使用大写L代替小写l，以免容易误解

Author: binarywang

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/WxMpInMemoryConfigStorage.java

@@ -63,7 +63,7 @@ public synchronized void updateAccessToken(WxAccessToken accessToken) {
   @Override
   public synchronized void updateAccessToken(String accessToken, int expiresInSeconds) {
     this.accessToken = accessToken;
-    this.expiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000l;
+    this.expiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000L;
   }
 
   @Override
@@ -97,7 +97,7 @@ public boolean isJsapiTicketExpired() {
   public synchronized void updateJsapiTicket(String jsapiTicket, int expiresInSeconds) {
     this.jsapiTicket = jsapiTicket;
     // 预留200秒的时间
-    this.jsapiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000l;
+    this.jsapiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000L;
   }
 
   @Override
@@ -122,7 +122,7 @@ public boolean isCardApiTicketExpired() {
   public synchronized void updateCardApiTicket(String cardApiTicket, int expiresInSeconds) {
     this.cardApiTicket = cardApiTicket;
     // 预留200秒的时间
-    this.cardApiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000l;
+    this.cardApiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000L;
   }
 
   @Override