diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index 043499d4..60b912b2 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -306,6 +306,14 @@ public class PythonService {
                 sketchNumbers[1] = systemScale.multiply(BigDecimal.valueOf(8 - sketchNumbers[0])).setScale(0, BigDecimal.ROUND_HALF_UP).intValue();
                 sketchNumbers[2] = 8 - sketchNumbers[0] - sketchNumbers[1];
             }
+            if (sketchNumbers[2] > 0 && sketchNumbers[1] > 0) {
+                Long l = RandomsUtil.randomSysFile(0l, 1l);
+                if (l == 0l) {
+                    return CurrentDesignPictureTypeEnum.NO_PIN;
+                }else {
+                    return CurrentDesignPictureTypeEnum.SYS_FILE;
+                }
+            }
             if (sketchNumbers[2] > 0) {
                 return CurrentDesignPictureTypeEnum.NO_PIN;
             }