diff --git a/Bench4Q-Master/src/main/java/org/bench4q/master/infrastructure/highavailable/impl/HighAvailablePoolImpl.java b/Bench4Q-Master/src/main/java/org/bench4q/master/infrastructure/highavailable/impl/HighAvailablePoolImpl.java
index 3fec4818..6416dd6e 100644
--- a/Bench4Q-Master/src/main/java/org/bench4q/master/infrastructure/highavailable/impl/HighAvailablePoolImpl.java
+++ b/Bench4Q-Master/src/main/java/org/bench4q/master/infrastructure/highavailable/impl/HighAvailablePoolImpl.java
@@ -265,13 +265,11 @@ public class HighAvailablePoolImpl extends CurrentLoadSubject implements
 			if (allocationFinish(load)) {
 				break;
 			}
-			if (this.queryAgentStatus(agent) == null || agent.isInUse()
-					|| agent.getRemainLoad() != agent.getMaxLoad()) {
+			if (agent.isInUse()) {
 				continue;
 			}
 			loadForRunCurrent = getMin(load, agent.getRemainLoad());
 			agent.bookTest(loadForRunCurrent);
-			this.getAgentRepository().update(agent);
 			runScenarioResultModel = this.getAgentMessenger().bookTest(agent,
 					loadForRunCurrent);
 			if (runScenarioResultModel == null
@@ -279,6 +277,7 @@ public class HighAvailablePoolImpl extends CurrentLoadSubject implements
 				logger.error(runScenarioResultModel == null ? "runScenarioResultModel is null"
 						: "runScenarioResultModel.getRunId()"
 								+ runScenarioResultModel.getRunId());
+				agent.backLoad(loadForRunCurrent);
 				continue;
 			}
 			load -= loadForRunCurrent;
@@ -289,6 +288,7 @@ public class HighAvailablePoolImpl extends CurrentLoadSubject implements
 							runScenarioResultModel.getRunId());
 			result.add(runningAgentWithouRunningScript);
 			this.addABlotter(runningAgentWithouRunningScript);
+			this.getAgentRepository().update(agent);
 		}
 		if (!allocationFinish(load)) {
 			logger.error("allocationUnfinished, remain " + load