diff --git a/mpp/hal/rkdec/vp9d/hal_vp9d_api.c b/mpp/hal/rkdec/vp9d/hal_vp9d_api.c
index e02039d7..2233a06e 100644
--- a/mpp/hal/rkdec/vp9d/hal_vp9d_api.c
+++ b/mpp/hal/rkdec/vp9d/hal_vp9d_api.c
@@ -59,7 +59,7 @@ MPP_RET hal_vp9d_init(void *ctx, MppHalCfg *cfg)
         p->api = &hal_vp9d_vdpu34x;
         cfg->support_fast_mode = 1;
         if (mpp_get_soc_type() == ROCKCHIP_SOC_RK3588)
-            cfg->support_fast_mode = 0;
+            cfg->cfg->status.hal_task_count = 2;
     } else {
         p->api = &hal_vp9d_rkv;
         cfg->support_fast_mode = 0;