diff --git a/internal/app/app.go b/internal/app/app.go
index cbabb619..34caccff 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -746,7 +746,11 @@ func setupRoutes(
 
 	// 前端页面
 	router.GET("/", func(c *gin.Context) {
-		c.HTML(http.StatusOK, "index.html", nil)
+		version := app.config.Version
+		if version == "" {
+			version = "v1.0.0"
+		}
+		c.HTML(http.StatusOK, "index.html", gin.H{"Version": version})
 	})
 }
 
diff --git a/internal/config/config.go b/internal/config/config.go
index 8d37e9eb..4ecbcd9a 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -13,6 +13,7 @@ import (
 )
 
 type Config struct {
+	Version     string                `yaml:"version,omitempty" json:"version,omitempty"` // 前端显示的版本号，如 v1.3.3
 	Server      ServerConfig          `yaml:"server"`
 	Log         LogConfig             `yaml:"log"`
 	MCP         MCPConfig             `yaml:"mcp"`
diff --git a/web/static/css/style.css b/web/static/css/style.css
index 728aed57..f433429b 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -499,6 +499,17 @@ header {
     opacity: 0.85;
 }
 
+.version-badge {
+    display: inline-block;
+    margin-left: 6px;
+    font-size: 0.6875rem;
+    font-weight: 400;
+    color: var(--text-muted);
+    letter-spacing: 0.02em;
+    vertical-align: 0.35em;
+    user-select: none;
+}
+
 .header-right {
     display: flex;
     align-items: center;
diff --git a/web/templates/index.html b/web/templates/index.html
index 61d5d383..77e4bc7a 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -32,9 +32,9 @@
                 <div class="logo header-logo-link" onclick="switchPage('dashboard')" role="button" title="返回仪表盘">
                     <img src="/static/logo.png" alt="CyberStrikeAI Logo" style="width: 32px; height: 32px; margin-right: 8px;">
                     <h1>CyberStrikeAI</h1>
+                    <span class="version-badge" title="当前版本">{{.Version}}</span>
                 </div>
                 <div class="header-right">
-                    <p class="header-subtitle">AI 驱动的自动化安全测试平台</p>
                     <div class="header-actions">
                         <button class="openapi-doc-btn" onclick="window.open('/api-docs', '_blank')" title="OpenAPI 文档">
                             <span>API 文档</span>