diff --git a/backend-java/src/test/java/com/nanri/aiimage/config/AdminApiGuardFilterTest.java b/backend-java/src/test/java/com/nanri/aiimage/config/AdminApiGuardFilterTest.java
index f3682a8f..8b8b9f23 100644
--- a/backend-java/src/test/java/com/nanri/aiimage/config/AdminApiGuardFilterTest.java
+++ b/backend-java/src/test/java/com/nanri/aiimage/config/AdminApiGuardFilterTest.java
@@ -142,10 +142,13 @@ class AdminApiGuardFilterTest {
 
     @Test
     void exemptPrefixPassesThrough() throws Exception {
+        // 豁免前缀是配置项 aiimage.security.admin-guard-exempt-prefixes 留的操作出口，默认空、
+        // 生产未配置任何值。故此处取一个显然不存在的样例前缀——不要换成某个真实业务端点，
+        // 否则会被误读成"该端点已配好豁免"（此前这里是已下线的 shop-credential-checks）。
         AdminAuthSupport authSupport = mock(AdminAuthSupport.class);
-        AdminApiGuardFilter filter = newFilter(authSupport, true, "/api/admin/shop-credential-checks");
+        AdminApiGuardFilter filter = newFilter(authSupport, true, "/api/admin/example-exempt");
         MockHttpServletRequest request =
-                new MockHttpServletRequest("GET", "/api/admin/shop-credential-checks/poll");
+                new MockHttpServletRequest("GET", "/api/admin/example-exempt/poll");
         MockHttpServletResponse response = new MockHttpServletResponse();
         MockFilterChain chain = new MockFilterChain();