diff --git a/src/case/tree/treeexpander/tree.expander.js b/src/case/tree/treeexpander/tree.expander.js
index 36675ecca..8dde0807b 100644
--- a/src/case/tree/treeexpander/tree.expander.js
+++ b/src/case/tree/treeexpander/tree.expander.js
@@ -6,6 +6,7 @@
             isLastNode: false, //   是不是最后一个
             isFirstNode: false, // 是不是第一个
             selectable: false,
+            showLine: true,
         },
 
         render: function () {
@@ -33,6 +34,7 @@
                     layer: o.layer || o.el.layer,
                     isLastNode: o.isLastNode || o.el.isLastNode,
                     isFirstNode: o.isFirstNode || o.el.isFirstNode,
+                    showLine: o.showLine,
                     el: o.popup,
                 },
                 value: o.value,
diff --git a/src/case/tree/treeexpander/tree.expander.popup.js b/src/case/tree/treeexpander/tree.expander.popup.js
index edaad6c91..c3f53e40c 100644
--- a/src/case/tree/treeexpander/tree.expander.popup.js
+++ b/src/case/tree/treeexpander/tree.expander.popup.js
@@ -6,6 +6,7 @@
                 layer: 0, // 第几层级
                 el: {},
                 isLastNode: false,
+                showLine: true,
             };
         },
 
@@ -22,12 +23,15 @@
             this.popupView.on(BI.Controller.EVENT_CHANGE, function () {
                 self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
             });
-            this.popupView.element.css("margin-left", -offset * (o.layer + 1));
-            this.element.css("margin-left", offset * (o.layer + 1));
+
+            if (o.showLine) {
+                this.popupView.element.css("margin-left", -offset * (o.layer + 1));
+                this.element.css("margin-left", offset * (o.layer + 1));
+            }
 
             return {
                 type: "bi.vertical",
-                cls: !o.isLastNode ? (BI.STYLE_CONSTANTS.LINK_LINE_TYPE === "solid" ? "line solid" : "line") : "",
+                cls: (o.showLine && !o.isLastNode) ? (BI.STYLE_CONSTANTS.LINK_LINE_TYPE === "solid" ? "line solid" : "line") : "",
                 scrolly: null,
                 items: [
                     this.popupView,