diff --git a/packages-user/data-state/src/core.ts b/packages-user/data-state/src/core.ts
index 35e45ab..879bbc5 100644
--- a/packages-user/data-state/src/core.ts
+++ b/packages-user/data-state/src/core.ts
@@ -530,7 +530,7 @@ export class CoreState implements ICoreState {
         }
         const loaded = new Set<string>(state.keys());
         const total = new Set(this.saveables.keys());
-        const remain = total.difference(loaded);
+        const remain = loaded.difference(total);
         if (remain.size > 0) {
             const ids = [...remain].join(' | ');
             logger.warn(178, ids);
diff --git a/packages-user/data-state/test/saveablesRoundTrip.test.ts b/packages-user/data-state/test/saveablesRoundTrip.test.ts
index 0c43657..3f95dc7 100644
--- a/packages-user/data-state/test/saveablesRoundTrip.test.ts
+++ b/packages-user/data-state/test/saveablesRoundTrip.test.ts
@@ -318,8 +318,8 @@ describe('CoreState save and load guards', () => {
         expect(result.info.map(info => info.code)).toContain(177);
     });
 
-    // 验证存档缺失 saveable key 时同时观测到警告码 178（当前实现的实际触发路径）
-    it('warns code 178 when the save data misses a saveable key', () => {
+    // 验证存档缺失 saveable key 时只触发警告码 177，不再误报 178（177/178 语义互斥）
+    it('warns code 177 but not 178 when the save data misses a saveable key', () => {
         const state = createCoreState();
         const snapshot = new Map(
             state.saveState(SaveCompression.NoCompression)
@@ -330,11 +330,13 @@ describe('CoreState save and load guards', () => {
             state.loadState(snapshot, SaveCompression.NoCompression)
         );
 
-        expect(result.info.map(info => info.code)).toContain(178);
+        const codes = result.info.map(info => info.code);
+        expect(codes).toContain(177);
+        expect(codes).not.toContain(178);
     });
 
-    // 疑似 bug：码 178 的判定与文案相反，对「存档多出的 key」不告警，详见 06-TEST-FINDINGS.md #06-09-5
-    it.skip('warns code 178 when the save data has keys that are not loaded', () => {
+    // 验证存档含未注册（未加载）key 时经 logger.catch 观测到警告码 178（#06-09-5）
+    it('warns code 178 when the save data has keys that are not loaded', () => {
         const state = createCoreState();
         const snapshot = new Map(
             state.saveState(SaveCompression.NoCompression)