diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAccountPane.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAccountPane.java
index c266fd266..fda658b90 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAccountPane.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAccountPane.java
@@ -269,7 +269,7 @@ public class AddAccountPane extends StackPane {
             }
             return exception.getMessage();
         } else {
-            return exception.getClass() + ": " + exception.getLocalizedMessage();
+            return exception.getClass().getName() + ": " + exception.getLocalizedMessage();
         }
     }
 
diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAuthlibInjectorServerDialog.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAuthlibInjectorServerDialog.java
index b037168b4..2b0ade607 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAuthlibInjectorServerDialog.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/AddAuthlibInjectorServerDialog.java
@@ -79,7 +79,7 @@ public class AddAuthlibInjectorServerDialog extends JFXDialog {
         if (exception instanceof IOException) {
             return i18n("account.failed.connect_injector_server");
         } else {
-            return exception.getClass() + ": " + exception.getLocalizedMessage();
+            return exception.getClass().getName() + ": " + exception.getLocalizedMessage();
         }
     }