ashore0805

The total bucket count always is one for ExceptionCircuitBreaker and ResponseTimeCircuitBreaker, why？

2

## Issue Description public ResponseTimeCircuitBreaker(DegradeRule rule) { this(rule, new SlowRequestLeapArray(1, rule.getStatIntervalMs())); } public ExceptionCircuitBreaker(DegradeRule rule) { this(rule, new SimpleErrorCounterLeapArray(1, rule.getStatIntervalMs())); }