diff --git a/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java b/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java
index 190b5a02..f50f1dd1 100644
--- a/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java
+++ b/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java
@@ -33,12 +33,16 @@ class WikiPageTypeProfileServiceE2ETest {
     @Autowired
     private WikiPageTypeProfileService service;
 
+    // Persistent file-DB isolation: fresh kb ids per test.
+    private static final java.util.concurrent.atomic.AtomicLong SEQ =
+            new java.util.concurrent.atomic.AtomicLong(System.nanoTime());
+
     private static final String EPISODE_JSON =
             "{\"version\":1,\"pageTypes\":{\"episode\":{\"label\":\"Episode\"}}}";
 
     @Test
     void saveThenResolve_roundTrips() {
-        long kb = 5001L;
+        long kb = SEQ.incrementAndGet();
         service.saveProfile(kb, "liquidity", EPISODE_JSON);
 
         WikiPageTypeProfileEntity row = service.findEnabledRow(kb);
@@ -50,7 +54,7 @@ class WikiPageTypeProfileServiceE2ETest {
 
     @Test
     void saveTwice_upsertsInPlaceAndBumpsVersion() {
-        long kb = 5002L;
+        long kb = SEQ.incrementAndGet();
         service.saveProfile(kb, "v1", EPISODE_JSON);
         // Saving again must update the single enabled row, not insert a second
         // (which would violate the one-enabled-per-KB generated-column UNIQUE).
@@ -64,7 +68,7 @@ class WikiPageTypeProfileServiceE2ETest {
 
     @Test
     void resetToDefault_removesRowAndFallsBack() {
-        long kb = 5003L;
+        long kb = SEQ.incrementAndGet();
         service.saveProfile(kb, "custom", EPISODE_JSON);
         assertNotNull(service.findEnabledRow(kb));
 
@@ -79,7 +83,7 @@ class WikiPageTypeProfileServiceE2ETest {
     @Test
     void invalidConfig_isRejectedOnSave() {
         try {
-            service.saveProfile(5004L, "bad", "{ not json");
+            service.saveProfile(SEQ.incrementAndGet(), "bad", "{ not json");
             org.junit.jupiter.api.Assertions.fail("expected IllegalArgumentException");
         } catch (IllegalArgumentException expected) {
             // ok
diff --git a/mateclaw-server/src/test/java/vip/mate/wiki/repository/WikiPageTypeProfileMapperE2ETest.java b/mateclaw-server/src/test/java/vip/mate/wiki/repository/WikiPageTypeProfileMapperE2ETest.java
index 5d070b2a..1f2ba9eb 100644
--- a/mateclaw-server/src/test/java/vip/mate/wiki/repository/WikiPageTypeProfileMapperE2ETest.java
+++ b/mateclaw-server/src/test/java/vip/mate/wiki/repository/WikiPageTypeProfileMapperE2ETest.java
@@ -32,6 +32,15 @@ class WikiPageTypeProfileMapperE2ETest {
     @Autowired
     private WikiPageTypeProfileMapper mapper;
 
+    // The test H2 is a persistent file DB shared across runs, so each test
+    // uses fresh kb ids to stay isolated from earlier runs' rows.
+    private static final java.util.concurrent.atomic.AtomicLong SEQ =
+            new java.util.concurrent.atomic.AtomicLong(System.nanoTime());
+
+    private long uniqueKb() {
+        return SEQ.incrementAndGet();
+    }
+
     private WikiPageTypeProfileEntity profile(long kbId, String name, int enabled) {
         WikiPageTypeProfileEntity p = new WikiPageTypeProfileEntity();
         p.setKbId(kbId);
@@ -46,40 +55,43 @@ class WikiPageTypeProfileMapperE2ETest {
 
     @Test
     void insertsAndReadsBack() {
-        WikiPageTypeProfileEntity p = profile(9001L, "default", 1);
+        long kb = uniqueKb();
+        WikiPageTypeProfileEntity p = profile(kb, "default", 1);
         mapper.insert(p);
         assertNotNull(p.getId());
         WikiPageTypeProfileEntity loaded = mapper.selectById(p.getId());
         assertEquals("default", loaded.getName());
-        assertEquals(9001L, loaded.getKbId());
+        assertEquals(kb, loaded.getKbId());
     }
 
     @Test
     void secondEnabledProfileForSameKb_isRejected() {
-        mapper.insert(profile(9002L, "default", 1));
+        long kb = uniqueKb();
+        mapper.insert(profile(kb, "default", 1));
         // A different name but also enabled for the same KB must violate the
         // generated-column UNIQUE (one enabled profile per KB).
-        assertThrows(Exception.class, () -> mapper.insert(profile(9002L, "regulation", 1)));
+        assertThrows(Exception.class, () -> mapper.insert(profile(kb, "regulation", 1)));
     }
 
     @Test
     void multipleDisabledProfilesForSameKb_coexist() {
-        mapper.insert(profile(9003L, "default", 1));
+        long kb = uniqueKb();
+        mapper.insert(profile(kb, "default", 1));
         // enabled=0 rows yield NULL in the generated column and are exempt from
         // the unique check, so several may coexist.
-        mapper.insert(profile(9003L, "draft-a", 0));
-        mapper.insert(profile(9003L, "draft-b", 0));
+        mapper.insert(profile(kb, "draft-a", 0));
+        mapper.insert(profile(kb, "draft-b", 0));
         long count = mapper.selectCount(
                 com.baomidou.mybatisplus.core.toolkit.Wrappers
                         .<WikiPageTypeProfileEntity>lambdaQuery()
-                        .eq(WikiPageTypeProfileEntity::getKbId, 9003L));
+                        .eq(WikiPageTypeProfileEntity::getKbId, kb));
         assertEquals(3, count);
     }
 
     @Test
     void enabledProfilesInDifferentKbs_coexist() {
-        mapper.insert(profile(9101L, "default", 1));
-        mapper.insert(profile(9102L, "default", 1));
+        mapper.insert(profile(uniqueKb(), "default", 1));
+        mapper.insert(profile(uniqueKb(), "default", 1));
         assertTrue(true); // no exception thrown — different KBs are independent
     }
 }
diff --git a/mateclaw-server/src/test/java/vip/mate/wiki/service/WikiPageMetadataE2ETest.java b/mateclaw-server/src/test/java/vip/mate/wiki/service/WikiPageMetadataE2ETest.java
index 7334c007..1511c61d 100644
--- a/mateclaw-server/src/test/java/vip/mate/wiki/service/WikiPageMetadataE2ETest.java
+++ b/mateclaw-server/src/test/java/vip/mate/wiki/service/WikiPageMetadataE2ETest.java
@@ -28,9 +28,13 @@ class WikiPageMetadataE2ETest {
     @Autowired
     private WikiPageService pageService;
 
+    // Persistent file-DB isolation: fresh kb ids per test.
+    private static final java.util.concurrent.atomic.AtomicLong SEQ =
+            new java.util.concurrent.atomic.AtomicLong(System.nanoTime());
+
     @Test
     void applyMetadata_persistsColumns_withoutTouchingContent() {
-        long kb = 6001L;
+        long kb = SEQ.incrementAndGet();
         WikiPageEntity page = pageService.createPage(kb, "episode-x", "Episode X",
                 "## Body\n\noriginal content", "summary", "[1]", "episode");
         assertNotNull(page.getId());
@@ -49,7 +53,7 @@ class WikiPageMetadataE2ETest {
 
     @Test
     void applyMetadata_warningStatusAndJson() {
-        long kb = 6002L;
+        long kb = SEQ.incrementAndGet();
         WikiPageEntity page = pageService.createPage(kb, "episode-y", "Episode Y",
                 "body", "summary", "[1]", "episode");