diff --git a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/startup/WeixinServerBootstrap.java b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/startup/WeixinServerBootstrap.java
index f2797161..29abe554 100644
--- a/weixin4j-server/src/main/java/com/foxinmy/weixin4j/startup/WeixinServerBootstrap.java
+++ b/weixin4j-server/src/main/java/com/foxinmy/weixin4j/startup/WeixinServerBootstrap.java
@@ -140,14 +140,10 @@ public final class WeixinServerBootstrap {
 			throw new IllegalArgumentException("AesToken not be null");
 		}
 		this.aesTokenMap = new HashMap<String, AesToken>();
-		if (aesTokens.length == 1) {
-			this.aesTokenMap.put(aesTokens[0].getWeixinId(), aesTokens[0]);
-			this.aesTokenMap.put(null, aesTokens[0]);
-		} else {
-			for (AesToken aesToken : aesTokens) {
-				this.aesTokenMap.put(aesToken.getWeixinId(), aesToken);
-			}
+		for (AesToken aesToken : aesTokens) {
+			this.aesTokenMap.put(aesToken.getWeixinId(), aesToken);
 		}
+		this.aesTokenMap.put(null, aesTokens[0]);
 		this.messageHandlerList = new LinkedList<WeixinMessageHandler>();
 		this.messageInterceptorList = new LinkedList<WeixinMessageInterceptor>();
 		this.messageDispatcher = new WeixinMessageDispatcher(messageMatcher);