fix typo

Author: diaozxin007

pom.xml

@@ -30,6 +30,7 @@
         <module>wechaty</module>
         <module>wechaty-puppet</module>
         <module>wechaty-puppet-hostie</module>
+        <module>examples</module>
         <module>wechaty-puppet-mock</module>
     </modules>
 

wechaty/src/main/kotlin/io/github/wechaty/user/RoomInvitation.kt

@@ -64,7 +64,7 @@ class RoomInvitation(wechaty: Wechaty,val id:String) : Accessory(wechaty){
 
     fun topic():String {
         val payload = wechaty.getPuppet().roomInvitationPayload(this.id).get()
-        return payload.topic ?:"";
+        return payload.topic ?:""
     }
 
     companion object{

wechaty/src/main/kotlin/io/github/wechaty/user/manager/RoomManager.kt

@@ -9,11 +9,10 @@ import io.github.wechaty.user.Contact
 import io.github.wechaty.user.Room
 import org.apache.commons.collections4.CollectionUtils
 import org.slf4j.LoggerFactory
-import java.util.*
 
 class RoomManager(wechaty: Wechaty) : Accessory(wechaty) {
 
-    private val roomaCache: Cache<String, Room> = Caffeine.newBuilder().build()
+    private val roomCache: Cache<String, Room> = Caffeine.newBuilder().build()
 
     fun create(contactList: List<Contact>, topic: String?): Room {
         if (contactList.size < 2) {
@@ -83,7 +82,7 @@ class RoomManager(wechaty: Wechaty) : Accessory(wechaty) {
     }
 
     fun load(id: String): Room {
-        return roomaCache.get(id) {
+        return roomCache.get(id) {
             Room(wechaty, id)
         }!!
     }