diff --git a/platform-common/src/main/java/com/lyms/platform/common/dao/operator/MongoCondition.java b/platform-common/src/main/java/com/lyms/platform/common/dao/operator/MongoCondition.java
index dc8e2ae..b35ed17 100644
--- a/platform-common/src/main/java/com/lyms/platform/common/dao/operator/MongoCondition.java
+++ b/platform-common/src/main/java/com/lyms/platform/common/dao/operator/MongoCondition.java
@@ -202,6 +202,13 @@ public class MongoCondition {
                 criteria.in(obj);
             }
         }
+        else if(MongoOper.NIN==oper){
+            if (obj instanceof Collection) {
+                criteria.nin((Collection) obj);
+            }else {
+                criteria.nin(obj);
+            }
+        }
     }
 
     /**