diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/VelocityTemplateEngine.java b/screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/VelocityTemplateEngine.java
index 3e6a5d0..5beb4d7 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/VelocityTemplateEngine.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/VelocityTemplateEngine.java
@@ -95,7 +95,7 @@ public class VelocityTemplateEngine extends AbstractTemplateEngine {
         Template template = null;
         try {
             String templateContent = getEngineConfig().getTemplateContent();
-            if (StringUtils.isBlank(templateContent)) {
+            if (templateContent != null) {
                 // get template path
                 String path = getEngineConfig().getCustomTemplate();
                 //如果自定义了模板
diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/ColumnModel.java b/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/ColumnModel.java
index fa0459d..8d732fe 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/ColumnModel.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/ColumnModel.java
@@ -98,4 +98,9 @@ public class ColumnModel implements Serializable {
      * 嵌套数据信息（用于文档数据库）
      */
     private TableModel        nestedTable;
+
+    /**
+     * 是否弃用
+     */
+    private Boolean           deprecated;
 }
diff --git a/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/TableModel.java b/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/TableModel.java
index 63c6455..834444e 100644
--- a/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/TableModel.java
+++ b/screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/TableModel.java
@@ -44,4 +44,9 @@ public class TableModel implements Serializable {
      * 表列
      */
     private List<ColumnModel> columns;
+
+    /**
+     * 是否弃用
+     */
+    private Boolean           deprecated;
 }