diff --git a/src/optimizer.go b/src/optimizer.go
index 6b3f252..7a7381f 100644
--- a/src/optimizer.go
+++ b/src/optimizer.go
@@ -90,21 +90,30 @@ func (optimizer *Optimizer) feed(job string, utils []int) {
 }
 
 func (optimizer *Optimizer) predictUtilGPU(job string) (int, bool) {
-	log.Info("predictUtilGPU, ", job)
-	return 49, true
-	if _, err := optimizer.jobUtilsGPU[job]; err {
-		return 100, false
+	str := strings.Split(job, "-")
+	if len(str) == 2 {
+		jobName := str[0]
+
+		log.Info("predictUtilGPU, ", jobName)
+		return 49, true
+		if _, err := optimizer.jobUtilsGPU[jobName]; err {
+			return 100, false
+		}
+		if optimizer.versions[jobName] > 5 {
+			return optimizer.jobUtilsGPU[jobName], true
+		}
 	}
-	if optimizer.versions[job] > 5 {
-		return optimizer.jobUtilsGPU[job], true
-	}
-	return optimizer.jobUtilsGPU[job], false
+	return 100, false
 }
 
 func (optimizer *Optimizer) predictTime(job string) (OptimizerJobExecutionTime, bool) {
-	log.Info("predictTime,", job)
-	if _, err := optimizer.predicts[job]; err {
-		return OptimizerJobExecutionTime{}, false
+	str := strings.Split(job, "-")
+	if len(str) == 2 {
+		jobName := str[0]
+		log.Info("predictTime,", jobName)
+		if _, ok := optimizer.predicts[jobName]; ok {
+			return optimizer.predicts[job], optimizer.predicts[jobName].Version > 5
+		}
 	}
-	return optimizer.predicts[job], optimizer.predicts[job].Version > 5
+	return OptimizerJobExecutionTime{}, false
 }
diff --git a/src/scheduler_fair.go b/src/scheduler_fair.go
index c80612a..bcc4ada 100644
--- a/src/scheduler_fair.go
+++ b/src/scheduler_fair.go
@@ -267,13 +267,6 @@ func (scheduler *SchedulerFair) AcquireResource(job Job, task Task) NodeStatus {
 	log.Info(allocationType)
 	/*assign*/
 	if len(candidates) > 0 {
-		var available []GPUStatus
-		for _, status := range candidates[0].Status {
-			if status.MemoryAllocated == 0 && status.MemoryUsed < 10 {
-				available = append(available, status)
-			}
-		}
-
 		node := candidates[0]
 		res.ClientID = node.ClientID
 		res.ClientHost = node.ClientHost