diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index 9d123b9b..45d8a75a 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -555,7 +555,9 @@ public class PythonService {
             return 0;
         } else {
             long pinNum = printBoardElements.stream().filter(f -> f.getHasPin() == 1).count();
-            if (designNum - pinNum < designNum/2) {
+            if (designNum - pinNum < 0){
+                return RandomsUtil.randomSysFile(0L, (long) (pinNum/2 + 1));
+            } else if (designNum - pinNum < designNum/2) {
                 return RandomsUtil.randomSysFile(0L, designNum - pinNum + 1);
             } else {
                 return RandomsUtil.randomSysFile(0L, (long) (designNum/2 + 1));
diff --git a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
index 3b08bcc4..a834f987 100644
--- a/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/GenerateServiceImpl.java
@@ -1284,6 +1284,8 @@ public class GenerateServiceImpl extends ServiceImpl<GenerateMapper, Generate> i
     public String imageToSketchAsync(ImageToSketchDTO imageToSketchDTO, String collagePictureUrl, Long projectId) {
         Long accountId = UserContext.getUserHolder().getId();
         log.info("imageToSketch parameter : {}", imageToSketchDTO);
+        // 目前没有用其他提取模型，暂时写死flux
+        imageToSketchDTO.setModelName("flux");
 
         // 检查积分是否够本次扣除
 //        CreditsEventsEnum event = CreditsEventsEnum.IMAGE_TO_SKETCH;