diff --git a/internal/logic/strategy/boot.go b/internal/logic/strategy/boot.go
index 5fbb075..da0e3b5 100644
--- a/internal/logic/strategy/boot.go
+++ b/internal/logic/strategy/boot.go
@@ -19,11 +19,20 @@ func BootAiStart(key string, ymd int) {
 		panic(err)
 	}
 
-	var wg sync.WaitGroup
+	// Create a buffered channel with a capacity of 20 to act as a semaphore
+	semaphore := make(chan struct{}, 20)
 
+	var wg sync.WaitGroup
 	for _, row := range datas {
 		wg.Add(1)
-		go BootAiTask(row.ID, row.Code, &wg)
+		// Acquire a slot in the semaphore
+		semaphore <- struct{}{}
+		go func(row models.StratModel) {
+			defer wg.Done()
+			// Release the slot in the semaphore when done
+			defer func() { <-semaphore }()
+			BootAiTask(row.ID, row.Code, &wg)
+		}(row)
 	}
 
 	wg.Wait()