diff --git a/components/esp_hw_support/include/esp_private/esp_regdma.h b/components/esp_hw_support/include/esp_private/esp_regdma.h
index fbe8c460f4..36952218a3 100644
--- a/components/esp_hw_support/include/esp_private/esp_regdma.h
+++ b/components/esp_hw_support/include/esp_private/esp_regdma.h
@@ -40,7 +40,7 @@ extern "C" {
 #define REGDMA_IOMUX_LINK(_pri)             ((0x12 << 8) | _pri)
 #define REGDMA_SPIMEM_LINK(_pri)            ((0x13 << 8) | _pri)
 #define REGDMA_SYSTIMER_LINK(_pri)          ((0x14 << 8) | _pri)
-#define REGDMA_MODEM_BT_BB_LINK(_pri)        ((0x15 << 8) | _pri)
+#define REGDMA_MODEM_BT_BB_LINK(_pri)       ((0x15 << 8) | _pri)
 #define REGDMA_MODEM_IEEE802154_LINK(_pri)  ((0x16 << 8) | _pri)
 #define REGDMA_MODEM_FE_LINK(_pri)          ((0xFF << 8) | _pri)
 
diff --git a/examples/openthread/ot_sleepy_device/README.md b/examples/openthread/ot_sleepy_device/README.md
index ead2e1d059..0aa2907879 100644
--- a/examples/openthread/ot_sleepy_device/README.md
+++ b/examples/openthread/ot_sleepy_device/README.md
@@ -16,7 +16,7 @@ The example demonstrates the Thread Sleepy End Device (SED), the device will ent
 ## Configure the Openthread Dataset
 
 * Run [ot_cli](../ot_cli/) on another ESP32-C6 device to create openthread dataset configuration and start an openthread network as the leader.  
-* Configure the Openthread dataset (`CONFIG_OPENTHREAD_NETWORK_DATASET`) in [ot_power_save](../ot_power_save/main/esp_ot_power_save_config.h), ensuring that the device's dataset matches the dataset of the leader.  
+* Configure the Openthread dataset using `idf.py menuconfig` in `Component config ---> Openthread ---> Thread Operation Dataset`, ensuring that the openthread sleepy device's dataset matches the dataset of the leader.  
 
 ## Erase the ot_storage
 
diff --git a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device.c b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device.c
index f05c489b7d..584208a75f 100644
--- a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device.c
+++ b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device.c
@@ -39,46 +39,9 @@
 
 #define TAG "ot_esp_power_save"
 
-static int hex_digit_to_int(char hex)
-{
-    if ('A' <= hex && hex <= 'F') {
-        return 10 + hex - 'A';
-    }
-    if ('a' <= hex && hex <= 'f') {
-        return 10 + hex - 'a';
-    }
-    if ('0' <= hex && hex <= '9') {
-        return hex - '0';
-    }
-    return -1;
-}
-
-static size_t hex_string_to_binary(const char *hex_string, uint8_t *buf)
-{
-    int num_char = strlen(hex_string);
-
-    if (num_char % 2 == true) {
-        return 0;
-    }
-
-    for (size_t i = 0; i < num_char; i += 2) {
-        int digit0 = hex_digit_to_int(hex_string[i]);
-        int digit1 = hex_digit_to_int(hex_string[i + 1]);
-
-        if (digit0 < 0 || digit1 < 0) {
-            return 0;
-        }
-        buf[i / 2] = (digit0 << 4) + digit1;
-    }
-
-    return num_char/2;
-}
-
 static void create_config_network(otInstance *instance)
 {
     otLinkModeConfig linkMode;
-    uint16_t dataset_str_len = strlen(CONFIG_OPENTHREAD_NETWORK_DATASET);
-    otOperationalDatasetTlvs datasetTlvs;
     memset(&linkMode, 0, sizeof(otLinkModeConfig));
 
     linkMode.mRxOnWhenIdle = false;
@@ -94,33 +57,7 @@ static void create_config_network(otInstance *instance)
         ESP_LOGE(TAG, "Failed to set OpenThread linkmode.");
         abort();
     }
-
-    if (dataset_str_len > (OT_OPERATIONAL_DATASET_MAX_LENGTH * 2)) {
-        ESP_LOGE(TAG, "dataset length error.");
-        abort();
-    }
-
-    datasetTlvs.mLength = hex_string_to_binary(CONFIG_OPENTHREAD_NETWORK_DATASET, datasetTlvs.mTlvs);
-
-    if (!datasetTlvs.mLength) {
-        ESP_LOGE(TAG, "Failed convert configured dataset");
-        abort();
-    }
-
-    if (otDatasetSetActiveTlvs(instance, &datasetTlvs) != OT_ERROR_NONE) {
-        ESP_LOGE(TAG, "Failed to set OpenThread otDatasetSetActiveTlvs.");
-        abort();
-    }
-
-    if(otIp6SetEnabled(instance, true) != OT_ERROR_NONE) {
-        ESP_LOGE(TAG, "Failed to enable OpenThread IP6 link");
-        abort();
-    }
-
-    if(otThreadSetEnabled(instance, true) != OT_ERROR_NONE) {
-        ESP_LOGE(TAG, "Failed to enable OpenThread");
-        abort();
-    }
+    ESP_ERROR_CHECK(esp_openthread_auto_start(NULL));
 }
 
 static esp_netif_t *init_openthread_netif(const esp_openthread_platform_config_t *config)
diff --git a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
index 217c83370d..15516a3981 100644
--- a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
+++ b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
@@ -16,7 +16,6 @@
 
 #include "esp_openthread_types.h"
 
-# define CONFIG_OPENTHREAD_NETWORK_DATASET "0e080000000000010000000300000b35060004001fffe002084c14b4d26855fcd00708fdf7e918eb62e2a905107ca0e75a6ead4b960cfe073386943605030f4f70656e5468726561642d616631360102af1604102b9084b26c9a7d10a1a729bfc2e84ea00c0402a0f7f8"
 # define CONFIG_OPENTHREAD_NETWORK_POLLPERIOD_TIME 3000
 
 #if SOC_IEEE802154_SUPPORTED