diff --git a/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/constants/SystemConstants.java b/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/constants/SystemConstants.java
index cec2c3d5e..fa034d148 100644
--- a/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/constants/SystemConstants.java
+++ b/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/constants/SystemConstants.java
@@ -67,6 +67,16 @@ public interface SystemConstants {
      */
     Integer SUPER_ADMIN_INIT_LISTENER_SORT = 400;
 
+    /**
+     * 主题编码相关的系统变量前缀
+     */
+    String THEME_CODE_SYSTEM_PREFIX = "GUNS";
+
+    /**
+     * 系统内置主题模板的编码
+     */
+    String THEME_GUNS_PLATFORM = "GUNS_PLATFORM";
+
     /**
      * FieldMetadata类全路径
      */
diff --git a/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/exception/enums/theme/SysThemeExceptionEnum.java b/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/exception/enums/theme/SysThemeExceptionEnum.java
index 2f66878f4..d327ac957 100644
--- a/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/exception/enums/theme/SysThemeExceptionEnum.java
+++ b/kernel-s-system/system-api/src/main/java/cn/stylefeng/roses/kernel/system/api/exception/enums/theme/SysThemeExceptionEnum.java
@@ -32,7 +32,12 @@ public enum SysThemeExceptionEnum implements AbstractExceptionEnum {
     /**
      * 唯一启用的系统主题不允许禁用
      */
-    UNIQUE_ENABLE_NOT_DISABLE(RuleConstants.USER_OPERATION_ERROR_TYPE_CODE + SystemConstants.SYSTEM_EXCEPTION_STEP_CODE + "124", "唯一启用的系统主题不允许禁用");
+    UNIQUE_ENABLE_NOT_DISABLE(RuleConstants.USER_OPERATION_ERROR_TYPE_CODE + SystemConstants.SYSTEM_EXCEPTION_STEP_CODE + "124", "唯一启用的系统主题不允许禁用"),
+
+    /**
+     * 编码前缀为GUNS的是系统内置属性，不能删除
+     */
+    THEME_IS_SYSTEM(RuleConstants.USER_OPERATION_ERROR_TYPE_CODE + SystemConstants.SYSTEM_EXCEPTION_STEP_CODE + "125", "编码前缀为GUNS的是系统内置属性，不能删除");
 
     /**
      * 错误编码
diff --git a/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateFieldServiceImpl.java b/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateFieldServiceImpl.java
index 21fd4e54a..78a23d25e 100644
--- a/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateFieldServiceImpl.java
+++ b/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateFieldServiceImpl.java
@@ -7,7 +7,9 @@ import cn.stylefeng.roses.kernel.db.api.factory.PageFactory;
 import cn.stylefeng.roses.kernel.db.api.factory.PageResultFactory;
 import cn.stylefeng.roses.kernel.db.api.pojo.page.PageResult;
 import cn.stylefeng.roses.kernel.rule.enums.YesOrNotEnum;
+import cn.stylefeng.roses.kernel.system.api.constants.SystemConstants;
 import cn.stylefeng.roses.kernel.system.api.exception.SystemModularException;
+import cn.stylefeng.roses.kernel.system.api.exception.enums.theme.SysThemeExceptionEnum;
 import cn.stylefeng.roses.kernel.system.api.exception.enums.theme.SysThemeTemplateFieldExceptionEnum;
 import cn.stylefeng.roses.kernel.system.api.pojo.theme.SysThemeTemplateFieldRequest;
 import cn.stylefeng.roses.kernel.system.modular.theme.entity.SysThemeTemplateField;
@@ -24,6 +26,7 @@ import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import java.util.List;
+import java.util.Locale;
 import java.util.stream.Collectors;
 
 /**
@@ -55,6 +58,11 @@ public class SysThemeTemplateFieldServiceImpl extends ServiceImpl<SysThemeTempla
     public void del(SysThemeTemplateFieldRequest sysThemeTemplateFieldRequest) {
         SysThemeTemplateField sysThemeTemplateField = this.queryThemeTemplateFieldById(sysThemeTemplateFieldRequest);
 
+        // Guns开头的模板字段不能删除，系统内置
+        if (sysThemeTemplateField.getFieldCode().toUpperCase(Locale.ROOT).startsWith(SystemConstants.THEME_CODE_SYSTEM_PREFIX)) {
+            throw new SystemModularException(SysThemeExceptionEnum.THEME_IS_SYSTEM);
+        }
+
         // 校验系统主题模板属性使用
         this.verificationAttributeUsage(sysThemeTemplateField);
 
diff --git a/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateServiceImpl.java b/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateServiceImpl.java
index 8a26d4273..eecd33a99 100644
--- a/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateServiceImpl.java
+++ b/kernel-s-system/system-business-theme/src/main/java/cn/stylefeng/roses/kernel/system/modular/theme/service/impl/SysThemeTemplateServiceImpl.java
@@ -7,7 +7,9 @@ import cn.stylefeng.roses.kernel.db.api.factory.PageFactory;
 import cn.stylefeng.roses.kernel.db.api.factory.PageResultFactory;
 import cn.stylefeng.roses.kernel.db.api.pojo.page.PageResult;
 import cn.stylefeng.roses.kernel.rule.enums.YesOrNotEnum;
+import cn.stylefeng.roses.kernel.system.api.constants.SystemConstants;
 import cn.stylefeng.roses.kernel.system.api.exception.SystemModularException;
+import cn.stylefeng.roses.kernel.system.api.exception.enums.theme.SysThemeExceptionEnum;
 import cn.stylefeng.roses.kernel.system.api.exception.enums.theme.SysThemeTemplateExceptionEnum;
 import cn.stylefeng.roses.kernel.system.api.pojo.theme.SysThemeTemplateDataDTO;
 import cn.stylefeng.roses.kernel.system.api.pojo.theme.SysThemeTemplateRequest;
@@ -26,6 +28,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
 import java.util.List;
+import java.util.Locale;
 
 /**
  * 系统主题模板service接口实现类
@@ -77,6 +80,12 @@ public class SysThemeTemplateServiceImpl extends ServiceImpl<SysThemeTemplateMap
     public void del(SysThemeTemplateRequest sysThemeTemplateRequest) {
         SysThemeTemplate sysThemeTemplate = this.querySysThemeTemplateById(sysThemeTemplateRequest);
 
+        // Guns开头的模板字段不能删除，系统内置
+        if (sysThemeTemplateRequest.getTemplateCode().toUpperCase(Locale.ROOT).startsWith(SystemConstants.THEME_CODE_SYSTEM_PREFIX)) {
+            throw new SystemModularException(SysThemeExceptionEnum.THEME_IS_SYSTEM);
+        }
+
+        // 启动的主题模板不能删除
         if (YesOrNotEnum.Y.getCode().equals(sysThemeTemplate.getStatusFlag().toString())) {
             throw new SystemModularException(SysThemeTemplateExceptionEnum.TEMPLATE_IS_ENABLE);
         }
@@ -136,7 +145,7 @@ public class SysThemeTemplateServiceImpl extends ServiceImpl<SysThemeTemplateMap
 
             sysThemeTemplate.setStatusFlag(YesOrNotEnum.Y.getCode().charAt(0));
         }
-        
+
         this.updateById(sysThemeTemplate);
     }