diff --git a/src/main/java/dice/sinanya/dice/roll/Dx.java b/src/main/java/dice/sinanya/dice/roll/Dx.java
index ed19c22b6fa35b14857b1b6ce4be3a4245fae874..b6a8c59f758da0be07fad5461b1dd5ee1cce1608 100644
--- a/src/main/java/dice/sinanya/dice/roll/Dx.java
+++ b/src/main/java/dice/sinanya/dice/roll/Dx.java
@@ -17,7 +17,7 @@ import static dice.sinanya.tools.makedata.RandomInt.random;
 import static dice.sinanya.tools.makedata.Sender.sender;
 
 public class Dx implements MakeNickToSender {
-    private final Pattern getParam = Pattern.compile("(\\d+)*[a]*(\\d+)*[+]*(\\d+)*");
+    private final Pattern getParam = Pattern.compile("(\\d+)*[a]*(\\d+)*([+-])(\\d+)*");
     private final EntityTypeMessages entityTypeMessages;
 
     public Dx(EntityTypeMessages entityTypeMessages) {
@@ -32,14 +32,19 @@ public class Dx implements MakeNickToSender {
         int success = 10;
         int add = 0;
         int resultNum;
+        String addString = "";
         ArrayList<String> resultTmpStr;
         ArrayList<String> resultStr = new ArrayList<>();
         Matcher dxFind = getParam.matcher(msg);
         if (dxFind.find()) {
             time = getValue(dxFind.group(1), time);
             success = getValue(dxFind.group(2), success);
-            if (dxFind.groupCount() == 3) {
-                add = getValue(dxFind.group(3), add);
+            if (dxFind.groupCount() == 4) { 
+                addString = dxFind.group(3) + dxFind.group(4);
+                add = getValue(dxFind.group(4), add);
+                if (addTag.equles("-")){
+                    add *= -1;
+                }
             }
         }
         if (success <= 1) {
@@ -87,7 +92,7 @@ public class Dx implements MakeNickToSender {
         }
         String senderStr;
         if (add != 0) {
-            senderStr = StringUtils.join(resultStr, "\n+") + "\n+" + add + "\n=" + (resultNum + add);
+            senderStr = StringUtils.join(resultStr, "\n+") + "\n" + addString + "\n=" + (resultNum + add);
         } else {
             senderStr = StringUtils.join(resultStr, "\n+") + "\n=" + resultNum;
         }