Merge pull request #15940 in DESIGN/design from fbp/release to fbp/feature

* commit 'c6faec151a9e2052ba524dc004d22908d431d9dc':
  REPORT-144979 【FR12】多租户环境不能新建模板

designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java

@@ -2049,8 +2049,10 @@ public abstract class JTemplate<T extends BaseBook, U extends BaseUndoState<?>>
             themeAttrMark = new TemplateThemeAttrMark();
             getTarget().addAttrMark(themeAttrMark);
         }
-        themeAttrMark.setName(theme.getName());
+        if (theme != null) {
-        themeAttrMark.setDark(theme.isDark());
+            themeAttrMark.setName(theme.getName());
+            themeAttrMark.setDark(theme.isDark());
+        }
     }
 
     public String getTemplateOpenFailedTip() {