diff --git a/mpp/codec/dec/h264/h264d_api.c b/mpp/codec/dec/h264/h264d_api.c
index 34b6a1a4..df99e42f 100644
--- a/mpp/codec/dec/h264/h264d_api.c
+++ b/mpp/codec/dec/h264/h264d_api.c
@@ -56,7 +56,7 @@ MPP_RET  h264d_control(void *decoder, RK_S32 cmd_type, void *param)
 }
 
 
-MPP_RET h264d_parser(void *decoder, MppPacket pkt, HalDecTask *task)
+MPP_RET h264d_parse(void *decoder, MppPacket pkt, HalDecTask *task)
 {
     (void)decoder;
     (void)pkt;
@@ -64,14 +64,14 @@ MPP_RET h264d_parser(void *decoder, MppPacket pkt, HalDecTask *task)
     return MPP_OK;
 }
 
-const MppDecParser api_h264d_parser = {
+const MppDecParser h264d_parser = {
     "h264d_parser",
     MPP_VIDEO_CodingAVC,
     0,
     0,
     h264d_init,
     h264d_deinit,
-    h264d_parser,
+    h264d_parse,
     h264d_reset,
     h264d_flush,
     h264d_control,
diff --git a/mpp/codec/inc/h264d_api.h b/mpp/codec/inc/h264d_api.h
index 7490f7ac..9da19521 100644
--- a/mpp/codec/inc/h264d_api.h
+++ b/mpp/codec/inc/h264d_api.h
@@ -23,14 +23,14 @@
 extern "C" {
 #endif
 
-extern const MppDecParser api_h264d_parser;
+extern const MppDecParser h264d_parser;
 
 MPP_RET  h264d_init   (void *decoder, MppParserInitCfg *cfg);
 MPP_RET  h264d_deinit (void *decoder);
 MPP_RET  h264d_reset  (void *decoder);
 MPP_RET  h264d_flush  (void *decoder);
 MPP_RET  h264d_control(void *decoder, RK_S32 cmd_type, void *param);
-MPP_RET  h264d_parser (void *decoder, MppPacket pkt, HalDecTask *task);
+MPP_RET  h264d_parse  (void *decoder, MppPacket pkt, HalDecTask *task);
 
 #ifdef  __cplusplus
 }
diff --git a/mpp/codec/mpp_dec.cpp b/mpp/codec/mpp_dec.cpp
index 5f3334e7..564787ad 100644
--- a/mpp/codec/mpp_dec.cpp
+++ b/mpp/codec/mpp_dec.cpp
@@ -36,7 +36,7 @@
  * all decoder static register here
  */
 static const MppDecParser *parsers[] = {
-    &api_h264d_parser,
+    &h264d_parser,
     &dummy_dec_parser,
 };
 
diff --git a/test/mpi_test.c b/test/mpi_test.c
index 22d563d0..7f1a2c44 100644
--- a/test/mpi_test.c
+++ b/test/mpi_test.c
@@ -64,7 +64,7 @@ int main()
     mpp_log("mpi_test decoder test start\n");
 
     // decoder demo
-    ret = mpp_init(&ctx, &mpi, MPP_CTX_DEC, MPP_VIDEO_CodingAVC);
+    ret = mpp_init(&ctx, &mpi, MPP_CTX_DEC, MPP_VIDEO_CodingUnused);
     if (MPP_OK != ret) {
         mpp_err("mpp_init failed\n");
         goto MPP_TEST_FAILED;
@@ -151,7 +151,7 @@ int main()
     mpp_log("mpi_test encoder test start\n");
 
     // encoder demo
-    ret = mpp_init(&ctx, &mpi, MPP_CTX_ENC, MPP_VIDEO_CodingAVC);
+    ret = mpp_init(&ctx, &mpi, MPP_CTX_ENC, MPP_VIDEO_CodingUnused);
     if (MPP_OK != ret) {
         mpp_err("mpp_init failed\n");
         goto MPP_TEST_FAILED;