimiter implements IRateLimiter {
 
     public SlidingWindowRateLimiter(int maxRequestsPerSecond) {
         this.semaphore = new Semaphore(maxRequestsPerSecond);
+        for (int i = 0; i < maxRequestsPerSecond; i++) {
+            semaphore.tryAcquire();
+        }
         scheduler.scheduleAtFixedRate(() -> {
             if (semaphore.availablePermits() < maxRequestsPerSecond) {
                 semaphore.release(maxRequestsPerSecond - semaphore.availablePermits());
@@ -21,6 +24,9 @@ public class SlidingWindowRateLimiter implements IRateLimiter {
 
     public SlidingWindowRateLimiter(int maxRequests, int perSecond) {
         this.semaphore = new Semaphore(maxRequests);
+        for (int i = 0; i < maxRequests; i++) {
+            semaphore.tryAcquire();
+        }
         scheduler.scheduleAtFixedRate(() -> {
             if (semaphore.availablePermits() < maxRequests) {
                 semaphore.release(maxRequests - semaphore.availablePermits());