diff --git a/mpp/codec/dec/h265/h265d_parser.c b/mpp/codec/dec/h265/h265d_parser.c
index 7b180e18..00fbd529 100644
--- a/mpp/codec/dec/h265/h265d_parser.c
+++ b/mpp/codec/dec/h265/h265d_parser.c
@@ -716,6 +716,9 @@ static RK_S32 hls_slice_header(HEVCContext *s)
     if (s->nal_unit_type >= 16 && s->nal_unit_type <= 23)
         READ_ONEBIT(gb, &sh->no_output_of_prior_pics_flag);
 
+   if(IS_IRAP(s) && s->miss_ref_flag){
+        s->miss_ref_flag = 0;
+   }
     READ_UE(gb, &pps_id);
 
     if (pps_id >= MAX_PPS_COUNT || !s->pps_list[pps_id]) {
@@ -1129,6 +1132,12 @@ static RK_S32 hevc_frame_start(HEVCContext *s)
 
 
     ret = mpp_hevc_frame_rps(s);
+    if(s->miss_ref_flag){
+        mpp_frame_set_errinfo(s->frame,VPU_FRAME_ERR_UNKNOW);
+    }
+	
+    mpp_buf_slot_set_prop(s->slots, s->ref->slot_index, SLOT_FRAME, s->ref->frame);
+	
     if (ret < 0) {
         mpp_err("Error constructing the frame RPS.\n");
         goto fail;
diff --git a/mpp/codec/dec/h265/h265d_parser.h b/mpp/codec/dec/h265/h265d_parser.h
index 38a990e7..5d4eba89 100644
--- a/mpp/codec/dec/h265/h265d_parser.h
+++ b/mpp/codec/dec/h265/h265d_parser.h
@@ -696,6 +696,7 @@ typedef struct HEVCContext {
 
     RK_S64 pts;
 	RK_U8  has_get_eos;
+	RK_U8  miss_ref_flag;
 } HEVCContext;
 
 RK_S32 mpp_hevc_decode_short_term_rps(HEVCContext *s, ShortTermRPS *rps,
diff --git a/mpp/codec/dec/h265/h265d_refs.c b/mpp/codec/dec/h265/h265d_refs.c
index c2c0adc9..f4a31be0 100644
--- a/mpp/codec/dec/h265/h265d_refs.c
+++ b/mpp/codec/dec/h265/h265d_refs.c
@@ -95,6 +95,7 @@ static HEVCFrame *alloc_frame(HEVCContext *s)
         mpp_frame_set_hor_stride(frame->frame, (s->h265dctx->coded_width * s->h265dctx->nBitDepth) >> 3);
         mpp_frame_set_ver_stride(frame->frame, s->h265dctx->coded_height);
         mpp_frame_set_fmt(frame->frame, s->h265dctx->pix_fmt);
+        mpp_frame_set_errinfo(frame->frame,0);
 
         h265d_dbg(H265D_DBG_GLOBAL, "w_stride %d h_stride %d\n", s->h265dctx->coded_width, s->h265dctx->coded_height);
 
@@ -161,7 +162,6 @@ int mpp_hevc_set_new_ref(HEVCContext *s, MppFrame *mframe, int poc)
 
     mpp_buf_slot_set_flag(s->slots, ref->slot_index, SLOT_CODEC_USE);
     mpp_buf_slot_set_flag(s->slots, ref->slot_index, SLOT_HAL_OUTPUT);
-    mpp_buf_slot_set_prop(s->slots, ref->slot_index, SLOT_FRAME, ref->frame);
     s->task->output = ref->slot_index;
 
     ref->sequence = s->seq_decode;
@@ -333,6 +333,7 @@ static int add_candidate_ref(HEVCContext *s, RefPicList *list,
         return  MPP_ERR_STREAM;
 
     if (!ref) {
+        s->miss_ref_flag = 1;
         ref = generate_missing_ref(s, poc);
         if (!ref)
             return MPP_ERR_NOMEM;
diff --git a/mpp/hal/rkdec/h265d/hal_h265d_reg.c b/mpp/hal/rkdec/h265d/hal_h265d_reg.c
index 5b6acfa7..3d621d61 100644
--- a/mpp/hal/rkdec/h265d/hal_h265d_reg.c
+++ b/mpp/hal/rkdec/h265d/hal_h265d_reg.c
@@ -1392,6 +1392,7 @@ MPP_RET hal_h265d_gen_regs(void *hal,  HalTaskInfo *syn)
     H265d_REGS_t *hw_regs;
     RK_S32 ret = MPP_SUCCESS;
     MppBuffer streambuf = NULL;
+    RK_S32 valid_ref;
 
 #ifdef ANDROID
     MppBuffer framebuf = NULL;
@@ -1515,8 +1516,9 @@ MPP_RET hal_h265d_gen_regs(void *hal,  HalTaskInfo *syn)
             mpp_buf_slot_get_prop(reg_cxt->slots, dxva_cxt->pp.RefPicList[i].Index7Bits, SLOT_BUFFER, &framebuf);
             if (framebuf != NULL) {
                 hw_regs->sw_refer_base[i] = mpp_buffer_get_fd(framebuf);
+                valid_ref = hw_regs->sw_refer_base[i];
             } else {
-                hw_regs->sw_refer_base[i] = hw_regs->sw_decout_base;
+                hw_regs->sw_refer_base[i] = valid_ref;
             }
             hw_regs->sw_ref_valid          |=   (1 << i);
         } else {