auth.signUp and auth.signIn gives same otp every time and fail to verifyOtp

// signUp
    const { data, error } = await this._client.auth.signUp({
      phone: mobile,
      password: password,
    });
// email sign in with otp
    const { data, error } = await this._client.auth.signInWithOtp({
      email: email,
      options: {
        shouldCreateUser: false,
      },
    });
// verify otp
    const { data, error } = await this._client.auth.verifyOtp({
      email: email,
      token: code,
      type: 'email',
    });