diff --git a/apps/api/src/core/config.ts b/apps/api/src/core/config.ts
index ff56ae33..39ead072 100644
--- a/apps/api/src/core/config.ts
+++ b/apps/api/src/core/config.ts
@@ -54,16 +54,11 @@ const DEFAULT_MAX_JSON_BODY_BYTES = 1024 * 1024;
 const DEFAULT_MAX_IMPORT_JSON_BODY_BYTES = 10 * 1024 * 1024;
 const HARD_MAX_JSON_BODY_BYTES = 50 * 1024 * 1024;
 const PRODUCTION_SMS_PROVIDERS = new Set([
-  'aliyun',
-  'aliyun-sms',
-  'aliyun_sms',
   'aliyun-pnvs',
   'aliyun_pnvs',
+  'aliyun-pnvs-sms',
   'aliyun-sms-auth',
   'aliyun_sms_auth',
-  'tencent',
-  'tencent-sms',
-  'tencent_sms',
 ]);
 const PRODUCTION_STORAGE_PROVIDERS = new Set(['aliyun_oss', 'tencent_cos', 'supabase_storage']);
 
@@ -113,7 +108,7 @@ function validateProductionConfig(nextConfig: ApiConfig) {
   const failures: string[] = [];
   if (nextConfig.corsOrigins.includes('*')) failures.push('CORS_ORIGIN must not include * in production');
   if (!PRODUCTION_SMS_PROVIDERS.has(nextConfig.authSmsProvider.trim().toLowerCase())) {
-    failures.push('AUTH_SMS_PROVIDER must be aliyun/aliyun-sms, aliyun-pnvs, or tencent/tencent-sms in production');
+    failures.push('AUTH_SMS_PROVIDER must be aliyun-pnvs in production');
   }
   if (isUnsafeSecret(nextConfig.authCodePepper, DEFAULT_AUTH_CODE_PEPPER)) {
     failures.push('AUTH_CODE_PEPPER must be a strong production secret');
diff --git a/scripts/production-config-failfast-test.js b/scripts/production-config-failfast-test.js
index c4917174..585ebcd9 100644
--- a/scripts/production-config-failfast-test.js
+++ b/scripts/production-config-failfast-test.js
@@ -27,7 +27,7 @@ const safeBaseEnv = {
 const safeApiEnv = {
   ...safeBaseEnv,
   CORS_ORIGIN: 'https://student.gongxue100.com,https://tenant-admin.gongxue100.com,https://platform-admin.gongxue100.com',
-  AUTH_SMS_PROVIDER: 'aliyun',
+  AUTH_SMS_PROVIDER: 'aliyun-pnvs',
   AUTH_CODE_PEPPER: 's3cure-prod-code-pepper-2026-06-30-abcdef',
   AUTH_SESSION_SECRET: 's3cure-prod-session-secret-2026-06-30-ghijkl',
   AUTH_JWT_JWKS_URL: 'https://auth.gongxue100.com/auth/v1/.well-known/jwks.json',
@@ -69,8 +69,19 @@ const unsafeApiSmsProvider = runImport(apiConfigUrl, {
 assert.notEqual(unsafeApiSmsProvider.status, 0, 'production API config should reject unsupported SMS provider');
 assert.match(
   unsafeApiSmsProvider.output,
-  /AUTH_SMS_PROVIDER must be aliyun\/aliyun-sms, aliyun-pnvs, or tencent\/tencent-sms/,
-  'API config should name supported production SMS providers',
+  /AUTH_SMS_PROVIDER must be aliyun-pnvs in production/,
+  'API config should require PNVS for production SMS',
+);
+
+const unsafeApiTraditionalSmsProvider = runImport(apiConfigUrl, {
+  ...safeApiEnv,
+  AUTH_SMS_PROVIDER: 'aliyun',
+});
+assert.notEqual(unsafeApiTraditionalSmsProvider.status, 0, 'production API config should reject traditional Aliyun SMS provider');
+assert.match(
+  unsafeApiTraditionalSmsProvider.output,
+  /AUTH_SMS_PROVIDER must be aliyun-pnvs in production/,
+  'API config should reject non-PNVS SMS providers in production',
 );
 
 const unsafeApiStoragePublicBaseUrl = runImport(apiConfigUrl, {
diff --git a/scripts/production-readiness-check-test.js b/scripts/production-readiness-check-test.js
index f8214175..a82c8b2f 100644
--- a/scripts/production-readiness-check-test.js
+++ b/scripts/production-readiness-check-test.js
@@ -84,6 +84,37 @@ assert.ok(
   'readiness should block unsupported AUTH_SMS_PROVIDER values',
 );
 
+const traditionalAliyunSmsProvider = runReadiness(`
+NODE_ENV=production
+DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
+CORS_ORIGIN=https://student.gongxue100.com
+AUTH_SMS_PROVIDER=aliyun
+AUTH_CODE_PEPPER=s3cure-prod-code-pepper-2026-06-29-abcdef
+AUTH_SESSION_SECRET=s3cure-prod-session-secret-2026-06-29-ghijkl
+AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
+AUTH_JWT_ISSUER=https://auth.gongxue100.com/auth/v1
+ALLOW_LEGACY_AUTH_HEADERS=false
+ALLOW_PLATFORM_ADMIN_KEY=false
+PLATFORM_ADMIN_API_KEY=s3cure-platform-admin-key-2026-06-29-mnopqr
+STORAGE_DEFAULT_PROVIDER=aliyun_oss
+STORAGE_DEFAULT_BUCKET=tiku-assets
+STORAGE_REQUIRE_TENANT_PREFIX=true
+ALIYUN_OSS_REGION=cn-hangzhou
+ALIYUN_OSS_ENDPOINT=https://oss-cn-hangzhou.aliyuncs.com
+ALIYUN_OSS_ACCESS_KEY_ID=LTAI_READINESS_TEST_ONLY
+ALIYUN_OSS_ACCESS_KEY_SECRET=aliyun-readiness-secret-placeholder
+WORKER_ASSET_SECURITY_SCANNER=metadata_rules,http
+WORKER_ASSET_SECURITY_SCAN_HTTP_ENDPOINT=https://scanner.gongxue100.com/api/scan
+WORKER_ASSET_SECURITY_SCAN_HTTP_TOKEN=s3cure-asset-scanner-token-2026-06-29-stuvwx
+WORKER_ASSET_SECURITY_SCAN_FAIL_OPEN=false
+`);
+
+assert.notEqual(traditionalAliyunSmsProvider.status, 0, 'traditional Aliyun SMS provider readiness should fail in production');
+assert.ok(
+  traditionalAliyunSmsProvider.payload.checks?.some(item => item.id === 'env.auth_sms_provider' && item.status === 'blocker'),
+  'readiness should require PNVS instead of traditional Aliyun SMS',
+);
+
 const strongSecretA = 's3cure-prod-code-pepper-2026-06-29-abcdef';
 const strongSecretB = 's3cure-prod-session-secret-2026-06-29-ghijkl';
 const strongSecretC = 's3cure-platform-admin-key-2026-06-29-mnopqr';
@@ -92,7 +123,7 @@ const safe = runReadiness(`
 NODE_ENV=production
 DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
 CORS_ORIGIN=https://student.gongxue100.com,https://tenant-admin.gongxue100.com,https://platform-admin.gongxue100.com
-AUTH_SMS_PROVIDER=aliyun
+AUTH_SMS_PROVIDER=aliyun-pnvs
 AUTH_CODE_PEPPER=${strongSecretA}
 AUTH_SESSION_SECRET=${strongSecretB}
 AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
@@ -269,7 +300,7 @@ const unsafeProviderFixture = runReadiness(
 NODE_ENV=production
 DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
 CORS_ORIGIN=https://student.gongxue100.com,https://tenant-admin.gongxue100.com,https://platform-admin.gongxue100.com
-AUTH_SMS_PROVIDER=aliyun
+AUTH_SMS_PROVIDER=aliyun-pnvs
 AUTH_CODE_PEPPER=${strongSecretA}
 AUTH_SESSION_SECRET=${strongSecretB}
 AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
@@ -346,7 +377,7 @@ const missingJwksIssuer = runReadiness(`
 NODE_ENV=production
 DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
 CORS_ORIGIN=https://student.gongxue100.com
-AUTH_SMS_PROVIDER=aliyun
+AUTH_SMS_PROVIDER=aliyun-pnvs
 AUTH_CODE_PEPPER=${strongSecretA}
 AUTH_SESSION_SECRET=${strongSecretB}
 AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
@@ -378,7 +409,7 @@ const unsafePlatformAuditNotificationLocalhost = runReadiness(`
 NODE_ENV=production
 DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
 CORS_ORIGIN=https://student.gongxue100.com
-AUTH_SMS_PROVIDER=aliyun
+AUTH_SMS_PROVIDER=aliyun-pnvs
 AUTH_CODE_PEPPER=${strongSecretA}
 AUTH_SESSION_SECRET=${strongSecretB}
 AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
@@ -410,7 +441,7 @@ const unsafePlatformDunningNotificationLocalhost = runReadiness(`
 NODE_ENV=production
 DATABASE_URL=postgresql://prod_user:prod_password@db.prod.internal:5432/tiku
 CORS_ORIGIN=https://student.gongxue100.com
-AUTH_SMS_PROVIDER=aliyun
+AUTH_SMS_PROVIDER=aliyun-pnvs
 AUTH_CODE_PEPPER=${strongSecretA}
 AUTH_SESSION_SECRET=${strongSecretB}
 AUTH_JWT_JWKS_URL=https://auth.gongxue100.com/auth/v1/.well-known/jwks.json
diff --git a/scripts/production-readiness-check.js b/scripts/production-readiness-check.js
index d9ae8c13..6ccb5edf 100644
--- a/scripts/production-readiness-check.js
+++ b/scripts/production-readiness-check.js
@@ -11,16 +11,11 @@ const DEFAULT_AUTH_JWT_SECRET = 'development-jwt-secret-change-me';
 const DEFAULT_PLATFORM_ADMIN_API_KEY = 'local-platform-admin-key';
 const HARD_MAX_JSON_BODY_BYTES = 50 * 1024 * 1024;
 const PRODUCTION_SMS_PROVIDERS = new Set([
-  'aliyun',
-  'aliyun-sms',
-  'aliyun_sms',
   'aliyun-pnvs',
   'aliyun_pnvs',
+  'aliyun-pnvs-sms',
   'aliyun-sms-auth',
   'aliyun_sms_auth',
-  'tencent',
-  'tencent-sms',
-  'tencent_sms',
 ]);
 const PRODUCTION_STORAGE_PROVIDERS = new Set(['aliyun_oss', 'tencent_cos', 'supabase_storage']);
 const AUTH_PROVIDER_ALIASES = {
@@ -174,8 +169,6 @@ function providerIn(provider, aliases) {
 function currentSmsProviderAliases() {
   const provider = normalizeProvider(env('AUTH_SMS_PROVIDER', 'mock')).replace(/_/g, '-');
   if (AUTH_PROVIDER_ALIASES.aliyunPnvs.has(provider)) return { provider: 'aliyun-pnvs', aliases: AUTH_PROVIDER_ALIASES.aliyunPnvs };
-  if (AUTH_PROVIDER_ALIASES.aliyun.has(provider)) return { provider: 'aliyun', aliases: AUTH_PROVIDER_ALIASES.aliyun };
-  if (AUTH_PROVIDER_ALIASES.tencent.has(provider)) return { provider: 'tencent', aliases: AUTH_PROVIDER_ALIASES.tencent };
   return { provider, aliases: new Set([provider]) };
 }
 
@@ -576,11 +569,11 @@ function validateEnv() {
 
   const authSmsProvider = env('AUTH_SMS_PROVIDER', 'mock').trim().toLowerCase();
   if (!PRODUCTION_SMS_PROVIDERS.has(authSmsProvider)) {
-    block('env.auth_sms_provider', 'AUTH_SMS_PROVIDER must be aliyun/aliyun-sms, aliyun-pnvs, or tencent/tencent-sms in production', {
+    block('env.auth_sms_provider', 'AUTH_SMS_PROVIDER must be aliyun-pnvs in production', {
       provider: authSmsProvider || '(empty)',
     });
   } else {
-    pass('env.auth_sms_provider', 'AUTH_SMS_PROVIDER is a supported production SMS provider', { provider: authSmsProvider });
+    pass('env.auth_sms_provider', 'AUTH_SMS_PROVIDER is aliyun-pnvs for production SMS authentication', { provider: authSmsProvider });
   }
 
   if (isUnsafeSecret(env('AUTH_CODE_PEPPER', DEFAULT_AUTH_CODE_PEPPER), DEFAULT_AUTH_CODE_PEPPER)) {