用ESPNOW协议配置了2个ESP-12E卡，按下发送板上的重置按钮时：发送失败的原因？

我用 ESPNOW 协议配置了 2 个 ESP-12E 卡。
我的第一次尝试是成功的。但不知何故，我现在遇到了消息传递问题。
当我插入发送板时：发送成功
当我按下发送板上的重置按钮时：发送失败
为什么现在我的重置按钮出现故障？
代码：全选#include

// Set your Board ID (ESP8266 Sender #1 = BOARD_ID 1, ESP8266 Sender #2 = BOARD_ID 2, etc)
#define BOARD_ID 1

//MAC Address of the receiver -- ESP-12E
uint8_t broadcastAddress[] = {0x99, 0x99, 0x99, 0x99, 0x99, 0x99};

//Structure example to send data
//Must match the receiver structure
typedef struct struct_message {
    int topic;
    char payload[2];
} struct_message;

//Create a struct_message called myData
struct_message myData;


// Callback when data is sent
void OnDataSent(uint8_t *mac_addr, uint8_t sendStatus) {
  Serial.print("Last Packet Send Status: ");
  if (sendStatus == 0){
    Serial.println("Delivery success\n");
  }
  else{
    Serial.println("Delivery fail\n" + String(sendStatus));
  }
}


void setup() {

  //Init Serial Monitor
  Serial.begin(9600);
  delay(10);

  // Init ESP-NOW
  if (esp_now_init() != 0) {
    Serial.println("Error initializing ESP-NOW");
    return;
  }
  
  // Once ESPNow is successfully Init, we will register for Send CB to
  // get the status of Trasnmitted packet
  esp_now_set_self_role(ESP_NOW_ROLE_CONTROLLER);

  // Once ESPNow is successfully Init, we will register for Send CB to
  // get the status of Trasnmitted packet
  esp_now_set_self_role(ESP_NOW_ROLE_CONTROLLER);
  esp_now_register_send_cb(OnDataSent);

  //Préparer les données à transmettre
  myData.topic = BOARD_ID;
  strcpy(myData.payload, "&1");
  
  Serial.println("\nMyData : " );
  Serial.println(*((uint8_t *) &myData.topic));
  Serial.println(*((uint8_t *) &myData.payload));
  Serial.println("\n");
  //Send data
  esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));

}


void loop() {
  
}

代码：全选#include
#include

// Structure example to receive data
// Must match the sender structure
typedef struct struct_message {
  int topic;
  char payload[2];
} struct_message;

struct_message incomingReadings;

// callback function that will be executed when data is received
void OnDataRecv(uint8_t * mac_addr, uint8_t *incomingData, uint8_t len) {
  // send the received data to the Raspberry Pi
  // copier les résultats en mémoire
  memcpy(&incomingReadings, incomingData, sizeof(incomingReadings));
  //cout<