diff --git a/pom.xml b/pom.xml
index abb3129..174446e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>cn.lunadeer</groupId>
     <artifactId>Dominion</artifactId>
-    <version>1.38.8-beta</version>
+    <version>1.38.9-beta</version>
     <packaging>jar</packaging>
 
     <name>Dominion</name>
diff --git a/src/main/java/cn/lunadeer/dominion/controllers/DominionController.java b/src/main/java/cn/lunadeer/dominion/controllers/DominionController.java
index ea42e77..e21fc84 100644
--- a/src/main/java/cn/lunadeer/dominion/controllers/DominionController.java
+++ b/src/main/java/cn/lunadeer/dominion/controllers/DominionController.java
@@ -295,7 +295,7 @@ public class DominionController {
     }
 
     private static int vol(int x1, int y1, int z1, int x2, int y2, int z2) {
-        return (x2 - x1 + 1) * (y2 - y1 + 1) * (z2 - z1 + 1);
+        return (x2 - x1) * (y2 - y1) * (z2 - z1);
     }
 
     private static int vol(int[] cords) {
@@ -303,7 +303,7 @@ public class DominionController {
     }
 
     private static int sqr(int x1, int z1, int x2, int z2) {
-        return (x2 - x1 + 1) * (z2 - z1 + 1);
+        return (x2 - x1) * (z2 - z1);
     }
 
     private static int sqr(int[] cords) {