diff --git a/common/src/main/java/com/foreverwin/mesnac/common/service/impl/PrintLogServiceImpl.java b/common/src/main/java/com/foreverwin/mesnac/common/service/impl/PrintLogServiceImpl.java
index c0fb65dd..8856c3dc 100644
--- a/common/src/main/java/com/foreverwin/mesnac/common/service/impl/PrintLogServiceImpl.java
+++ b/common/src/main/java/com/foreverwin/mesnac/common/service/impl/PrintLogServiceImpl.java
@@ -76,7 +76,8 @@ public class PrintLogServiceImpl extends ServiceImpl<PrintLogMapper, PrintLog> i
          * {"msg":"打印成功","code":0}
          * {"msg":"打印失败","code":500}
          * 根据返回值，更新打印机信息-printName及打印是否成功信息isPrint
-         */
+         * */
+
         JSONObject jsonObject = JSONObject.parseObject(post);
         Integer code = jsonObject.getInteger("code");
         String msg = jsonObject.getString("msg");
@@ -89,7 +90,12 @@ public class PrintLogServiceImpl extends ServiceImpl<PrintLogMapper, PrintLog> i
             PrintLog printLogOne = new PrintLog();
             printLogOne.setHandle(printLog.getHandle());
             printLogOne.setIsPrint("true");
-            printLogOne.setPrintNum(printLog.getPrintNum()+1);
+            Integer printNum = printLog.getPrintNum();
+            if (printNum == null){
+                printLogOne.setPrintNum(1);
+            }else {
+                printLogOne.setPrintNum(printNum+1);
+            }
             if (!printLog.getCategory().equals(Constants.PRINT_TYPE_SFC)){
                 printLogOne.setPrintName(printLog.getPrintName());
             }