diff --git a/main/ate0005.c b/main/ate0005.c
index fec117c..f2b7381 100644
--- a/main/ate0005.c
+++ b/main/ate0005.c
@@ -32,7 +32,7 @@ static void _zh_system_load(void);
 static void _zh_timer_init(void);
 static void _zh_encoder_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
 static void _zh_espnow_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
-static void _wifi_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
+static void _zh_wifi_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
 static void _zh_inclinometer_reset_timer_on_alarm_cb(void *arg);
 
 static void _zh_a_inclinometer_processing_task(void *pvParameter);
@@ -94,8 +94,8 @@ static void _zh_wifi_init(void)
     esp_wifi_set_mode(WIFI_MODE_APSTA);
     esp_wifi_set_config(WIFI_IF_AP, &wifi_ap_config);
     esp_wifi_set_config(WIFI_IF_STA, &wifi_sta_config);
-    esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &_wifi_event_handler, NULL, NULL);
-    esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &_wifi_event_handler, NULL, NULL);
+    esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &_zh_wifi_event_handler, NULL, NULL);
+    esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &_zh_wifi_event_handler, NULL, NULL);
     esp_wifi_start();
 }
 
@@ -338,7 +338,7 @@ static void _zh_espnow_event_handler(void *arg, esp_event_base_t event_base, int
     // To Do.
 }
 
-static void _wifi_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
+static void _zh_wifi_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
 {
     switch (event_id)
     {