diff --git a/service/repositories/image_handle.go b/service/repositories/image_handle.go
index b8fb68ba..7c05432c 100644
--- a/service/repositories/image_handle.go
+++ b/service/repositories/image_handle.go
@@ -175,7 +175,7 @@ type (
 func (l *defaultImageHandle) LogoInfoSet(ctx context.Context, in *LogoInfoSetReq) (*LogoInfoSetRes, error) {
 	fmt.Println("算法请求轮训下标：", globalBLMServiceIndex)
 	var bLMServicePort = l.BLMServicePorts[globalBLMServiceIndex]
-	if len(l.BLMServicePorts) == globalBLMServiceIndex {
+	if len(l.BLMServicePorts) == (globalBLMServiceIndex + 1) {
 		globalBLMServiceIndex = 0
 	} else {
 		globalBLMServiceIndex = globalBLMServiceIndex + 1
@@ -241,7 +241,7 @@ type TemplateTagColor struct {
 func (l *defaultImageHandle) LogoCombine(ctx context.Context, in *LogoCombineReq) (*LogoCombineRes, error) {
 	fmt.Println("算法请求轮训下标：", globalBLMServiceIndex)
 	var bLMServicePort = l.BLMServicePorts[globalBLMServiceIndex]
-	if len(l.BLMServicePorts) == globalBLMServiceIndex {
+	if len(l.BLMServicePorts) == (globalBLMServiceIndex + 1) {
 		globalBLMServiceIndex = 0
 	} else {
 		globalBLMServiceIndex = globalBLMServiceIndex + 1
@@ -432,7 +432,7 @@ type (
 func (l *defaultImageHandle) LogoStandard(ctx context.Context, in *LogoStandardReq) (*LogoStandardRes, error) {
 	fmt.Println("算法请求轮训下标：", globalBLMServiceIndex)
 	var bLMServicePort = l.BLMServicePorts[globalBLMServiceIndex]
-	if len(l.BLMServicePorts) == globalBLMServiceIndex {
+	if len(l.BLMServicePorts) == (globalBLMServiceIndex + 1) {
 		globalBLMServiceIndex = 0
 	} else {
 		globalBLMServiceIndex = globalBLMServiceIndex + 1