diff --git a/src/main/java/com/greenorange/promotion/controller/project/PromoCodeApplyController.java b/src/main/java/com/greenorange/promotion/controller/project/PromoCodeApplyController.java
index 6c84515..f5d3677 100644
--- a/src/main/java/com/greenorange/promotion/controller/project/PromoCodeApplyController.java
+++ b/src/main/java/com/greenorange/promotion/controller/project/PromoCodeApplyController.java
@@ -100,8 +100,12 @@ public class PromoCodeApplyController {
         String promoCodeImage = promoCode.getPromoCodeImage();
         // 获取项目的参数信息
         Project project = projectService.getById(projectId);
+
         // 更新项目的推广人数
-        project.setCurrentPromotionCount(project.getCurrentPromotionCount() + 1);
+        Map<SFunction<UserProject, ?>, Object> projectConditions = Map.of(UserProject::getProjectId, projectId, UserProject::getUserId, userId);
+        List<UserProject> userProjectList = commonService.findByFieldEqTargetFields(projectConditions, userProjectService);
+        if (userProjectList.isEmpty()) project.setCurrentPromotionCount(project.getCurrentPromotionCount() + 1);
+
         projectService.updateById(project);
         String projectName = project.getProjectName();
         String projectImage = project.getProjectImage();
@@ -124,14 +128,16 @@ public class PromoCodeApplyController {
         promoCodeApplyService.save(promoCodeApply);
 
         // 添加用户项目记录
-        UserProject userProject = UserProject.builder()
-                .projectId(projectId)
-                .projectName(projectName)
-                .projectImage(projectImage)
-                .projectSettlementCycle(projectSettlementCycle)
-                .userId(userId)
-                .build();
-        userProjectService.save(userProject);
+        if (userProjectList.isEmpty()) {
+            UserProject userProject = UserProject.builder()
+                    .projectId(projectId)
+                    .projectName(projectName)
+                    .projectImage(projectImage)
+                    .projectSettlementCycle(projectSettlementCycle)
+                    .userId(userId)
+                    .build();
+            userProjectService.save(userProject);
+        }
         return ResultUtils.success(true);
     }