diff --git a/dsms-engine-application/src/test/java/com/dsms/common/model/DatabaseFieldSubBOTest.java b/dsms-engine-application/src/test/java/com/dsms/common/model/DatabaseFieldSubBOTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..48c27b93ea4f3d22c106c94e94acddf3e9b24439
--- /dev/null
+++ b/dsms-engine-application/src/test/java/com/dsms/common/model/DatabaseFieldSubBOTest.java
@@ -0,0 +1,17 @@
+package com.dsms.common.model;
+
+import com.dsms.common.taskmanager.model.Task;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class DatabaseFieldSubBOTest {
+
+    @Test
+    void testDatabaseFieldSubBOTest() {
+        DatabaseFieldSubBO databaseFieldSubBO = new DatabaseFieldSubBO(Task.class, "id", 32);
+        Assertions.assertEquals(Task.class, databaseFieldSubBO.getClazz());
+        Assertions.assertEquals("id", databaseFieldSubBO.getTableFieldName());
+        Assertions.assertEquals(32, databaseFieldSubBO.getDatabaseLength());
+    }
+
+}
\ No newline at end of file