diff --git a/lib/libmultinet.a b/lib/libmultinet.a
index ee4ae6e..06a8136 100644
Binary files a/lib/libmultinet.a and b/lib/libmultinet.a differ
diff --git a/main/audio_process.c b/main/audio_process.c
index 8e6efe7..053c723 100644
--- a/main/audio_process.c
+++ b/main/audio_process.c
@@ -9,7 +9,6 @@
 #include "esp_aec.h"
 #include "esp_agc.h"
 #include "esp_vad.h"
-#include "esp_map.h"
 #include "audio_test_file.h"
 
 void NSTask(void *arg)
@@ -106,36 +105,6 @@ void VADTask(void *arg)
     vTaskDelete(NULL);    
 }
 
-void MAPTask(void *arg)
-{
-    mic_array_processor_t map_st = map_create(MAP_SAMPLE_RATE, MAP_FRAME_SIZE, THREE_MIC_CIRCLE, MAP_MIC_DISTANCE, MAP_AEC_ON, MAP_AEC_FILTER_LENGTH);
-    int chunks = 0;
-    int nch = 3;
-    int audio_chunksize = MAP_FRAME_SIZE * MAP_SAMPLE_RATE * 3 / 1000;
-    int16_t *map_in = malloc(audio_chunksize * sizeof(int16_t));
-    int16_t *map_ref = malloc(audio_chunksize / 3 * sizeof(int16_t));
-    int16_t *map_out = malloc(audio_chunksize / 3 * sizeof(int16_t));
-    while (1) {
-        if ((chunks + 1) * audio_chunksize * sizeof(int16_t) <= sizeof(audio_test_file)) {
-            memcpy(map_in, audio_test_file + chunks * audio_chunksize * sizeof(int16_t), audio_chunksize * sizeof(int16_t));
-            memset(map_ref, 0, audio_chunksize / 3 * sizeof(int16_t));
-            memset(map_out, 0, audio_chunksize / 3 * sizeof(int16_t));
-        } else {
-            break;
-        }
-        map_process(map_st, map_in, map_ref, map_out);
-        chunks++;
-    }
-    map_destory(map_st);
-    free(map_in);
-    free(map_ref);
-    free(map_out);
-    printf("MAP test successfully\n\n");
-    printf("TEST3 FINISHED\n\n");
-    vTaskDelete(NULL);    
-}
-
-
 
 void audio_process_test()
 {
@@ -146,6 +115,4 @@ void audio_process_test()
     xTaskCreatePinnedToCore(&AECTask, "acoustic_echo_cancellation", 3 * 1024, NULL, 5, NULL, 0);
     vTaskDelay(1000 / portTICK_PERIOD_MS);
     xTaskCreatePinnedToCore(&VADTask, "voice_activity_detection", 3 * 1024, NULL, 5, NULL, 0);
-    vTaskDelay(1000 / portTICK_PERIOD_MS);
-    xTaskCreatePinnedToCore(&MAPTask, "mic_array_processing", 3 * 1024, NULL, 5, NULL, 0);
 }
diff --git a/speech_command_recognition/include/esp_mn_iface.h b/speech_command_recognition/include/esp_mn_iface.h
index e568325..c2311e5 100644
--- a/speech_command_recognition/include/esp_mn_iface.h
+++ b/speech_command_recognition/include/esp_mn_iface.h
@@ -11,7 +11,7 @@
  *
  * @param coeff       The wakenet model coefficient.
  * @param coeff        The wakenet model coefficient.
- * @parm sample_length Audio length for speech recognition, in ms. The range of sample_length is 0~6000.
+ * @parm sample_length Audio length for speech recognition, in ms.
  * @returns Handle to the model data.
  */
 typedef model_iface_data_t* (*esp_mn_iface_op_create_t)(const model_coeff_getter_t *coeff, int sample_length);
@@ -64,12 +64,18 @@ typedef int (*esp_mn_iface_op_detect_t)(model_iface_data_t *model, int16_t *samp
 
 
 /**
- * @brief Destroy a voiceprint recognition model
+ * @brief Destroy a speech commands recognition model
  *
  * @param model       The Model object to destroy
  */
 typedef void (*esp_mn_iface_op_destroy_t)(model_iface_data_t *model);
 
+/**
+ * @brief Reset the speech commands recognition model
+ *
+ */
+typedef void (*esp_mn_iface_op_reset_t)(void);
+
 typedef struct {
     esp_mn_iface_op_create_t create;
     esp_mn_iface_op_get_samp_rate_t get_samp_rate;
@@ -78,4 +84,5 @@ typedef struct {
     esp_mn_iface_op_set_det_threshold_t set_det_threshold;
     esp_mn_iface_op_detect_t detect; 
     esp_mn_iface_op_destroy_t destroy;
+    esp_mn_iface_op_reset_t reset;
 } esp_mn_iface_t;