diff --git a/Bin/Config/Lang/cn/nmNum_cn.qm b/Bin/Config/Lang/cn/nmNum_cn.qm
index 75bee651..08e3a20f 100644
Binary files a/Bin/Config/Lang/cn/nmNum_cn.qm and b/Bin/Config/Lang/cn/nmNum_cn.qm differ
diff --git a/Bin/Config/Lang/cn/nmNum_cn.ts b/Bin/Config/Lang/cn/nmNum_cn.ts
index 513cea33..07006ac0 100644
--- a/Bin/Config/Lang/cn/nmNum_cn.ts
+++ b/Bin/Config/Lang/cn/nmNum_cn.ts
@@ -2836,7 +2836,7 @@ Reason: %1</source>
     <message><source>Result playback is unavailable.</source><translation>结果回放不可用。</translation></message>
     <message><source>The selected result property is unavailable.</source><translation>所选结果属性不可用。</translation></message>
     <message><source>The selected result frame is unavailable.</source><translation>所选结果帧不可用。</translation></message>
-    <message><source>Playback speed must be between 1 and 60 steps per second.</source><translation>回放速度必须介于每秒 1 到 60 步之间。</translation></message>
+    <message><source>Playback speed must be a positive integer.</source><translation>播放速度必须为正整数。</translation></message>
 </context>
 <context>
     <name>nmWxPebiResultControlBar</name>
diff --git a/Include/nmNum/nmSubWxs/nmPebiResultPlaybackController.h b/Include/nmNum/nmSubWxs/nmPebiResultPlaybackController.h
index 771a4552..09f2f25c 100644
--- a/Include/nmNum/nmSubWxs/nmPebiResultPlaybackController.h
+++ b/Include/nmNum/nmSubWxs/nmPebiResultPlaybackController.h
@@ -22,11 +22,10 @@ class NM_SUB_WXS_EXPORT nmPebiResultPlaybackController : public QObject
     Q_OBJECT
 
 public:
-    /** @brief 回放速度的合法下限、上限和窗口默认值，单位均为步/秒。 */
+    /** @brief 回放速度的合法下限和窗口默认值，单位均为步/秒。 */
     enum
     {
         MinimumPlaybackSpeed = 1,
-        MaximumPlaybackSpeed = 60,
         DefaultPlaybackSpeed = 5
     };
 
diff --git a/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.h b/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.h
index 7409e9aa..6888c76b 100644
--- a/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.h
+++ b/Include/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.h
@@ -6,6 +6,7 @@
 #include <QDialog>
 
 class QCheckBox;
+class QShowEvent;
 class QSpinBox;
 
 /**
@@ -22,7 +23,7 @@ class NM_SUB_WXS_EXPORT nmWxPebiResultAnimationSettingsDlg
 public:
     /**
      * @brief 使用当前窗口偏好初始化临时编辑值。
-     * @param nStepsPerSecond 初始速度，防御性限制到 1～60 步/秒。
+     * @param nStepsPerSecond 初始速度，防御性限制为正整数步/秒。
      * @param bLoopEnabled 初始循环开关。
      * @param pParent 所属窗口，用于 Qt 对象树和模态定位。
      */
@@ -38,10 +39,14 @@ public:
     /** @brief 返回尚未提交的循环播放选择。 */
     bool isLoopEnabled() const;
 
+protected:
+    /** @brief 显示后聚焦并延迟全选当前速度，便于直接覆盖输入。 */
+    virtual void showEvent(QShowEvent* pEvent);
+
 private:
     Q_DISABLE_COPY(nmWxPebiResultAnimationSettingsDlg)
 
-    /** @brief 限制在 1～60 步/秒的速度输入框。 */
+    /** @brief 限制为正整数步/秒的速度输入框。 */
     QSpinBox* m_pSpeedSpin;
     /** @brief 是否在末帧之后回到第 0 帧。 */
     QCheckBox* m_pLoopCheck;
diff --git a/Src/nmNum/nmSubWxs/nmPebiResultPlaybackController.cpp b/Src/nmNum/nmSubWxs/nmPebiResultPlaybackController.cpp
index 427bbb35..9365579d 100644
--- a/Src/nmNum/nmSubWxs/nmPebiResultPlaybackController.cpp
+++ b/Src/nmNum/nmSubWxs/nmPebiResultPlaybackController.cpp
@@ -20,7 +20,7 @@ static const char* const s_pPlaybackTranslationMarkers[] =
     QT_TRANSLATE_NOOP("nmPebiResultPlaybackController",
                       "The selected result frame is unavailable."),
     QT_TRANSLATE_NOOP("nmPebiResultPlaybackController",
-                      "Playback speed must be between 1 and 60 steps per second.")
+                      "Playback speed must be a positive integer.")
 };
 
 QString playbackText(const char* pText)
@@ -244,11 +244,10 @@ bool nmPebiResultPlaybackController::setPlaybackSettings(
         int nStepsPerSecond,
         bool bLoopEnabled)
 {
-    if(nStepsPerSecond < MinimumPlaybackSpeed ||
-       nStepsPerSecond > MaximumPlaybackSpeed) {
+    if(nStepsPerSecond < MinimumPlaybackSpeed) {
         // 公开接口不能依赖设置对话框兜底；非法参数也执行统一失败收尾。
         return finishFailedOperation(playbackText(
-                    "Playback speed must be between 1 and 60 steps per second."));
+                    "Playback speed must be a positive integer."));
     }
     if(m_nStepsPerSecond == nStepsPerSecond &&
        m_bLoopEnabled == bLoopEnabled) {
diff --git a/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.cpp b/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.cpp
index 222ec490..47b55c38 100644
--- a/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.cpp
+++ b/Src/nmNum/nmSubWxs/nmWxPebiResultAnimationSettingsDlg.cpp
@@ -3,12 +3,32 @@
 #include "nmPebiResultPlaybackController.h"
 
 #include <QCheckBox>
+#include <QCoreApplication>
 #include <QDialogButtonBox>
 #include <QFormLayout>
+#include <QIcon>
+#include <QLayout>
+#include <QPushButton>
+#include <QShowEvent>
+#include <QSize>
 #include <QSpinBox>
+#include <QTimer>
 #include <QVBoxLayout>
 #include <QtGlobal>
 
+#include <limits.h>
+
+namespace {
+
+QString resultAnimationIconPath(const QString& sFileName)
+{
+    const QString sApplicationDir = QCoreApplication::applicationDirPath();
+    return sApplicationDir.section('/', 0, -2) +
+            "/Res/Icon/" + sFileName;
+}
+
+}
+
 nmWxPebiResultAnimationSettingsDlg::
 nmWxPebiResultAnimationSettingsDlg(
         int nStepsPerSecond,
@@ -19,17 +39,16 @@ nmWxPebiResultAnimationSettingsDlg(
       m_pLoopCheck(new QCheckBox(tr("Loop enabled"), this))
 {
     setWindowTitle(tr("Animation settings"));
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
     setModal(true);
 
     m_pSpeedSpin->setRange(
                 nmPebiResultPlaybackController::MinimumPlaybackSpeed,
-                nmPebiResultPlaybackController::MaximumPlaybackSpeed);
-    m_pSpeedSpin->setValue(qBound(
+                INT_MAX);
+    m_pSpeedSpin->setValue(qMax(
                 static_cast<int>(
                     nmPebiResultPlaybackController::MinimumPlaybackSpeed),
-                nStepsPerSecond,
-                static_cast<int>(
-                    nmPebiResultPlaybackController::MaximumPlaybackSpeed)));
+                nStepsPerSecond));
     m_pLoopCheck->setChecked(bLoopEnabled);
 
     QFormLayout* pFormLayout = new QFormLayout();
@@ -39,6 +58,21 @@ nmWxPebiResultAnimationSettingsDlg(
     QDialogButtonBox* pButtonBox = new QDialogButtonBox(
                 QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
                 Qt::Horizontal, this);
+    QPushButton* pOkButton = pButtonBox->button(QDialogButtonBox::Ok);
+    QPushButton* pCancelButton =
+            pButtonBox->button(QDialogButtonBox::Cancel);
+    const QSize oButtonIconSize(16, 16);
+    pOkButton->setIcon(QIcon(resultAnimationIconPath(
+                    QString::fromLatin1("OK.png"))));
+    pCancelButton->setIcon(QIcon(resultAnimationIconPath(
+                    QString::fromLatin1("Cancel.png"))));
+    pOkButton->setIconSize(oButtonIconSize);
+    pCancelButton->setIconSize(oButtonIconSize);
+    pOkButton->setMinimumWidth(72);
+    pCancelButton->setMinimumWidth(72);
+    if(pButtonBox->layout() != nullptr) {
+        pButtonBox->layout()->setSpacing(6);
+    }
     connect(pButtonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(pButtonBox, SIGNAL(rejected()), this, SLOT(reject()));
 
@@ -62,3 +96,10 @@ bool nmWxPebiResultAnimationSettingsDlg::isLoopEnabled() const
 {
     return m_pLoopCheck->isChecked();
 }
+
+void nmWxPebiResultAnimationSettingsDlg::showEvent(QShowEvent* pEvent)
+{
+    QDialog::showEvent(pEvent);
+    m_pSpeedSpin->setFocus(Qt::OtherFocusReason);
+    QTimer::singleShot(0, m_pSpeedSpin, SLOT(selectAll()));
+}