diff --git a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
index 6322e91c..5e8d4023 100644
--- a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
@@ -1625,10 +1625,10 @@ public class DesignServiceImpl extends ServiceImpl<DesignMapper, Design> impleme
 //                if (print.getSingleOrOverall().equals("single")) {
                 List<Float> scales;
                 Boolean ifSingle = print.getSingleOrOverall().equals("single") ? Boolean.TRUE : Boolean.FALSE;
-                Float scale = Float.valueOf(print.getScale());
                 try{
                     scales = JSONArray.parseArray(print.getScale(), Float.class);
                 }catch (JSONException e){
+                    Float scale = Float.valueOf(print.getScale());
                     if (ifSingle){
                         List<Integer> printWAndH = minioUtil.getImagesWidthAndHeight(print.getPath());
                         List<Integer> sketchWAndH = minioUtil.getImagesWidthAndHeight(sketchPath);