🎨 #1610 换用guava的相应方法实现base64解码，避免因commons-codec版本问题导致解码异常

weixin-java-open/src/main/java/me/chanjar/weixin/open/util/WxOpenCryptUtil.java

@@ -1,5 +1,7 @@
 package me.chanjar.weixin.open.util;
 
+import com.google.common.base.CharMatcher;
+import com.google.common.io.BaseEncoding;
 import me.chanjar.weixin.open.api.WxOpenConfigStorage;
 import org.apache.commons.codec.binary.Base64;
 
@@ -24,6 +26,6 @@ public class WxOpenCryptUtil extends me.chanjar.weixin.common.util.crypto.WxCryp
 
     this.token = token;
     this.appidOrCorpid = appId;
-    this.aesKey = Base64.decodeBase64(encodingAesKey + "=");
+    this.aesKey = BaseEncoding.base64().decode(CharMatcher.whitespace().removeFrom(encodingAesKey));
   }
 }