diff --git a/mpp/codec/dec/h264/h264d_global.h b/mpp/codec/dec/h264/h264d_global.h
index 4f3a4af6..29acdfcc 100644
--- a/mpp/codec/dec/h264/h264d_global.h
+++ b/mpp/codec/dec/h264/h264d_global.h
@@ -139,7 +139,7 @@ if ((val) < 0) {\
 
 //!< PPS parameters
 #define MAXnum_slice_groups_minus1  8
-enum {
+typedef enum {
     H264ScalingList4x4Length = 16,
     H264ScalingList8x8Length = 64,
 } ScalingListLength;
diff --git a/mpp/hal/common/h264/hal_h264e_com.h b/mpp/hal/common/h264/hal_h264e_com.h
index 50082f55..95afbf80 100644
--- a/mpp/hal/common/h264/hal_h264e_com.h
+++ b/mpp/hal/common/h264/hal_h264e_com.h
@@ -311,9 +311,9 @@ MPP_RET h264e_set_sps(H264eHalContext *ctx, H264eSps *sps);
 MPP_RET h264e_set_pps(H264eHalContext *ctx, H264ePps *pps, H264eSps *sps);
 void h264e_set_param(H264eHalParam *p, RK_S32 hw_type);
 
-const RK_U8 * const h264e_cqm_jvt[8];
-const RK_U8 h264e_zigzag_scan4[2][16];
-const RK_U8 h264e_zigzag_scan8[2][64];
+extern const RK_U8 * const h264e_cqm_jvt[8];
+extern const RK_U8 h264e_zigzag_scan4[2][16];
+extern const RK_U8 h264e_zigzag_scan8[2][64];
 void h264e_rkv_set_format(H264eHwCfg *hw_cfg, MppEncPrepCfg *prep_cfg);
 void h264e_vpu_set_format(H264eHwCfg *hw_cfg, MppEncPrepCfg *prep_cfg);
 void h264e_sei_pack2str(char *str, H264eHalContext *ctx, RcSyntax *rc_syn);