diff --git a/cloud-common-plugin/src/main/resources/templates/tree/tree-v2.html b/cloud-common-plugin/src/main/resources/templates/tree/tree-v2.html
index eb235ae..b7b0f70 100644
--- a/cloud-common-plugin/src/main/resources/templates/tree/tree-v2.html
+++ b/cloud-common-plugin/src/main/resources/templates/tree/tree-v2.html
@@ -190,17 +190,45 @@
                                 showSelectNodes();
                             }
                         },
+                        beforeCheck: function(treeId, treeNode) {
+                            if(!selectTree.check.chkboxType.SB) {
+                                return true;
+                            }
+                            if(isNodeSelect(treeNode[selectTree.primaryKey])) {
+                                return true;
+                            }
+                            // 清空原有选项
+                            var nodes = zTree.getCheckedNodes(true);
+                            for(var i = 0, item; item = nodes[i++];) {
+                                zTree.checkNode(item, false, true);
+                                removeSelectNodes(item[selectTree.primaryKey]);
+                            }
+                            return true;
+                        },
                         onCheck: function(event, treeId, treeNode) {
                             if(!isNodeSelect(treeNode[selectTree.primaryKey])) {
-                                if(treeNode[selectTree.primaryKey] == '0') {
-                                    zTree.checkNode(treeNode, false, true);
-                                    return;
-                                } else {
-                                    selectedNodes.push(treeNode);
+                                var nodes = zTree.getCheckedNodes(true);
+                                for(var i = 0, item; item = nodes[i++];) {
+                                    if(item[selectTree.primaryKey] == '0') {
+                                        zTree.checkNode(item, false, true);
+                                        return;
+                                    } else {
+                                        selectedNodes.push(item);
+                                    }
                                 }
+                                // if(treeNode[selectTree.primaryKey] == '0') {
+                                //     zTree.checkNode(treeNode, false, true);
+                                //     return;
+                                // } else {
+                                //     selectedNodes.push(treeNode);
+                                // }
                                 showSelectNodes();
                             } else {
-                                removeSelectNodes(treeNode[selectTree.primaryKey]);
+                                var nodes = zTree.getCheckedNodes(false);
+                                for(var i = 0, item; item = nodes[i++];) {
+                                    removeSelectNodes(item[selectTree.primaryKey]);
+                                }
+                                // removeSelectNodes(treeNode[selectTree.primaryKey]);
                             }
                         },
                         onAsyncSuccess: function(event, treeId, treeNode, msg) {