void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  char Str1[] = {'a', 'b', 'c', 'd', 'e'};
  String Str2 = "不该daasdfa";

  const char* charTemp1 = Str2.c_str();
  String s = charTemp1;
  for (int i = 0; i < s.length(); i++) {
    Str1[i] = s[i];
  }
  Serial.println(Str1);
  Serial.println(charTemp1);
}

void loop() {
  // put your main code here, to run repeatedly:

}