diff --git a/src/main/java/com/ai/da/python/PythonService.java b/src/main/java/com/ai/da/python/PythonService.java
index 2702db46..5d531fb1 100644
--- a/src/main/java/com/ai/da/python/PythonService.java
+++ b/src/main/java/com/ai/da/python/PythonService.java
@@ -415,23 +415,16 @@ public class PythonService {
         if (CollectionUtils.isEmpty(printBoardElements)) {
             return 0;
         }
-        long pinNum = printBoardElements.stream().filter(f -> f.getHasPin() == 1).count();
         long noPinNum = printBoardElements.stream().filter(f -> f.getHasPin() == 0).count();
-        if (pinNum <= 4) {
-            if (noPinNum <= 4) {
-                return RandomsUtil.randomSysFile(0L, noPinNum + 1);
-            }else {
-                return RandomsUtil.randomSysFile(0L, 5L);
-            }
-        }else if (pinNum < 8) {
-            if (noPinNum <= 8 - pinNum) {
-                return RandomsUtil.randomSysFile(0L, noPinNum + 1);
-            }else {
-                long maxNum = 8 - pinNum;
-                return RandomsUtil.randomSysFile(0L, maxNum + 1);
-            }
-        }else {
+        if (noPinNum == 0L) {
             return 0;
+        }else {
+            long pinNum = printBoardElements.stream().filter(f -> f.getHasPin() == 1).count();
+            if (8 - pinNum < 4) {
+                return RandomsUtil.randomSysFile(0L, 8 - pinNum + 1);
+            }else {
+                return RandomsUtil.randomSysFile(0L, 4L + 1);
+            }
         }
     }