diff --git a/inc/rk_mpi.h b/inc/rk_mpi.h
index 376f261c..ce26e731 100644
--- a/inc/rk_mpi.h
+++ b/inc/rk_mpi.h
@@ -170,9 +170,9 @@ extern "C" {
 /*
  * mpp interface
  */
-MPP_RET mpp_construct(MppCtx *ctx, MppApi **mpi);
+MPP_RET mpp_create(MppCtx *ctx, MppApi **mpi);
 MPP_RET mpp_init(MppCtx ctx, MppCtxType type, MppCodingType coding);
-MPP_RET mpp_deinit(MppCtx ctx);
+MPP_RET mpp_destroy(MppCtx ctx);
 
 #ifdef __cplusplus
 }
diff --git a/mpp/legacy/vpu_api_legacy.cpp b/mpp/legacy/vpu_api_legacy.cpp
index 2bf41a6e..b572b6ba 100644
--- a/mpp/legacy/vpu_api_legacy.cpp
+++ b/mpp/legacy/vpu_api_legacy.cpp
@@ -30,7 +30,7 @@ VpuApi::VpuApi()
 #ifdef DUMP_YUV
     fp = fopen("data/hevcdump.yuv", "wb");
 #endif
-    mpp_construct(&mpp_ctx, &mpi);
+    mpp_create(&mpp_ctx, &mpi);
     frame_count  = 0;
     set_eos = 0;
     mpp_log_f("ok\n");
@@ -40,7 +40,7 @@ VpuApi::VpuApi()
 VpuApi::~VpuApi()
 {
     mpp_log_f("in\n");
-    mpp_deinit(mpp_ctx);
+    mpp_destroy(mpp_ctx);
     mpp_log_f("ok\n");
 }
 
diff --git a/mpp/mpi.cpp b/mpp/mpi.cpp
index 5b88e9e5..73752ce4 100644
--- a/mpp/mpi.cpp
+++ b/mpp/mpi.cpp
@@ -63,7 +63,7 @@ static MPP_RET mpi_decode_put_packet(MppCtx ctx, MppPacket packet)
     MpiImpl *p = (MpiImpl *)ctx;
 
     if (NULL == p || p->check != p || NULL == p->ctx || NULL == packet) {
-        mpp_err("mpi_decode_put_packet found invalid context input ctx %p packet %p\n",
+        mpp_err_f("found invalid context input ctx %p packet %p\n",
                 ctx, packet);
         return MPP_ERR_UNKNOW;
     }
@@ -80,7 +80,7 @@ static MPP_RET mpi_decode_get_frame(MppCtx ctx, MppFrame *frame)
     MpiImpl *p = (MpiImpl *)ctx;
 
     if (NULL == p || p->check != p || NULL == p->ctx || NULL == frame) {
-        mpp_err("mpi_decode_get_frame found invalid context input ctx %p frame %p\n",
+        mpp_err_f("found invalid context input ctx %p frame %p\n",
                 ctx, frame);
         return MPP_ERR_UNKNOW;
     }
@@ -97,7 +97,7 @@ static MPP_RET mpi_encode_put_frame(MppCtx ctx, MppFrame frame)
     MpiImpl *p = (MpiImpl *)ctx;
 
     if (NULL == p || p->check != p || NULL == p->ctx || NULL == frame) {
-        mpp_err("mpi_encode_put_frame found invalid context input ctx %p frame %p\n",
+        mpp_err_f("found invalid context input ctx %p frame %p\n",
                 ctx, frame);
         return MPP_ERR_UNKNOW;
     }
@@ -114,7 +114,7 @@ static MPP_RET mpi_encode_get_packet(MppCtx ctx, MppPacket *packet)
     MpiImpl *p = (MpiImpl *)ctx;
 
     if (NULL == p || p->check != p || NULL == p->ctx || NULL == packet) {
-        mpp_err("mpi_encode_get_packet found invalid context input ctx %p packet %p\n",
+        mpp_err_f("found invalid context input ctx %p packet %p\n",
                 ctx, packet);
         return MPP_ERR_UNKNOW;
     }
@@ -161,15 +161,14 @@ static MppApi mpp_api = {
     {0},
 };
 
-MPP_RET mpp_construct(MppCtx *ctx, MppApi **mpi)
+MPP_RET mpp_create(MppCtx *ctx, MppApi **mpi)
 {
-
     MpiImpl *p;
 
     MPI_FUNCTION_ENTER();
 
     if (NULL == ctx || NULL == mpi) {
-        mpp_err("mpp_init invalid input ctx %p mpi %p\n", ctx, mpi);
+        mpp_err_f("invalid input ctx %p mpi %p\n", ctx, mpi);
         return MPP_ERR_NULL_PTR;
     }
 
@@ -178,7 +177,7 @@ MPP_RET mpp_construct(MppCtx *ctx, MppApi **mpi)
 
     p = mpp_malloc(MpiImpl, 1);
     if (NULL == p) {
-        mpp_err("mpp_init failed to allocate context\n");
+        mpp_err_f("failed to allocate context\n");
         return MPP_ERR_MALLOC;
     }
 
@@ -186,7 +185,7 @@ MPP_RET mpp_construct(MppCtx *ctx, MppApi **mpi)
     p->ctx = new Mpp();
     if (NULL == p->ctx) {
         mpp_free(p);
-        mpp_err("mpp_construct failed to new Mpp\n");
+        mpp_err_f("failed to new Mpp\n");
         return MPP_ERR_MALLOC;
     }
     p->api      = &mpp_api;
@@ -206,7 +205,7 @@ MPP_RET mpp_init(MppCtx ctx, MppCtxType type, MppCodingType coding)
     if (NULL == ctx ||
         type >= MPP_CTX_BUTT ||
         coding >= MPP_VIDEO_CodingMax) {
-        mpp_err("mpp_init invalid input ctx %p type %d coding %d\n",
+        mpp_err_f("invalid input ctx %p type %d coding %d\n",
                 ctx, type, coding);
         return MPP_ERR_NULL_PTR;
     }
@@ -220,20 +219,20 @@ MPP_RET mpp_init(MppCtx ctx, MppCtxType type, MppCodingType coding)
     return MPP_OK;
 }
 
-MPP_RET mpp_deinit(MppCtx ctx)
+MPP_RET mpp_destroy(MppCtx ctx)
 {
     MpiImpl *p;
     MPI_FUNCTION_ENTER();
 
     if (NULL == ctx) {
-        mpp_err("mpp_deinit input ctx %p is null pointer\n", ctx);
+        mpp_err_f("input ctx %p is null pointer\n", ctx);
         return MPP_ERR_NULL_PTR;
     }
 
     p = (MpiImpl*)ctx;
 
     if (p->check != p) {
-        mpp_err("mpp_deinit input invalid MppCtx\n");
+        mpp_err_f("input invalid MppCtx\n");
         return MPP_ERR_UNKNOW;
     }
 
diff --git a/test/mpi_test.c b/test/mpi_test.c
index 84db6fc6..92a7f5c9 100644
--- a/test/mpi_test.c
+++ b/test/mpi_test.c
@@ -63,10 +63,10 @@ int mpi_test()
     mpp_log("mpi_test decoder test start\n");
 
     // decoder demo
-    ret = mpp_construct(&ctx, &mpi);
+    ret = mpp_create(&ctx, &mpi);
 
     if (MPP_OK != ret) {
-        mpp_err("mpp_construct failed\n");
+        mpp_err("mpp_create failed\n");
         goto MPP_TEST_FAILED;
     }
     ret = mpp_init(ctx, MPP_CTX_DEC, MPP_VIDEO_CodingUnused);
@@ -172,15 +172,15 @@ int mpi_test()
         goto MPP_TEST_FAILED;
     }
 
-    mpp_deinit(ctx);
+    mpp_destroy(ctx);
 
 
     mpp_log("mpi_test encoder test start\n");
 
     // encoder demo
-    ret = mpp_construct(&ctx, &mpi);
+    ret = mpp_create(&ctx, &mpi);
     if (MPP_OK != ret) {
-        mpp_err("mpp_construct failed\n");
+        mpp_err("mpp_create failed\n");
         goto MPP_TEST_FAILED;
     }
 
@@ -259,7 +259,7 @@ int mpi_test()
     if (enc_in)
         mpp_frame_deinit(&enc_in);
 
-    mpp_deinit(ctx);
+    mpp_destroy(ctx);
     free(buf);
 
     mpp_log("mpi_test success\n");
@@ -274,7 +274,7 @@ MPP_TEST_FAILED:
         mpp_frame_deinit(&enc_in);
 
     if (ctx)
-        mpp_deinit(ctx);
+        mpp_destroy(ctx);
     if (buf)
         free(buf);