update

@@ -82,13 +82,15 @@ public class GDT2ServiceImpl extends UnionServiceImpl implements IUnionService {
             encryptKey = ios_encrypt_key.get();
             DynamicStringProperty ios_sign_key = DynamicPropertyFactory.getInstance().getStringProperty("ios1_sign_key", "");
             signKey = ios_sign_key.get();
-            muid4MD5 = requestBO.getIdfa();
+            //IDFA 码(需转大写)，进行 md5 以后得到的 32位全小写 md5 表现字符串。
+            muid4MD5 = requestBO.getIdfa().toUpperCase();
         } else {
             DynamicStringProperty android_encrypt_key = DynamicPropertyFactory.getInstance().getStringProperty("android1_encrypt_key", "");
             encryptKey = android_encrypt_key.get();
             DynamicStringProperty android_sign_key = DynamicPropertyFactory.getInstance().getStringProperty("android1_sign_key", "");
             signKey = android_sign_key.get();
-            muid4MD5 = requestBO.getImei();
+            //IMEI 号(需转小写)，进行 md5 以后得到的 32位全小写 md5 表现字符串。
+            muid4MD5 = requestBO.getImei().toLowerCase();
         }
 
         /**