diff --git a/viewpanel/src/com/spineview/ObjectPanel.java b/viewpanel/src/com/spineview/ObjectPanel.java
index 6c1c7c9..3603c4b 100644
--- a/viewpanel/src/com/spineview/ObjectPanel.java
+++ b/viewpanel/src/com/spineview/ObjectPanel.java
@@ -51,6 +51,7 @@ public final class ObjectPanel {
     Object target;
     Object root;
     Object content;
+    Object buttons;
     boolean scrollFocusLogged;
     boolean geometryDumped;
     Class<?> tableClass;
@@ -151,6 +152,7 @@ public final class ObjectPanel {
       System.err.println("[panel] 设置中段高度失败: " + error);
     }
     state.listCell = cell;
+    state.buttons = buttons;
     call(root, Obf.TABLE_ROW, new Class<?>[0], cellClass);
     Object logCell = call(root, Obf.TABLE_ADD, new Class<?>[] {actorClass}, cellClass, state.status);
     // 下段 = 日志：只占它需要的高度（1~6 行），贴在面板最下面
@@ -213,6 +215,47 @@ public final class ObjectPanel {
     } catch (Throwable error) {
       System.err.println("[panel] 开启描边失败: " + error);
     }
+    // 中段高度 = **父容器（停靠框）高度** − 按钮段 − 日志段（不用 expand）。
+    // 父容器：根表格的 getParent()（载荷里是"无参、返回 Actor/Group 类型"的那个方法）。
+    Thread fit = new Thread(new Runnable() {
+      @Override
+      public void run() {
+        try {
+          Object parent = null;
+          for (Method m : state.root.getClass().getMethods()) {
+            if (m.getParameterTypes().length != 0) continue;
+            String ret = m.getReturnType().getName();
+            if (!ret.equals(Obf.ACTOR) && !ret.equals(Obf.GROUP)) continue;
+            m.setAccessible(true);
+            Object value = m.invoke(state.root);
+            if (value != null) {
+              parent = value;
+              System.err.println("[panel] 面板父容器 = " + value.getClass().getName()
+                  + " via " + m.getDeclaringClass().getName() + "." + m.getName());
+              break;
+            }
+          }
+          for (int pass = 0; pass < 3; pass++) {
+            Thread.sleep(500);
+            float dockHeight = parent == null ? floatOf(state.root, "init") : floatOf(parent, "init");
+            float buttonsHeight = floatOf(state.buttons, "init");
+            float logHeight = floatOf(state.status, "init");
+            float middle = dockHeight - buttonsHeight - logHeight - 12f;
+            if (middle < 120f) middle = 120f;
+            call(state.listCell, "I", new Class<?>[] {float.class}, state.cellClass,
+                Float.valueOf(middle));
+            call(state.root, "b_", new Class<?>[0], void.class);
+            call(state.listScroll, "b_", new Class<?>[0], void.class);
+            System.err.println("[panel] pass" + pass + " dock=" + dockHeight + " buttons="
+                + buttonsHeight + " log=" + logHeight + " -> middle=" + middle);
+          }
+        } catch (Throwable error) {
+          System.err.println("[panel] 自适应中段高度失败: " + error);
+        }
+      }
+    }, "spineview-fit-middle");
+    fit.setDaemon(true);
+    fit.start();
     System.err.println("[panel] 增删改查面板已建好");
     refreshList(state);
     return root;