diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/modpack/ModpackInitializationPanel.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/modpack/ModpackInitializationPanel.java
index d7706ba68..b09da138a 100644
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/modpack/ModpackInitializationPanel.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/ui/modpack/ModpackInitializationPanel.java
@@ -206,7 +206,7 @@ public class ModpackInitializationPanel extends javax.swing.JPanel {
         wizardData.put(KEY_INCLUDING_LAUNCHER, chkIncludeLauncher.isSelected());
     }//GEN-LAST:event_chkIncludeLauncherItemStateChanged
 
-    static final Pattern PATTERN = Pattern.compile("[a-zA-Z0-9_u4e00-u9fa5]+$");
+    static final Pattern PATTERN = Pattern.compile("[-a-zA-Z0-9_\\.\u4E00-\u9FA5]+$");
 
     void checkProblem() {
         controller.setProblem(null);