diff --git a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceNaming.java b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceNaming.java
index 5a9619d3..82f14a6e 100644
--- a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceNaming.java
+++ b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceNaming.java
@@ -3,6 +3,7 @@ package com.iflytek.skillhub.domain.namespace;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.UUID;
 
 /**
  * Renders the operator-configured name templates for a personal namespace.
@@ -37,7 +38,8 @@ final class PersonalNamespaceNaming {
         Map<String, String> values = Map.of(
                 PersonalNamespaceSettings.PLACEHOLDER_USERNAME, username(owner),
                 PersonalNamespaceSettings.PLACEHOLDER_EMAIL_PREFIX, emailPrefix(owner),
-                PersonalNamespaceSettings.PLACEHOLDER_USER_ID, blankToEmpty(owner.userId()));
+                PersonalNamespaceSettings.PLACEHOLDER_USER_ID, blankToEmpty(owner.userId()),
+                PersonalNamespaceSettings.PLACEHOLDER_RANDOM, randomSuffix());
 
         Matcher matcher = PLACEHOLDER.matcher(template);
         StringBuilder rendered = new StringBuilder();
@@ -101,4 +103,8 @@ final class PersonalNamespaceNaming {
     private static String blankToEmpty(String value) {
         return value == null ? "" : value.trim();
     }
+
+    private static String randomSuffix() {
+        return UUID.randomUUID().toString().replace("-", "").substring(0, 8).toLowerCase();
+    }
 }
diff --git a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceProvisioningProperties.java b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceProvisioningProperties.java
index ec0ca6e5..268138b2 100644
--- a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceProvisioningProperties.java
+++ b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceProvisioningProperties.java
@@ -24,9 +24,9 @@ public class PersonalNamespaceProvisioningProperties {
      * Spring property references. Operators change the templates in the admin console, so these
      * defaults only apply until someone does.
      */
-    private String slugTemplate = "${username}";
+    private String slugTemplate = "personal-${random}";
 
-    private String displayNameTemplate = "${username}";
+    private String displayNameTemplate = "${username}-个人空间";
 
     public boolean isEnabled() {
         return enabled;
diff --git a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceSettings.java b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceSettings.java
index 62f817d7..65ca6e56 100644
--- a/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceSettings.java
+++ b/server/skillhub-domain/src/main/java/com/iflytek/skillhub/domain/namespace/PersonalNamespaceSettings.java
@@ -20,4 +20,5 @@ public record PersonalNamespaceSettings(
     public static final String PLACEHOLDER_USERNAME = "username";
     public static final String PLACEHOLDER_EMAIL_PREFIX = "email_prefix";
     public static final String PLACEHOLDER_USER_ID = "user_id";
+    public static final String PLACEHOLDER_RANDOM = "random";
 }