diff --git a/ViperBTests/ViperQtProject/App/main.vp b/ViperBTests/ViperQtProject/App/main.vp
index 090202c..662b055 100644
--- a/ViperBTests/ViperQtProject/App/main.vp
+++ b/ViperBTests/ViperQtProject/App/main.vp
@@ -5,7 +5,7 @@
 #   → 步骤3 安装选项 → 步骤4 安装进度 → 步骤5 完成
 #
 # 完善功能：
-#   - 许可协议页：多份协议文件（QComboBox 切换）+ "我接受" 勾选后才可继续
+#   - 许可协议页：4 份协议逐份查看、逐份勾选同意（下一步才放下一份，不可跳过）
 #   - 组件选择：QTreeWidget 树状图分组 + 勾选实时统计（数量 / 磁盘占用）
 #   - 安装选项（独立页）：发布渠道 QComboBox + 安装目录 + 快捷方式/PATH/桌面图标
 #   - 安装进度：进度条 + 阶段文案 + 实时日志（QPlainTextEdit）
@@ -42,7 +42,7 @@ finish_summary_ptr: t.CPtr = None
 timer_ptr: t.CPtr = None
 tree_ptr: t.CPtr = None
 license_box_ptr: t.CPtr = None
-license_sel_ptr: t.CPtr = None
+eula_name_ptr: t.CPtr = None
 agree_cb_ptr: t.CPtr = None
 license_next_ptr: t.CPtr = None
 channel_ptr: t.CPtr = None
@@ -57,6 +57,8 @@ progress_val: int = 0
 comp_count: int = 0
 install_path: str = "C:/Program Files/Viper6"
 channel_name: str = "稳定版（Stable）"
+eula_idx: int = 0
+eula_agreed: int = 0
 
 
 # ============================================================
@@ -81,6 +83,12 @@ privacy_text: str = "隐私政策\n\n本安装向导为本地演示程序，在
 
 credits_text: str = "商标与版权声明\n\nViper、Viper 徽标与相关名称是 Viper Software Foundation 及其关联方的商标。\n\n本演示程序界面设计参考了行业通用安装向导的交互范式，仅用于功能与技术展示，不构成对任何第三方安装程序视觉风格的授权主张。\n\n本软件版权归 Viper Software Foundation 所有，保留一切权利。\n\n版本信息：Viper 6.0.1 · 2026"
 
+# EULA 文档名（显示序号用）
+doc_name0: str = "Viper 6.0 最终用户许可协议"
+doc_name1: str = "第三方开源组件许可声明"
+doc_name2: str = "隐私政策"
+doc_name3: str = "商标与版权声明"
+
 # 发布渠道文本
 channel_stable: str = "稳定版（Stable）"
 channel_preview: str = "预览版（Preview）"
@@ -113,30 +121,68 @@ def GotoStep(step: int):
 # 步骤0：欢迎页
 # ============================================================
 def OnNext(slot_id: int, data: t.CPtr):
+    EnterEulaPage()
     GotoStep(1)
 
 
 # ============================================================
-# 步骤1：许可协议
+# 步骤1：许可协议（逐份查看 + 逐份同意）
 # ============================================================
-def OnLicenseDocChanged(slot_id: int, data: t.CPtr):
-    """QComboBox 切换多份协议文件"""
-    idx: int = vqt6.vqt6_qcombobox_current_index(license_sel_ptr)
+def ShowEulaDoc(idx: int):
+    """显示第 idx 份协议，并回填该协议的已同意状态"""
     txt: str = license_text
-    if idx == 1: txt = oss_text
-    elif idx == 2: txt = privacy_text
-    elif idx == 3: txt = credits_text
+    name: str = doc_name0
+    if idx == 1:
+        txt = oss_text
+        name = doc_name1
+    elif idx == 2:
+        txt = privacy_text
+        name = doc_name2
+    elif idx == 3:
+        txt = credits_text
+        name = doc_name3
+    # 标题（x/4 · 协议名）
+    buf: bytes = stdlib.malloc(128)
+    viperlib.snprintf(buf, 128, "%d/4 · %s", idx + 1, name)
+    vqt6.vqt6_qlabel_set_text_utf8(eula_name_ptr, buf)
+    stdlib.free(buf)
+    # 正文
     vqt6.vqt6_qplaintextedit_set_plain_text_utf8(license_box_ptr, txt)
+    # 回填该协议已同意状态
+    agreed: int = (eula_agreed >> idx) & 1
+    vqt6.vqt6_qcheckbox_set_checked(agree_cb_ptr, agreed)
+    vqt6.vqt6_qwidget_set_enabled(license_next_ptr, agreed)
+
+
+def EnterEulaPage():
+    """进入许可页：全部已同意则停在末份，否则续接当前进度"""
+    global eula_idx
+    if eula_agreed == 15:
+        ShowEulaDoc(3)
+    else:
+        ShowEulaDoc(eula_idx)
 
 
 def OnLicenseToggled(slot_id: int, data: t.CPtr):
-    """勾选"我接受"后启用下一步"""
+    """勾选当前协议后才允许下一步"""
     checked: int = vqt6.vqt6_qcheckbox_is_checked(agree_cb_ptr)
     vqt6.vqt6_qwidget_set_enabled(license_next_ptr, checked)
 
 
 def OnLicenseNext(slot_id: int, data: t.CPtr):
-    GotoStep(2)
+    """逐份同意：点下一步才放下一份；末份同意后进入组件选择"""
+    global eula_idx, eula_agreed
+    idx: int = eula_idx
+    if idx < 0 or idx > 3:
+        GotoStep(2)
+        return
+    if vqt6.vqt6_qcheckbox_is_checked(agree_cb_ptr) != 0:
+        eula_agreed = eula_agreed | (1 << idx)
+    if idx >= 3:
+        GotoStep(2)
+    else:
+        eula_idx = idx + 1
+        ShowEulaDoc(eula_idx)
 
 
 def OnLicenseBack(slot_id: int, data: t.CPtr):
@@ -147,6 +193,7 @@ def OnLicenseBack(slot_id: int, data: t.CPtr):
 # 步骤2：组件选择（树状图）
 # ============================================================
 def OnBack(slot_id: int, data: t.CPtr):
+    EnterEulaPage()
     GotoStep(1)
 
 
@@ -175,11 +222,6 @@ def OnCompToggled(slot_id: int, data: t.CPtr):
     UpdateCompInfo()
 
 
-def OnTreeItemClicked(slot_id: int, data: t.CPtr):
-    """点击带子节点的行 → 展开/折叠"""
-    vqt6.qtree_click_toggle(tree_ptr)
-
-
 # ============================================================
 # 步骤3：安装选项（独立页）
 # ============================================================
@@ -260,7 +302,7 @@ def main() -> int:
     global nav0_ptr, nav1_ptr, nav2_ptr, nav3_ptr, nav4_ptr, nav5_ptr
     global progress_ptr, progress_status_ptr, log_ptr, path_label_ptr
     global summary_ptr, disk_ptr, finish_summary_ptr, timer_ptr
-    global tree_ptr, license_box_ptr, license_sel_ptr
+    global tree_ptr, license_box_ptr, eula_name_ptr
     global agree_cb_ptr, license_next_ptr, install_btn_ptr
     global channel_ptr, opt0_ptr, opt1_ptr, opt2_ptr
 
@@ -358,7 +400,7 @@ def main() -> int:
 
     stack.addWidget(page0._ptr)
 
-    # ---------- 页1：许可协议（多文件） ----------
+    # ---------- 页1：许可协议（逐份同意） ----------
     page1 = vqt6.QWidget()
     p1 = vqt6.QVBoxLayout(page1)
     p1.setContentsMargins(36, 32, 36, 24)
@@ -368,19 +410,10 @@ def main() -> int:
     vqt6.vqt6_qwidget_set_stylesheet_utf8(lh._ptr, "font-size: 22px; color: #ffffff; font-weight: bold;")
     p1.addWidget(lh._ptr)
 
-    doc_row = vqt6.QHBoxLayout()
-    p1.addLayout(doc_row._ptr)
-    doc_lb = vqt6.QLabel("协议文件:")
-    doc_row.addWidget(doc_lb._ptr)
-    lic_sel = vqt6.QComboBox()
-    lic_sel.addItem("Viper 6.0 最终用户许可协议")
-    lic_sel.addItem("第三方开源组件许可声明")
-    lic_sel.addItem("隐私政策")
-    lic_sel.addItem("商标与版权声明")
-    doc_row.addWidget(lic_sel._ptr)
-    doc_row.addStretch(1)
-    license_sel_ptr = t.CPtr(lic_sel._ptr)
-    lic_sel.currentIndexChanged(OnLicenseDocChanged, 0)
+    eula_name = vqt6.QLabel("1/4 · Viper 6.0 最终用户许可协议")
+    vqt6.vqt6_qwidget_set_stylesheet_utf8(eula_name._ptr, "font-size: 13px; color: #9cdcfe;")
+    p1.addWidget(eula_name._ptr)
+    eula_name_ptr = t.CPtr(eula_name._ptr)
 
     license_box = vqt6.QPlainTextEdit()
     license_box.setPlainText(license_text)
@@ -388,7 +421,7 @@ def main() -> int:
     p1.addWidget(license_box._ptr)
     license_box_ptr = t.CPtr(license_box._ptr)
 
-    agree_cb = vqt6.QCheckBox("我接受许可协议中的条款")
+    agree_cb = vqt6.QCheckBox("我接受上述协议条款")
     p1.addWidget(agree_cb._ptr)
     agree_cb_ptr = t.CPtr(agree_cb._ptr)
     agree_cb.toggled(OnLicenseToggled, 0)
@@ -463,7 +496,6 @@ def main() -> int:
 
     tree.expandAll()
     tree.itemChanged(OnCompToggled, 0)
-    tree.itemClicked(OnTreeItemClicked, 0)
 
     summary = vqt6.QLabel("已选择 3 个组件")
     vqt6.vqt6_qwidget_set_stylesheet_utf8(summary._ptr, "font-size: 13px; color: #9cdcfe;")
@@ -475,8 +507,6 @@ def main() -> int:
     p2.addWidget(disk._ptr)
     disk_ptr = t.CPtr(disk._ptr)
 
-    p2.addStretch(1)
-
     btn_row2 = vqt6.QHBoxLayout()
     p2.addLayout(btn_row2._ptr)
     btn_row2.addStretch(1)