feat: HashPay 回调支持根路径 POST /

backend/internal/api/routes/routes.go

@@ -33,10 +33,21 @@ func SetupRoutes(r *gin.Engine) {
 
 	r.Static("/uploads", "./uploads")
 	r.Static("/assets", "./static/assets")
-	r.StaticFile("/", "./static/index.html")
 	r.StaticFile("/favicon.svg", "./static/favicon.svg")
 	r.StaticFile("/icons.svg", "./static/icons.svg")
 
+	// HashPay 回调 - 放在 NoRoute 之前，优先匹配
+	r.OPTIONS("/", func(c *gin.Context) {
+		c.Header("Access-Control-Allow-Origin", "*")
+		c.Header("Access-Control-Allow-Methods", "POST, OPTIONS")
+		c.Header("Access-Control-Allow-Headers", "Content-Type")
+		c.String(200, "ok")
+	})
+	r.POST("/", paymentHandler.HashPayNotify)
+
+	r.GET("/", func(c *gin.Context) {
+		c.File("./static/index.html")
+	})
 	r.NoRoute(func(c *gin.Context) {
 		c.File("./static/index.html")
 	})