...

src/main/java/cn/com/qmth/examcloud/web/interceptor/ApiFlowLimitedInterceptor.java

@@ -2,6 +2,7 @@ package cn.com.qmth.examcloud.web.interceptor;
 
 import java.util.Map;
 import java.util.Properties;
+import java.util.concurrent.TimeUnit;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -130,6 +131,12 @@ public class ApiFlowLimitedInterceptor implements HandlerInterceptor {
 			LOG.error("fail to get value of expression. expression= " + expression, e);
 		}
 		if (limited) {
+			// 我也不知道这是啥玩意儿 by wangwei
+			Double mean = apiStatusInfo.getMean();
+			int sleep = mean > 10000 ? 1000 : mean.intValue();
+			sleep = sleep < 100 ? 100 : sleep;
+			Util.sleep(TimeUnit.MILLISECONDS, sleep);
+
 			response.setStatus(HttpStatus.SERVICE_UNAVAILABLE.value());
 			ServletUtil.returnJson(new StatusResponse("503", "limited"), response);
 			return false;