Merge branch 'dev' of http://git.estsh.com/i3-IMPP/i3plus-pojo into dev

modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/WmsEnumUtil.java

@@ -896,12 +896,15 @@ public class WmsEnumUtil {
         }
 
         public static STOCK_SN_QC_STATUS codeOf(Integer value) {
-            int tmp = 1;
+            if (value == null) {
+                return null;
+            } else {
                 for (int i = 0; i < values().length; i++) {
                     if (values()[i].value == value) {
                         return values()[i];
                     }
                 }
+            }
             return null;
         }
     }