diff --git a/platform/include/packet_io.h b/platform/include/packet_io.h
index ad45bb2..978d2f7 100644
--- a/platform/include/packet_io.h
+++ b/platform/include/packet_io.h
@@ -59,13 +59,13 @@ void packet_io_destory(struct packet_io *handle);
 
 // return  0 for success
 // return -1 for error
-int packet_io_thread_init(struct packet_io *handle, struct thread_ctx *thread_ctx);
-void packet_io_thread_wait(struct packet_io *handle, struct thread_ctx *thread_ctx, int timeout_ms);
+int packet_io_init(struct packet_io *handle, struct thread_ctx *thread_ctx);
+void packet_io_wait(struct packet_io *handle, struct thread_ctx *thread_ctx, int timeout_ms);
 
 // return n_packet_recved
-int packet_io_thread_polling_nf(struct packet_io *handle, struct thread_ctx *thread_ctx);
-int packet_io_thread_polling_endpoint_l3(struct packet_io *handle, struct thread_ctx *thread_ctx);
-int packet_io_thread_polling_endpoint_l2(struct packet_io *handle, struct thread_ctx *thread_ctx);
+int packet_io_polling_nf(struct packet_io *handle, struct thread_ctx *thread_ctx);
+int packet_io_polling_endpoint_l3(struct packet_io *handle, struct thread_ctx *thread_ctx);
+int packet_io_polling_endpoint_l2(struct packet_io *handle, struct thread_ctx *thread_ctx);
 
 #ifdef __cpluscplus
 }
diff --git a/platform/src/main.cpp b/platform/src/main.cpp
index 88cb26e..ae532b2 100644
--- a/platform/src/main.cpp
+++ b/platform/src/main.cpp
@@ -81,7 +81,7 @@ static void *worker_thread_cycle(void *arg)
     snprintf(thread_name, sizeof(thread_name), "sce:worker-%d", thread_index);
     prctl(PR_SET_NAME, (unsigned long long)thread_name, NULL, NULL, NULL);
 
-    if (packet_io_thread_init(handle, thread_ctx) != 0)
+    if (packet_io_init(handle, thread_ctx) != 0)
     {
         goto error_out;
     }
@@ -90,9 +90,9 @@ static void *worker_thread_cycle(void *arg)
 
     while (!ATOMIC_READ(&is_need_stop))
     {
-        n_packet_recved = packet_io_thread_polling_nf(handle, thread_ctx);
-        n_packet_recved += packet_io_thread_polling_endpoint_l3(handle, thread_ctx);
-        n_packet_recved += packet_io_thread_polling_endpoint_l2(handle, thread_ctx);
+        n_packet_recved = packet_io_polling_nf(handle, thread_ctx);
+        n_packet_recved += packet_io_polling_endpoint_l3(handle, thread_ctx);
+        n_packet_recved += packet_io_polling_endpoint_l2(handle, thread_ctx);
         if (n_packet_recved == 0)
         {
             timeout_ms = sf_metrics_last_send_ts + sf_metrics_send_interval - timestamp_get_msec(ts);
@@ -101,7 +101,7 @@ static void *worker_thread_cycle(void *arg)
                 timeout_ms = 0;
             }
 
-            packet_io_thread_wait(handle, thread_ctx, timeout_ms);
+            packet_io_wait(handle, thread_ctx, timeout_ms);
         }
 
         global_metrics_update(global_metrics, thread_metrics, thread_index);
diff --git a/platform/src/packet_io.cpp b/platform/src/packet_io.cpp
index 1896799..f1d15ae 100644
--- a/platform/src/packet_io.cpp
+++ b/platform/src/packet_io.cpp
@@ -1461,7 +1461,7 @@ void packet_io_destory(struct packet_io *handle)
     }
 }
 
-int packet_io_thread_init(struct packet_io *handle, struct thread_ctx *thread_ctx)
+int packet_io_init(struct packet_io *handle, struct thread_ctx *thread_ctx)
 {
     if (marsio_thread_init(handle->instance) != 0)
     {
@@ -1472,7 +1472,7 @@ int packet_io_thread_init(struct packet_io *handle, struct thread_ctx *thread_ct
     return 0;
 }
 
-void packet_io_thread_wait(struct packet_io *handle, struct thread_ctx *thread_ctx, int timeout_ms)
+void packet_io_wait(struct packet_io *handle, struct thread_ctx *thread_ctx, int timeout_ms)
 {
     struct mr_vdev *vdevs[3] = {
         handle->dev_nf.mr_dev,
@@ -1491,7 +1491,7 @@ void packet_io_thread_wait(struct packet_io *handle, struct thread_ctx *thread_c
     }
 }
 
-int packet_io_thread_polling_nf(struct packet_io *handle, struct thread_ctx *thread_ctx)
+int packet_io_polling_nf(struct packet_io *handle, struct thread_ctx *thread_ctx)
 {
     struct thread_metrics *thread_metrics = &thread_ctx->thread_metrics;
     int thread_index = thread_ctx->thread_index;
@@ -1554,7 +1554,7 @@ int packet_io_thread_polling_nf(struct packet_io *handle, struct thread_ctx *thr
     return nr_recv;
 }
 
-int packet_io_thread_polling_endpoint_l3(struct packet_io *handle, struct thread_ctx *thread_ctx)
+int packet_io_polling_endpoint_l3(struct packet_io *handle, struct thread_ctx *thread_ctx)
 {
     struct thread_metrics *thread_metrics = &thread_ctx->thread_metrics;
     int thread_index = thread_ctx->thread_index;
@@ -1590,7 +1590,7 @@ int packet_io_thread_polling_endpoint_l3(struct packet_io *handle, struct thread
     return nr_recv;
 }
 
-int packet_io_thread_polling_endpoint_l2(struct packet_io *handle, struct thread_ctx *thread_ctx)
+int packet_io_polling_endpoint_l2(struct packet_io *handle, struct thread_ctx *thread_ctx)
 {
     struct thread_metrics *thread_metrics = &thread_ctx->thread_metrics;
     int thread_index = thread_ctx->thread_index;
diff --git a/test/gtest_data_pkt_mirr_forward.cpp b/test/gtest_data_pkt_mirr_forward.cpp
index 48cfea0..f407b39 100644
--- a/test/gtest_data_pkt_mirr_forward.cpp
+++ b/test/gtest_data_pkt_mirr_forward.cpp
@@ -48,7 +48,7 @@ TEST(PACKET_IO, DATA_PKT_MIRR_FORWARD)
     mr_instance = packet_io_get_mr_instance(gtest_frame->sce_ctx->io);
     gtest_frame_run(gtest_frame, tx_mbuf1, dup_mbuf1, 1);
     marsio_set_recv_mbuff(mr_instance, tx_mbuf2);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     temp_mbuf = marsio_get_send_mbuff(mr_instance);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf2, temp_mbuf) == 0);
     EXPECT_TRUE(marsio_mbuff_cmp(dup_mbuf2, marsio_get_send_mbuff(mr_instance)) == 0);
diff --git a/test/gtest_data_pkt_mirr_rx_drop.cpp b/test/gtest_data_pkt_mirr_rx_drop.cpp
index 3cc4859..ec8f5d0 100644
--- a/test/gtest_data_pkt_mirr_rx_drop.cpp
+++ b/test/gtest_data_pkt_mirr_rx_drop.cpp
@@ -53,14 +53,14 @@ TEST(PACKET_IO, DATA_PKT_MIRR_RX_DROP)
     // recv data_pkt  from nf
     // send vxlan_pkt to   sf
     marsio_set_recv_mbuff(mr_instance, tx_mbuf2);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     temp_mbuf = marsio_get_send_mbuff(mr_instance);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf2, temp_mbuf) == 0);
     EXPECT_TRUE(marsio_mbuff_cmp(dup_mbuf2, marsio_get_send_mbuff(mr_instance)) == 0);
     // recv vxlan_pkt from sf
     // send data_pkt  to   nf
     marsio_set_recv_mbuff(mr_instance, temp_mbuf);
-    EXPECT_TRUE(packet_io_thread_polling_endpoint_l3(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_endpoint_l3(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     EXPECT_TRUE(marsio_get_send_mbuff(mr_instance) == NULL);
 
     gtest_frame_log(gtest_frame);
diff --git a/test/gtest_data_pkt_stee_forward.cpp b/test/gtest_data_pkt_stee_forward.cpp
index d0c1004..ac21f6b 100644
--- a/test/gtest_data_pkt_stee_forward.cpp
+++ b/test/gtest_data_pkt_stee_forward.cpp
@@ -46,7 +46,7 @@ TEST(PACKET_IO, DATA_PKT_STEE_FORWARD)
     mr_instance = packet_io_get_mr_instance(gtest_frame->sce_ctx->io);
     gtest_frame_run(gtest_frame, tx_mbuf1, dup_mbuf1, 1);
     marsio_set_recv_mbuff(mr_instance, tx_mbuf2);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf2, marsio_get_send_mbuff(mr_instance)) == 0);
 
     gtest_frame_log(gtest_frame);
diff --git a/test/gtest_data_pkt_stee_rx_egress.cpp b/test/gtest_data_pkt_stee_rx_egress.cpp
index f917d9b..1d26ab3 100644
--- a/test/gtest_data_pkt_stee_rx_egress.cpp
+++ b/test/gtest_data_pkt_stee_rx_egress.cpp
@@ -52,13 +52,13 @@ TEST(PACKET_IO, DATA_PKT_STEE_RX_EGRESS)
     // recv data_pkt  from nf
     // send vxlan_pkt to   sf
     marsio_set_recv_mbuff(mr_instance, tx_mbuf2);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     vxlan_mbuf = marsio_get_send_mbuff(mr_instance);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf2, vxlan_mbuf) == 0);
     // recv vxlan_pkt from sf
     // send data_pkt  to   nf
     marsio_set_recv_mbuff(mr_instance, vxlan_mbuf);
-    EXPECT_TRUE(packet_io_thread_polling_endpoint_l3(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_endpoint_l3(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     EXPECT_TRUE(marsio_mbuff_cmp(dup_mbuf2, marsio_get_send_mbuff(mr_instance)) == 0);
 
     gtest_frame_log(gtest_frame);
diff --git a/test/gtest_mix_pkt_stee_forward.cpp b/test/gtest_mix_pkt_stee_forward.cpp
index 17d37d6..13e9c8e 100644
--- a/test/gtest_mix_pkt_stee_forward.cpp
+++ b/test/gtest_mix_pkt_stee_forward.cpp
@@ -97,12 +97,12 @@ TEST(PACKET_IO, MIX_PKT_STEE_FORWARD)
     // recv raw   packet from nf
     // send vxlan packet to   sf
     marsio_set_recv_mbuff(mr_instance, tx_mbuf2);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf2, marsio_get_send_mbuff(mr_instance)) == 0);
     // recv decrypted packet from nf
     // send vxlan     packet to   sf
     marsio_set_recv_mbuff(mr_instance, tx_mbuf4);
-    EXPECT_TRUE(packet_io_thread_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
+    EXPECT_TRUE(packet_io_polling_nf(gtest_frame->sce_ctx->io, &gtest_frame->sce_ctx->work_threads[0]) == 1);
     EXPECT_TRUE(mbuff_cmp_payload(dup_mbuf4, marsio_get_send_mbuff(mr_instance)) == 0);
 
     gtest_frame_log(gtest_frame);
diff --git a/test/gtest_utils.h b/test/gtest_utils.h
index b7b3cc4..d70b924 100644
--- a/test/gtest_utils.h
+++ b/test/gtest_utils.h
@@ -109,7 +109,7 @@ inline struct gtest_frame *gtest_frame_new(const char *json_file, const char *de
     thread_ctx->ref_sce_ctx = sce_ctx;
     thread_ctx->session_table_need_reset = 0;
 
-    EXPECT_TRUE(packet_io_thread_init(sce_ctx->io, thread_ctx) == 0);
+    EXPECT_TRUE(packet_io_init(sce_ctx->io, thread_ctx) == 0);
 
     instance->sce_ctx = sce_ctx;
     instance->json_file = strdup(json_file);
@@ -159,11 +159,11 @@ inline void gtest_frame_run(struct gtest_frame *instance, marsio_buff_t *tx_mbuf
 
     if (is_poll_nf)
     {
-        EXPECT_TRUE(packet_io_thread_polling_nf(sce_ctx->io, thread_ctx) == 1);
+        EXPECT_TRUE(packet_io_polling_nf(sce_ctx->io, thread_ctx) == 1);
     }
     else
     {
-        EXPECT_TRUE(packet_io_thread_polling_endpoint_l3(sce_ctx->io, thread_ctx) == 1);
+        EXPECT_TRUE(packet_io_polling_endpoint_l3(sce_ctx->io, thread_ctx) == 1);
     }
 
     rx_mbuf = marsio_get_send_mbuff(mr_instance);