diff --git a/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java b/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
index 2e89c857..2d2a93d9 100644
--- a/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/PortfolioServiceImpl.java
@@ -218,9 +218,11 @@ public class PortfolioServiceImpl extends ServiceImpl<PortfolioMapper, Portfolio
                         QueryWrapper<DesignItemDetailPrint> designItemDetailPrintQueryWrapper = new QueryWrapper<>();
                         designItemDetailPrintQueryWrapper.lambda().eq(DesignItemDetailPrint::getDesignItemDetailId, designItemDetailIdOld);
                         DesignItemDetailPrint designItemDetailPrint = designItemDetailPrintMapper.selectOne(designItemDetailPrintQueryWrapper);
-                        designItemDetailPrint.setId(null);
-                        designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
-                        designItemDetailPrintMapper.insert(designItemDetailPrint);
+                        if (Objects.nonNull(designItemDetailPrint)) {
+                            designItemDetailPrint.setId(null);
+                            designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
+                            designItemDetailPrintMapper.insert(designItemDetailPrint);
+                        }
                     }
                 }
             } else {
@@ -355,8 +357,11 @@ public class PortfolioServiceImpl extends ServiceImpl<PortfolioMapper, Portfolio
                     QueryWrapper<DesignItemDetailPrint> designItemDetailPrintQueryWrapper = new QueryWrapper<>();
                     designItemDetailPrintQueryWrapper.lambda().eq(DesignItemDetailPrint::getDesignItemDetailId, designItemDetailIdOld);
                     DesignItemDetailPrint designItemDetailPrint = designItemDetailPrintMapper.selectOne(designItemDetailPrintQueryWrapper);
-                    designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
-                    designItemDetailPrintMapper.insert(designItemDetailPrint);
+                    if (Objects.nonNull(designItemDetailPrint)) {
+                        designItemDetailPrint.setId(null);
+                        designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
+                        designItemDetailPrintMapper.insert(designItemDetailPrint);
+                    }
                 }
             }
         }
@@ -547,9 +552,11 @@ public class PortfolioServiceImpl extends ServiceImpl<PortfolioMapper, Portfolio
                 QueryWrapper<DesignItemDetailPrint> designItemDetailPrintQueryWrapper = new QueryWrapper<>();
                 designItemDetailPrintQueryWrapper.lambda().eq(DesignItemDetailPrint::getDesignItemDetailId, designItemDetailIdOld);
                 DesignItemDetailPrint designItemDetailPrint = designItemDetailPrintMapper.selectOne(designItemDetailPrintQueryWrapper);
-                designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
-                designItemDetailPrint.setId(null);
-                designItemDetailPrintMapper.insert(designItemDetailPrint);
+                if (Objects.nonNull(designItemDetailPrint)) {
+                    designItemDetailPrint.setId(null);
+                    designItemDetailPrint.setDesignItemDetailId(designItemDetailIdNew);
+                    designItemDetailPrintMapper.insert(designItemDetailPrint);
+                }
             }
         }