diff --git a/src/puppet-web/bridge.ts b/src/puppet-web/bridge.ts
index 4295e65e4af7ffc4e6eb0140114f258c72f4dcb3..b799f1a54e4876a641fc6d2c73958173aed680cc 100644
--- a/src/puppet-web/bridge.ts
+++ b/src/puppet-web/bridge.ts
@@ -222,20 +222,23 @@ export class Bridge {
                 })
   }
 
-  public verifyUserRequest(contactId, hello): Promise<boolean> {
+  public async verifyUserRequest(contactId, hello): Promise<boolean> {
     log.verbose('PuppetWebBridge', 'verifyUserRequest(%s, %s)', contactId, hello)
 
     if (!contactId) {
       throw new Error('no valid contactId')
     }
-    return this.proxyWechaty('verifyUserRequestAsync', contactId, hello)
-                .catch(e => {
-                  log.error('PuppetWebBridge', 'verifyUserRequest(%s, %s) exception: %s', contactId, hello, e.message)
-                  throw e
-                })
+    try {
+
+      return await this.proxyWechaty('verifyUserRequestAsync', contactId, hello)
+
+    } catch (e) {
+      log.error('PuppetWebBridge', 'verifyUserRequest(%s, %s) exception: %s', contactId, hello, e.message)
+      throw e
+    }
   }
 
-  public verifyUserOk(contactId, ticket): Promise<boolean> {
+  public async verifyUserOk(contactId, ticket): Promise<boolean> {
     log.verbose('PuppetWebBridge', 'verifyUserOk(%s, %s)', contactId, ticket)
 
     if (!contactId || !ticket) {
@@ -248,7 +251,7 @@ export class Bridge {
                 })
   }
 
-  public send(toUserName: string, content: string): Promise<boolean> {
+  public async send(toUserName: string, content: string): Promise<boolean> {
     if (!toUserName) {
       throw new Error('UserName not found')
     }
diff --git a/src/puppet-web/friend-request.ts b/src/puppet-web/friend-request.ts
index 411887813f02967f5bdac4d7143247373908aa67..2121596b2ae962ee06d7fdc36406a1efabf2ff4f 100644
--- a/src/puppet-web/friend-request.ts
+++ b/src/puppet-web/friend-request.ts
@@ -19,7 +19,7 @@
 /* tslint:disable:no-var-requires */
 const retryPromise  = require('retry-promise').default
 
-import Contact        from '../contact'
+import { Contact }    from '../contact'
 import {
   Config,
   RecommendInfo,
diff --git a/src/puppet-web/puppet-web.ts b/src/puppet-web/puppet-web.ts
index 801bcee42aa1ce3c93976ce6b4625563f862a69e..45bbd75f2bae9d577bbe15fd11f700c03461b4a6 100644
--- a/src/puppet-web/puppet-web.ts
+++ b/src/puppet-web/puppet-web.ts
@@ -652,7 +652,7 @@ export class PuppetWeb extends Puppet {
    */
   public async friendRequestSend(contact: Contact, hello: string): Promise<boolean> {
     if (!this.bridge) {
-      return Promise.reject(new Error('fail: no bridge(yet)!'))
+      throw new Error('fail: no bridge(yet)!')
     }
 
     if (!contact) {
diff --git a/src/puppet-web/wechaty-bro.js b/src/puppet-web/wechaty-bro.js
index c9684bc2cd638788cb94b24f65af25eb96683b98..d4da751c128f0ff2c7079962fb105af875df9637 100644
--- a/src/puppet-web/wechaty-bro.js
+++ b/src/puppet-web/wechaty-bro.js
@@ -756,8 +756,8 @@
 
     VerifyContent = VerifyContent || '';
 
-    var contactFactory = WechatyBro.glue.contactFactory
-    var confFactory = WechatyBro.glue.confFactory
+    var contactFactory  = WechatyBro.glue.contactFactory
+    var confFactory     = WechatyBro.glue.confFactory
 
     var Ticket = '' // what's this?