diff --git a/src/main/java/com/ai/da/service/impl/CollectionServiceImpl.java b/src/main/java/com/ai/da/service/impl/CollectionServiceImpl.java
index 651e640f..5a20b7de 100644
--- a/src/main/java/com/ai/da/service/impl/CollectionServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/CollectionServiceImpl.java
@@ -141,7 +141,11 @@ public class CollectionServiceImpl extends ServiceImpl<CollectionMapper, Collect
             } else {
                 String[] idName = name.split("_");
                 if (idName.length > 1) {
-                    d.setId(StringUtil.isNullOrEmpty(idName[0]) ? null : Integer.valueOf(idName[0]));
+                    if (idName[0].equals("null")) {
+                        d.setId(null);
+                    }else {
+                        d.setId(StringUtil.isNullOrEmpty(idName[0]) ? null : Integer.valueOf(idName[0]));
+                    }
                     d.setName(idName[1]);
                     d.setTcx(idName[2]);
                 }