diff --git a/src/views/DashboardView.vue b/src/views/DashboardView.vue
index efa0dc6..ae88255 100644
--- a/src/views/DashboardView.vue
+++ b/src/views/DashboardView.vue
@@ -110,16 +110,8 @@
             :model-data="currentModelData"
             @page-change="handlePageChange"
           />
-          <PdmsModelViewer
-            v-else-if="currentConnectedSoftware === 'pdms'"
-          />
-          <CreoModelAnalysis
-            v-else
-            @show-shell-analysis-result="handleShowShellAnalysisResult"
-            @show-hierarchy-analysis-result="handleShowHierarchyAnalysisResult"
-            @show-geometry-complexity-result="handleShowGeometryComplexityResult"
-            @show-geometry-optimization-params="handleShowGeometryOptimizationParams"
-          />
+          <div v-else-if="currentConnectedSoftware === 'pdms'" class="no-connection">PDMS分析功能开发中</div>
+          <div v-else class="no-connection">请先连接CAD软件</div>
         </div>
 
         <!-- 导出工具页面 -->
@@ -135,17 +127,17 @@
         </div>
 
         <!-- 模型库页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.MODEL_GALLERY" class="page-content">
+        <div v-show="currentPage === PAGE_TYPES.MODEL_GALLERY" class="page-content">
           <ModelGalleryPage />
         </div>
 
         <!-- 智能薄壳化分析结果页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.SHELL_ANALYSIS_RESULT" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.SHELL_ANALYSIS_RESULT" class="page-content">
           <ShellAnalysisResult :analysis-data="shellAnalysisData" />
         </div>
 
         <!-- 按层级删除优化分析结果页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.HIERARCHY_ANALYSIS_RESULT" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.HIERARCHY_ANALYSIS_RESULT" class="page-content">
           <HierarchyAnalysisResult
             :analysis-data="hierarchyAnalysisData"
             @show-hierarchy-deletion-params="handleShowHierarchyDeletionParams"
@@ -153,7 +145,7 @@
         </div>
 
         <!-- 层级删除参数设置页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.HIERARCHY_DELETION_PARAMS" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.HIERARCHY_DELETION_PARAMS" class="page-content">
           <HierarchyDeletionParamsPage
             :hierarchy-data="hierarchyAnalysisData"
             @close="handleCloseHierarchyDeletionParams"
@@ -161,12 +153,12 @@
         </div>
 
         <!-- 几何复杂度分析结果页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.GEOMETRY_COMPLEXITY_RESULT" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.GEOMETRY_COMPLEXITY_RESULT" class="page-content">
           <GeometryComplexityResult :analysis-data="geometryComplexityData" />
         </div>
 
         <!-- 几何优化分析参数设置页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.GEOMETRY_OPTIMIZATION_PARAMS" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.GEOMETRY_OPTIMIZATION_PARAMS" class="page-content">
           <GeometryOptimizationParams
             @close="handleBackToAnalysis"
             @start-optimization="handleGeometryOptimizationComplete"
@@ -174,7 +166,7 @@
         </div>
 
         <!-- 几何优化分析结果页面 -->
-        <div v-else-if="currentPage === PAGE_TYPES.GEOMETRY_OPTIMIZATION_RESULT" class="page-content">
+        <div v-if="currentPage === PAGE_TYPES.GEOMETRY_OPTIMIZATION_RESULT" class="page-content">
           <GeometryOptimizationResult
             :result-data="geometryOptimizationResultData"
             @back-to-analysis="handleBackToAnalysis"
@@ -184,13 +176,6 @@
         <!-- 欢迎首页 -->
         <div v-else class="page-content">
           <div class="welcome-page">
-            <!-- 项目描述 -->
-            <div class="project-description">
-              <p>
-                MianyVue是一个专业的工业CAD模型管理平台，致力于为工程师和设计师提供统一的CAD软件集成解决方案。平台通过标准化的API接口连接主流CAD软件，实现跨平台的模型管理、分析和优化功能，显著提升工业设计和制造流程的效率与协作能力。
-              </p>
-            </div>
-
             <!-- 核心能力 -->
             <div class="feature-section">
               <h3 class="section-title">
@@ -656,19 +641,6 @@ const closeInfoPanel = () => {
   line-height: 1.6;
 }
 
-.project-description {
-  text-align: center;
-  margin-bottom: 20px;
-}
-
-.project-description p {
-  font-size: 16px;
-  color: var(--color-text-secondary);
-  line-height: 1.8;
-  margin: 0;
-  padding: 0 20px;
-}
-
 .section-title {
   display: flex;
   align-items: center;