diff --git a/inc/rk_venc_cmd.h b/inc/rk_venc_cmd.h
index ef712fd7..799f96fe 100644
--- a/inc/rk_venc_cmd.h
+++ b/inc/rk_venc_cmd.h
@@ -1068,6 +1068,7 @@ typedef struct MppEncH265DblkCfg_t {
 typedef struct MppEncH265SaoCfg_t {
     RK_U32  slice_sao_luma_disable;
     RK_U32  slice_sao_chroma_disable;
+    RK_U32  sao_bit_ratio;
 } MppEncH265SaoCfg;
 
 typedef struct MppEncH265TransCfg_t {
diff --git a/mpp/base/mpp_enc_cfg.cpp b/mpp/base/mpp_enc_cfg.cpp
index eda330b4..9e02810f 100644
--- a/mpp/base/mpp_enc_cfg.cpp
+++ b/mpp/base/mpp_enc_cfg.cpp
@@ -214,6 +214,7 @@ public:
     ENTRY(h265, qp_delta_ip,    S32,        MPP_ENC_RC_CFG_CHANGE_QP_IP,            rc, qp_delta_ip) \
     ENTRY(h265, sao_luma_disable,   S32,    MPP_ENC_H265_CFG_SAO_CHANGE,            codec.h265, sao_cfg.slice_sao_luma_disable) \
     ENTRY(h265, sao_chroma_disable, S32,    MPP_ENC_H265_CFG_SAO_CHANGE,            codec.h265, sao_cfg.slice_sao_chroma_disable) \
+    ENTRY(h265, sao_bit_ratio,  S32,        MPP_ENC_H265_CFG_SAO_CHANGE,            codec.h265, sao_cfg.sao_bit_ratio) \
     ENTRY(h265, lpf_acs_sli_en, U32,        MPP_ENC_H265_CFG_SLICE_LPFACS_CHANGE,   codec.h265, lpf_acs_sli_en) \
     ENTRY(h265, lpf_acs_tile_disable, U32,  MPP_ENC_H265_CFG_TILE_LPFACS_CHANGE,    codec.h265, lpf_acs_tile_disable) \
     ENTRY(h265, auto_tile,      S32,        MPP_ENC_H265_CFG_TILE_CHANGE,           codec.h265, auto_tile) \