diff --git a/helm-charts/common/lvm-uservice/templates/configmap.yaml b/helm-charts/common/lvm-uservice/templates/configmap.yaml
index f65d5f494..616efe956 100644
--- a/helm-charts/common/lvm-uservice/templates/configmap.yaml
+++ b/helm-charts/common/lvm-uservice/templates/configmap.yaml
@@ -10,6 +10,7 @@ metadata:
 data:
   {{- if eq "TGI" .Values.LVM_BACKEND }}
   LVM_COMPONENT_NAME: "OPEA_TGI_LLAVA_LVM"
+  MAX_IMAGES: {{ .Values.MAX_IMAGES | default 1 | quote }}
   {{- if not .Values.LVM_ENDPOINT }}
   LVM_ENDPOINT: "http://{{ .Release.Name }}-tgi"
   {{- end }}
@@ -19,10 +20,11 @@ data:
   {{- end }}
   {{- if eq "LLaVA" .Values.LVM_BACKEND }}
   LVM_COMPONENT_NAME: "OPEA_LLAVA_LVM"
+  MAX_IMAGES: {{ .Values.MAX_IMAGES | default 1 | quote }}
   {{- else if eq "VideoLlama" .Values.LVM_BACKEND }}
   LVM_COMPONENT_NAME: "OPEA_VIDEO_LLAMA_LVM"
   {{- else if eq "LlamaVision" .Values.LVM_BACKEND }}
-  LVM_COMPONENT_NAME: "OPEA_LLAVA_VISION_LVM"
+  LVM_COMPONENT_NAME: "OPEA_LLAMA_VISION_LVM"
   {{- else if eq "PredictionGuard" .Values.LVM_BACKEND }}
   LVM_COMPONENT_NAME: "OPEA_PREDICTION_GUARD_LVM"
   {{- else }}
diff --git a/helm-charts/common/lvm-uservice/values.yaml b/helm-charts/common/lvm-uservice/values.yaml
index ff1c16f72..988f19d9e 100644
--- a/helm-charts/common/lvm-uservice/values.yaml
+++ b/helm-charts/common/lvm-uservice/values.yaml
@@ -9,6 +9,8 @@
 LOGFLAG: ""
 # backend inference engine to use, i.e. TGI, LLaVA, VideoLlama, LlamaVision, PredictionGuard
 LVM_BACKEND: "TGI"
+# maximum image number sent to backend, only valid for TGI, LLaVa backend
+MAX_IMAGES: 1
 # inference engine service URL, e.g. http://tgi:80
 LVM_ENDPOINT: ""