fix aischeduler bugs

Former-commit-id: 4df953f2a614800510376210d69f82a646cae02f

api/internal/scheduler/schedulers/aiScheduler.go

@@ -129,6 +129,7 @@ func (as *AiScheduler) AssignTask(clusters []*strategy.AssignedCluster) (interfa
 
 	var wg sync.WaitGroup
 	var results []*AiResult
+	var mu sync.Mutex
 	var errs []interface{}
 	var taskNum int32
 	for _, cluster := range clusters {
@@ -158,7 +159,10 @@ func (as *AiScheduler) AssignTask(clusters []*strategy.AssignedCluster) (interfa
 					return
 				}
 
+				mu.Lock()
 				result, _ := convertType(resp)
+				mu.Unlock()
+
 				result.Replica = c.Replicas
 				result.ClusterId = c.ClusterId
 				result.Strategy = as.option.StrategyName