diff --git a/src/main/java/dice/sinanya/dice/roll/Dx.java b/src/main/java/dice/sinanya/dice/roll/Dx.java
index 6943b993b74b27dc4473c0555693115507e3b6cf..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) {
@@ -26,20 +26,25 @@ public class Dx implements MakeNickToSender {
 
     public void dx() throws DxTimesException, DxSuccessException {
         String tag = TAG_DX;
-        String msg = entityTypeMessages.getMessage().trim().replaceFirst(tag.substring(0, tag.length() - 2), "").trim();
+        String msg = entityTypeMessages.getMsgGet().getMsg().trim().replaceFirst(tag.substring(0, tag.length() - 2), "").trim();
 
         int time = 1;
         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;
         }
diff --git a/src/main/java/dice/sinanya/exceptions/DxSuccessException.java b/src/main/java/dice/sinanya/exceptions/DxSuccessException.java
index 57bd2e9a312e89cb6b6a7462b6fd5a2c5633aba7..2fc7ae34d544aa660ddabb147358d8bbc4a229be 100644
--- a/src/main/java/dice/sinanya/exceptions/DxSuccessException.java
+++ b/src/main/java/dice/sinanya/exceptions/DxSuccessException.java
@@ -16,7 +16,7 @@ import static dice.sinanya.tools.makedata.Sender.sender;
  */
 public class DxSuccessException extends Exception {
     public DxSuccessException(EntityTypeMessages entityTypeMessages) {
-        super("加骰必须大于1");
-        sender(entityTypeMessages, "加骰必须大于1");
+        super("暴击值（加骰阈值）必须大于1");
+        sender(entityTypeMessages, "暴击值（加骰阈值）必须大于1");
     }
 }
diff --git a/src/main/java/dice/sinanya/exceptions/DxTimesException.java b/src/main/java/dice/sinanya/exceptions/DxTimesException.java
index 93ae6148d87a08e7f96a3b5d4f05388eb83c9428..8034efc6829789e3b4fcc6026bf7da4fd86a3b0e 100644
--- a/src/main/java/dice/sinanya/exceptions/DxTimesException.java
+++ b/src/main/java/dice/sinanya/exceptions/DxTimesException.java
@@ -15,7 +15,7 @@ import static dice.sinanya.tools.makedata.Sender.sender;
  */
 public class DxTimesException extends Exception {
     public DxTimesException(EntityTypeMessages entityTypeMessages) {
-        super("次数必须大于等于1，且小于");
-        sender(entityTypeMessages, "次数必须大于等于1，且小于");
+        super("骰子数必须大于等于1，且小于50");
+        sender(entityTypeMessages, "骰子数必须大于等于1，且小于50");
     }
 }