feat: 添加短信发送重试机制提高可靠性
- 最多重试 3 次（共 4 次尝试） - 指数退避延迟（1s, 2s, 4s） - 超时时间增加到 15 秒 - 只对网络错误重试，业务错误不重试 - 可重试错误：ConnectTimeout, ReadTimeout, ETIMEDOUT, ECONNRESET 等 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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@ -12,6 +12,21 @@ export interface SmsSendResult {
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message?: string;
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}
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// 重试配置
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const RETRY_CONFIG = {
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maxRetries: 3, // 最大重试次数
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baseDelay: 1000, // 基础延迟 1 秒
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maxDelay: 5000, // 最大延迟 5 秒
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retryableErrors: [
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'ConnectTimeout',
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'ReadTimeout',
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'ETIMEDOUT',
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'ECONNRESET',
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'ECONNREFUSED',
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'ServiceUnavailable',
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],
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};
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@Injectable()
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export class SmsService implements OnModuleInit {
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private readonly logger = new Logger(SmsService.name);
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@ -68,7 +83,7 @@ export class SmsService implements OnModuleInit {
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}
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/**
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* 发送验证码短信
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* 发送验证码短信（带重试机制）
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*
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* @param phoneNumber 手机号码（支持国际格式，如 +86xxx）
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* @param code 验证码
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@ -99,61 +114,141 @@ export class SmsService implements OnModuleInit {
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};
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}
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try {
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const sendSmsRequest = new $Dysmsapi20170525.SendSmsRequest({
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phoneNumbers: normalizedPhone,
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signName: this.signName,
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templateCode: this.templateCode,
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templateParam: JSON.stringify({ code }),
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});
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// 带重试的发送
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return this.sendWithRetry(normalizedPhone, code);
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}
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const runtime = new $Util.RuntimeOptions({
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connectTimeout: 10000, // 连接超时 10 秒
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readTimeout: 10000, // 读取超时 10 秒
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});
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const response = await this.client.sendSmsWithOptions(
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sendSmsRequest,
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runtime,
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);
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/**
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* 带重试机制的短信发送
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*/
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private async sendWithRetry(
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phoneNumber: string,
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code: string,
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): Promise<SmsSendResult> {
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let lastError: any = null;
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const body = response.body;
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const result: SmsSendResult = {
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success: body?.code === 'OK',
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requestId: body?.requestId,
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bizId: body?.bizId,
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code: body?.code,
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message: body?.message,
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};
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for (let attempt = 0; attempt <= RETRY_CONFIG.maxRetries; attempt++) {
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try {
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if (attempt > 0) {
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// 指数退避延迟
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const delay = Math.min(
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RETRY_CONFIG.baseDelay * Math.pow(2, attempt - 1),
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RETRY_CONFIG.maxDelay,
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);
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this.logger.log(
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`[SMS] 第 ${attempt} 次重试，延迟 ${delay}ms...`,
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);
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await this.sleep(delay);
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}
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if (result.success) {
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this.logger.log(
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`[SMS] 发送成功: requestId=${result.requestId}, bizId=${result.bizId}`,
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);
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} else {
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this.logger.error(
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`[SMS] 发送失败: code=${result.code}, message=${result.message}`,
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const result = await this.doSendSms(phoneNumber, code);
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if (result.success) {
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if (attempt > 0) {
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this.logger.log(
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`[SMS] 重试成功 (第 ${attempt} 次): requestId=${result.requestId}`,
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);
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}
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return result;
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}
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// 业务错误（如频率限制）不重试
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if (!this.isRetryableError(result.code || '')) {
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return result;
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}
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lastError = new Error(result.message || 'SMS send failed');
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(lastError as any).code = result.code;
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} catch (error: any) {
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lastError = error;
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// 检查是否是可重试的错误
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if (!this.isRetryableError(error.message || error.code || '')) {
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this.logger.error(`[SMS] 不可重试错误: ${error.message}`);
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return {
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success: false,
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code: error.code || 'UNKNOWN_ERROR',
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message: error.message || '短信发送失败',
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};
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}
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this.logger.warn(
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`[SMS] 发送失败 (尝试 ${attempt + 1}/${RETRY_CONFIG.maxRetries + 1}): ${error.message}`,
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);
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}
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return result;
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} catch (error: any) {
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this.logger.error(`[SMS] 发送异常: ${error.message}`, error.stack);
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// 解析阿里云错误
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if (error.code) {
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return {
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success: false,
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code: error.code,
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message: error.message || '短信发送失败',
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};
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}
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return {
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success: false,
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code: 'UNKNOWN_ERROR',
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message: error.message || '短信发送失败',
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};
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}
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// 所有重试都失败
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this.logger.error(
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`[SMS] 发送失败，已重试 ${RETRY_CONFIG.maxRetries} 次: ${lastError?.message}`,
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);
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return {
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success: false,
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code: lastError?.code || 'RETRY_EXHAUSTED',
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message: `短信发送失败，已重试 ${RETRY_CONFIG.maxRetries} 次: ${lastError?.message || '未知错误'}`,
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};
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}
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/**
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* 实际发送短信
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*/
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private async doSendSms(
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phoneNumber: string,
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code: string,
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): Promise<SmsSendResult> {
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const sendSmsRequest = new $Dysmsapi20170525.SendSmsRequest({
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phoneNumbers: phoneNumber,
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signName: this.signName,
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templateCode: this.templateCode,
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templateParam: JSON.stringify({ code }),
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});
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const runtime = new $Util.RuntimeOptions({
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connectTimeout: 15000, // 连接超时 15 秒
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readTimeout: 15000, // 读取超时 15 秒
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});
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const response = await this.client!.sendSmsWithOptions(
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sendSmsRequest,
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runtime,
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);
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const body = response.body;
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const result: SmsSendResult = {
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success: body?.code === 'OK',
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requestId: body?.requestId,
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bizId: body?.bizId,
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code: body?.code,
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message: body?.message,
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};
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if (result.success) {
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this.logger.log(
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`[SMS] 发送成功: requestId=${result.requestId}, bizId=${result.bizId}`,
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);
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} else {
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this.logger.error(
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`[SMS] 发送失败: code=${result.code}, message=${result.message}`,
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);
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}
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return result;
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}
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/**
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* 检查是否是可重试的错误
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*/
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private isRetryableError(errorInfo: string): boolean {
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return RETRY_CONFIG.retryableErrors.some(
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(retryable) => errorInfo.includes(retryable),
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);
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}
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/**
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* 睡眠函数
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*/
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private sleep(ms: number): Promise<void> {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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/**
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