diff --git a/internal/utils/system_1.19.go b/internal/utils/system_1.19.go
index 8ada108..5a267b2 100644
--- a/internal/utils/system_1.19.go
+++ b/internal/utils/system_1.19.go
@@ -16,7 +16,7 @@ func setMaxMemory(memoryGB int) {
 	if memoryGB > 10 {
 		maxMemoryBytes = int64(memoryGB-2) << 30 // 超过10G内存的允许剩余2G内存
 	} else {
-		maxMemoryBytes = (int64(memoryGB) << 30) * 100 / 80 // 默认 80%
+		maxMemoryBytes = (int64(memoryGB) << 30) * 80 / 100 // 默认 80%
 	}
 
 	debug.SetMemoryLimit(maxMemoryBytes)