bug fix

themis-admin/src/main/java/com/qmth/themis/admin/api/TENotifyController.java

@@ -63,8 +63,7 @@ public class TENotifyController {
         Long t = Long.parseLong(String.valueOf(jsonObject.get("t")));
         Optional.ofNullable(t).orElseThrow(() -> new BusinessException("腾讯云回调时间为空"));
 
-        String localSign = MD5Util.encoder(callbackPwd + String.valueOf(t));
-        if (!MD5Util.verify(sign, localSign)) {
+        if (!MD5Util.verify(callbackPwd + String.valueOf(t), sign)) {
             throw new BusinessException("腾讯云签名不匹配");
         }