diff --git a/viewpanel/src/com/spineview/ObjectPanel.java b/viewpanel/src/com/spineview/ObjectPanel.java
index e8adfd7..ec5e94e 100644
--- a/viewpanel/src/com/spineview/ObjectPanel.java
+++ b/viewpanel/src/com/spineview/ObjectPanel.java
@@ -49,6 +49,11 @@ public final class ObjectPanel {
     java.util.List<Object[]> inspectFields = new ArrayList<Object[]>();
     List<Object> objects = new ArrayList<Object>();
     Object target;
+    Class<?> tableClass;
+    Class<?> scrollClass;
+    Class<?> actorClass;
+    Class<?> cellClass;
+    Object listCell;                // 承载列表 ScrollPane 的单元格
   }
 
   /**
@@ -66,6 +71,10 @@ public final class ObjectPanel {
     Class<?> skinClass = Class.forName("com.badlogic.gdx.scenes.scene2d.ui.Skin", true, loader);
     Class<?> fieldClass = Class.forName("com.badlogic.gdx.scenes.scene2d.ui.TextField", true, loader);
 
+    state.tableClass = tableClass;
+    state.scrollClass = scrollClass;
+    state.actorClass = actorClass;
+    state.cellClass = cellClass;
     Object root = tableClass.getConstructor().newInstance();
     Object rows = tableClass.getConstructor().newInstance();
     call(rows, Obf.TABLE_TOP, new Class<?>[0], tableClass);
@@ -116,6 +125,7 @@ public final class ObjectPanel {
     // 唯一 expand+fill 的单元格：内容区（上面是列表/Inspector，最下面是日志块，同一个滚动区）
     cell = call(root, Obf.TABLE_ADD, new Class<?>[] {actorClass}, cellClass, scroll);
     layoutCell(cell, Obf.CELL_TOP, Obf.CELL_EXPAND, Obf.CELL_FILL);
+    state.listCell = cell;
 
     wire(loader, refresh, new Runnable() {
       @Override
@@ -272,8 +282,7 @@ public final class ObjectPanel {
         state.objects = objects;
         try {
           // Table.clearChildren()（载荷名 `SourceFile()V`）：把列表里的行全清掉重建。
-          call(state.listTable, Obf.TABLE_CLEAR_CHILDREN, new Class<?>[0], void.class);
-          state.logBlockStarted = false;
+          beginRender(state);
           Class<?> cellClass = Class.forName(Obf.CELL, true, state.loader);
           Class<?> actorClass = Class.forName(Obf.ACTOR, true, state.loader);
           for (int i = 0; i < objects.size() && i < 300; i++) {
@@ -508,6 +517,29 @@ public final class ObjectPanel {
    * 否则 ScrollPane 里缓存的高度还是旧的，表现为"内容多了却不能滚"。
    * `b_()V` = `invalidate()`（来源：MapMethods 对 gdx-1.11.0 的指纹比对）。
    */
+  /**
+   * 每次渲染都换一套**全新的 Table + ScrollPane**，塞回同一个单元格。
+   *
+   * 为什么必须换：ScrollPane 只在 layout 时量一次里面 widget 的高度，我们之后往 widget 里
+   * 加/删行，它记的高度还是旧的 —— maxY 一直是 0，滚轮就滚不动（你看到的现象）。
+   * 换一个新的 ScrollPane 最省事也最稳（只做这一件事，不改任何别的行为）。
+   */
+  private static void beginRender(State state) throws Exception {
+    Object table = state.tableClass.getConstructor().newInstance();
+    call(table, Obf.TABLE_TOP, new Class<?>[0], state.tableClass);
+    call(table, Obf.TABLE_LEFT, new Class<?>[0], state.tableClass);
+    Class<?> skinClass = Class.forName("com.badlogic.gdx.scenes.scene2d.ui.Skin", true, state.loader);
+    Object scroll = state.scrollClass.getConstructor(state.actorClass, skinClass)
+        .newInstance(table, state.skin);
+    state.listTable = table;
+    state.listScroll = scroll;
+    if (state.listCell != null) {
+      // Cell.setActor(Actor)：把旧 ScrollPane 换成新的
+      call(state.listCell, "D", new Class<?>[] {state.actorClass}, state.cellClass, scroll);
+    }
+    state.logBlockStarted = false;
+  }
+
   private static void invalidateList(final State state) {
     try {
       call(state.listTable, "b_", new Class<?>[0], void.class);
@@ -528,8 +560,7 @@ public final class ObjectPanel {
   private static void fillRows(final State state, List<String> lines,
       java.util.Map<Integer, Object[]> clickable) {
     try {
-      call(state.listTable, Obf.TABLE_CLEAR_CHILDREN, new Class<?>[0], void.class);
-      state.logBlockStarted = false;
+      beginRender(state);
       Class<?> cellClass = Class.forName(Obf.CELL, true, state.loader);
       Class<?> actorClass = Class.forName(Obf.ACTOR, true, state.loader);
       for (int i = 0; i < lines.size(); i++) {
@@ -586,8 +617,7 @@ public final class ObjectPanel {
   /** 用纯文本行填列表区（行不可点）。 */
   private static void fillTextRows(final State state, List<String> lines) {
     try {
-      call(state.listTable, Obf.TABLE_CLEAR_CHILDREN, new Class<?>[0], void.class);
-      state.logBlockStarted = false;
+      beginRender(state);
       Class<?> cellClass = Class.forName(Obf.CELL, true, state.loader);
       Class<?> actorClass = Class.forName(Obf.ACTOR, true, state.loader);
       for (String line : lines) {