diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/projectdeclared/utils/GenerateProjectCodeUtil.java b/pmapi/src/main/java/com/ningdatech/pmapi/projectdeclared/utils/GenerateProjectCodeUtil.java
index c9de91a..166e8ec 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/projectdeclared/utils/GenerateProjectCodeUtil.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/projectdeclared/utils/GenerateProjectCodeUtil.java
@@ -40,7 +40,8 @@ public class GenerateProjectCodeUtil {
         String projectType =  ProjectCodeContant.PROJECT_TYPE_PREFIX + project.getProjectType();
         // 16-20 项目序号00001
         Long max = projectService.count(Wrappers.lambdaQuery(Project.class)
-                .eq(Project::getProjectYear,project.getProjectYear()));
+                .eq(Project::getProjectYear,project.getProjectYear())
+                .eq(Project::getNewest,Boolean.TRUE));
         Long maxCurrent = max + 1;
         String serialNumber = String.format(ProjectCodeContant.SHUZI_5,maxCurrent);
         // 生成20位的项目编号
@@ -57,7 +58,8 @@ public class GenerateProjectCodeUtil {
         String projectType =  ProjectCodeContant.PROJECT_TYPE_PREFIX + project.getProjectType();
         // 16-20 项目序号00001
         Long max = projectService.count(Wrappers.lambdaQuery(Project.class)
-                .eq(Project::getProjectYear,project.getProjectYear()));
+                .eq(Project::getProjectYear,project.getProjectYear())
+                .eq(Project::getNewest,Boolean.TRUE));
         Long maxCurrent = max + 1;
         String serialNumber = String.format(ProjectCodeContant.SHUZI_5,maxCurrent);
         // 生成20位的项目编号