diff --git a/viewer/股权架构查看器.html b/viewer/股权架构查看器.html
index 6b2981d..807fd62 100644
--- a/viewer/股权架构查看器.html
+++ b/viewer/股权架构查看器.html
@@ -135,8 +135,20 @@ var baseOption = {
     top:'4%', bottom:'4%', left:'2%', right:'2%',
     symbol:'circle', symbolSize:7,
     initialTreeDepth:1, expandAndCollapse:true, roam:true,
-    label:{ position:'bottom', fontSize:11, color:'#333', formatter:'{b}', distance:4 },
-    leaves:{ label:{ position:'bottom', fontSize:11, color:'#333' } },
+    label:{ position:'bottom', fontSize:11, color:'#333',
+      formatter:function(p){
+        var nm = p.data ? p.data.name : '';
+        var rt = p.data && p.data.ratio;
+        if (rt != null && rt > 0) return nm + ' (' + Math.round(rt*100) + '%)';
+        return nm;
+      }, distance:4 },
+    leaves:{ label:{ position:'bottom', fontSize:11, color:'#333',
+      formatter:function(p){
+        var nm = p.data ? p.data.name : '';
+        var rt = p.data && p.data.ratio;
+        if (rt != null && rt > 0) return nm + ' (' + Math.round(rt*100) + '%)';
+        return nm;
+      } } },
     emphasis:{ focus:'descendant' },
     edgeShape:'polyline',
     lineStyle:{ color:'#999', width:1.2, curveness:0 },
@@ -157,7 +169,19 @@ function setZoom(z) {
 }
 document.getElementById('btnZoomIn').onclick = function(){ setZoom(zoom * 1.25); };
 document.getElementById('btnZoomOut').onclick = function(){ setZoom(zoom / 1.25); };
-document.getElementById('btnReset').onclick = function(){ zoom = 1.0; applySize(); showTip('已重置视图'); };
+document.getElementById('btnReset').onclick = function(){
+  zoom = 1.0;
+  chart.setOption({ series:[{ data: [rootNode], initialTreeDepth:1,
+    label:{ position:'bottom', fontSize:11, color:'#333',
+      formatter:function(p){
+        var nm = p.data ? p.data.name : '';
+        var rt = p.data && p.data.ratio;
+        if (rt != null && rt > 0) return nm + ' (' + Math.round(rt*100) + '%)';
+        return nm;
+      }, distance:4 } }] });
+  applySize();
+  showTip('已重置视图');
+};
 
 function collectParents(n, arr) {
   if (n.children && n.children.length) { arr.push(n.name); n.children.forEach(function(c){ collectParents(c, arr); }); }
@@ -263,9 +287,30 @@ clearBtn.onclick = function(){
   chart.setOption({ series:[{ data: [rootNode], initialTreeDepth:1, label:{formatter:'{b}', rich:{}} }] });
 };
 
+// 点击节点 → 放大显示整条股权路径（剪枝 + 自动 fit）
 chart.on('click', function(p){
-  if (p.data && p.data.children && p.data.children.length) {
-    showTip('「'+p.data.name+'」共 ' + p.data.children.length + ' 家子公司');
+  if (!p.data || !p.data.name) return;
+  var nm = p.data.name;
+  var path = findPath(nm, rootNode, []);
+  if (path && path.length) {
+    var pruned = prunePath(nm);
+    if (pruned) {
+      chart.setOption({
+        series: [{
+          data: pruned,
+          initialTreeDepth: 99,
+          label: {
+            formatter: function(p2){
+              var n2 = p2.data ? p2.data.name : '';
+              var rt = p2.data && p2.data.ratio;
+              if (rt != null && rt > 0) return n2 + ' (' + Math.round(rt*100) + '%)';
+              return n2;
+            }
+          }
+        }]
+      });
+      showTip('已放大显示「'+nm+'」的完整股权线路，点击🔄重置或搜索框清除返回全貌');
+    }
   }
 });
 </script>