diff --git a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/sys/user/party/PartyCache.java b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/sys/user/party/PartyCache.java
index 6829b3c..8895a35 100644
--- a/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/sys/user/party/PartyCache.java
+++ b/smtweb-framework/bpm/src/main/java/cc/smtweb/system/bpm/web/sys/user/party/PartyCache.java
@@ -3,6 +3,7 @@ package cc.smtweb.system.bpm.web.sys.user.party;
 import cc.smtweb.framework.core.annotation.SwCache;
 import cc.smtweb.framework.core.cache.AbstractEntityCache;
 import cc.smtweb.framework.core.cache.CacheManager;
+import cc.smtweb.framework.core.util.PubUtil;
 
 import java.util.Set;
 
@@ -23,11 +24,28 @@ public class PartyCache extends AbstractEntityCache<Party> {
 
     public PartyCache() {
         //缓存key：按父ID
-            regList(mk_pr, "pt_parent_id");
+        regList(mk_pr, "pt_parent_id");
     }
 
-    //缓存key：按父ID
-    public final Set<Party> getByPr(String key) {
-        return getListByKey(mk_pr, key);
+    //获取儿子
+    public final Set<Party> getChildren(Long key) {
+        return getListByKey(mk_pr, String.valueOf(key));
+    }
+
+    //获取顶级集合
+    public final Set<Party> getTopSet() {
+        return getChildren(-1L);
+    }
+
+    //是否顶级
+    public final boolean isTop(Long key) {
+        Party party = get(key);
+        return party != null && party.getParentId() <= 0;
+    }
+
+    //是否末级
+    public final boolean isLeaf(Long key) {
+        Set<Party> children = getChildren(key);
+        return PubUtil.isEmpty(children);
     }
 }