diff --git a/internal/handler/admin.go b/internal/handler/admin.go
new file mode 100644
index 0000000..d6fa6d0
--- /dev/null
+++ b/internal/handler/admin.go
@@ -0,0 +1,44 @@
+package handler
+
+import (
+	"gotest/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// AdminHandler 管理员处理器
+type AdminHandler struct {
+	adminService *service.AdminService
+}
+
+// NewAdminHandler 创建管理员处理器
+func NewAdminHandler(adminService *service.AdminService) *AdminHandler {
+	return &AdminHandler{adminService: adminService}
+}
+
+// CheckAdmin 检查管理员是否已存在 GET /api/v1/admin/check
+func (h *AdminHandler) CheckAdmin(c *gin.Context) {
+	exists, err := h.adminService.CheckAdmin()
+	if err != nil {
+		FailInternal(c, "检查失败")
+		return
+	}
+	Success(c, gin.H{"initialized": exists})
+}
+
+// InitAdmin 初始化管理员账号 POST /api/v1/admin/init
+func (h *AdminHandler) InitAdmin(c *gin.Context) {
+	var req struct {
+		Username string `json:"username" binding:"required"`
+		Password string `json:"password" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		FailBadRequest(c, "用户名和密码不能为空")
+		return
+	}
+	if err := h.adminService.InitAdmin(req.Username, req.Password); err != nil {
+		FailBadRequest(c, err.Error())
+		return
+	}
+	SuccessMsg(c, "初始化成功")
+}