diff --git a/src/main/java/com/zhgd/xmgl/modules/project/controller/LargeScreenConfigController.java b/src/main/java/com/zhgd/xmgl/modules/project/controller/LargeScreenConfigController.java
index 6a292a5be..3add87afa 100644
--- a/src/main/java/com/zhgd/xmgl/modules/project/controller/LargeScreenConfigController.java
+++ b/src/main/java/com/zhgd/xmgl/modules/project/controller/LargeScreenConfigController.java
@@ -1,5 +1,6 @@
 package com.zhgd.xmgl.modules.project.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -91,7 +92,16 @@ public class LargeScreenConfigController {
     @ApiOperation(value = " 添加自定义大屏配置信息", notes = "添加自定义大屏配置信息", httpMethod = "POST")
     @PostMapping(value = "/add")
     public Result<Object> add(@RequestBody LargeScreenConfig largeScreenConfig) {
-        largeScreenConfigService.save(largeScreenConfig);
+        LargeScreenConfig dbConfig = largeScreenConfigService.getOne(new LambdaQueryWrapper<LargeScreenConfig>()
+                .eq(LargeScreenConfig::getProjectSn, largeScreenConfig.getProjectSn())
+                .eq(LargeScreenConfig::getConfigKey, largeScreenConfig.getConfigKey())
+        );
+        if (dbConfig != null) {
+            largeScreenConfig.setId(dbConfig.getId());
+            largeScreenConfigService.updateById(largeScreenConfig);
+        } else {
+            largeScreenConfigService.save(largeScreenConfig);
+        }
         return Result.success("添加成功！");
     }