diff --git a/iam/src/main/java/com/baiyue/iam/BaiyueIamApplication.java b/iam/src/main/java/com/baiyue/iam/BaiyueIamApplication.java
index daef7c591..41b3941f4 100644
--- a/iam/src/main/java/com/baiyue/iam/BaiyueIamApplication.java
+++ b/iam/src/main/java/com/baiyue/iam/BaiyueIamApplication.java
@@ -9,7 +9,7 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 /**
  * 身份与权限服务启动入口，负责装配租户、成员、双端 RBAC 和授权快照相关组件。
  */
-@MapperScan("com.baiyue.iam.mapper")
+@MapperScan({"com.baiyue.iam.mapper", "com.baiyue.iam.notification.mapper"})
 @EnableFeignClients(basePackages = "com.baiyue.iam.client")
 @EnableScheduling
 @SpringBootApplication(scanBasePackages = "com.baiyue")
diff --git a/iam/src/test/java/com/baiyue/iam/BaiyueIamApplicationContractTest.java b/iam/src/test/java/com/baiyue/iam/BaiyueIamApplicationContractTest.java
new file mode 100644
index 000000000..d2055bc02
--- /dev/null
+++ b/iam/src/test/java/com/baiyue/iam/BaiyueIamApplicationContractTest.java
@@ -0,0 +1,18 @@
+package com.baiyue.iam;
+
+import org.junit.jupiter.api.Test;
+import org.mybatis.spring.annotation.MapperScan;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class BaiyueIamApplicationContractTest {
+    @Test
+    void scansCoreAndNotificationMappers() {
+        MapperScan mapperScan = BaiyueIamApplication.class.getAnnotation(MapperScan.class);
+
+        assertThat(mapperScan).isNotNull();
+        assertThat(mapperScan.value()).containsExactlyInAnyOrder(
+                "com.baiyue.iam.mapper",
+                "com.baiyue.iam.notification.mapper");
+    }
+}