diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaGameExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaGameExtensions.cs
index b69c0e78..7b4a7a89 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaGameExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Extensions/WechatApiClientExecuteWxaGameExtensions.cs
@@ -68,7 +68,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <para>异步调用 [POST] /wxa/game/getbalance 接口。</para>
         /// <para>
         /// REF: <br/>
-        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]>
+        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]> <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/minigame/dev/api-backend/midas-payment-v2/pay_v2.getBalance.html ]]>
         /// </para>
         /// </summary>
         /// <param name="client"></param>
@@ -96,7 +97,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <para>异步调用 [POST] /wxa/game/pay 接口。</para>
         /// <para>
         /// REF: <br/>
-        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]>
+        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]> <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/minigame/dev/api-backend/midas-payment-v2/pay_v2.pay.html ]]>
         /// </para>
         /// </summary>
         /// <param name="client"></param>
@@ -124,7 +126,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <para>异步调用 [POST] /wxa/game/cancelpay 接口。</para>
         /// <para>
         /// REF: <br/>
-        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]>
+        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]> <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/minigame/dev/api-backend/midas-payment-v2/pay_v2.cancelPay.html ]]>
         /// </para>
         /// </summary>
         /// <param name="client"></param>
@@ -152,7 +155,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
         /// <para>异步调用 [POST] /wxa/game/present 接口。</para>
         /// <para>
         /// REF: <br/>
-        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]>
+        /// <![CDATA[ https://docs.qq.com/doc/DVUN0QWJja0J5c2x4 ]]> <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/minigame/dev/api-backend/midas-payment-v2/pay_v2.present.html ]]>
         /// </para>
         /// </summary>
         /// <param name="client"></param>
@@ -175,5 +179,33 @@ namespace SKIT.FlurlHttpClient.Wechat.Api
 
             return await client.SendFlurlRequestAsJsonAsync<Models.WxaGamePresentResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
         }
+
+        /// <summary>
+        /// <para>异步调用 [POST] /wxa/game/queryorderinfo 接口。</para>
+        /// <para>
+        /// REF: <br/>
+        /// <![CDATA[ https://developers.weixin.qq.com/minigame/dev/api-backend/midas-payment-v2/pay_v2.queryOrder.html ]]>
+        /// </para>
+        /// </summary>
+        /// <param name="client"></param>
+        /// <param name="request"></param>
+        /// <param name="cancellationToken"></param>
+        /// <returns></returns>
+        public static async Task<Models.WxaGameQueryOrderInfoResponse> ExecuteWxaGameQueryOrderInfoAsync(this WechatApiClient client, Models.WxaGameQueryOrderInfoRequest request, CancellationToken cancellationToken = default)
+        {
+            if (client is null) throw new ArgumentNullException(nameof(client));
+            if (request is null) throw new ArgumentNullException(nameof(request));
+
+            PreprocessRequest(client, ref request);
+
+            IFlurlRequest flurlReq = client
+                .CreateFlurlRequest(request, HttpMethod.Post, "wxa", "game", "queryorderinfo")
+                .SetQueryParam("access_token", request.AccessToken)
+                .SetQueryParam("sig_method", request.SignMethod)
+                .SetQueryParam("signature", request.Signature)
+                .SetQueryParam("pay_sig", request.PaySign);
+
+            return await client.SendFlurlRequestAsJsonAsync<Models.WxaGameQueryOrderInfoResponse>(flurlReq, data: request, cancellationToken: cancellationToken).ConfigureAwait(false);
+        }
     }
 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoRequest.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoRequest.cs
new file mode 100644
index 00000000..00a167bf
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoRequest.cs
@@ -0,0 +1,27 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/game/queryorderinfo 接口的请求。</para>
+    /// </summary>
+    public class WxaGameQueryOrderInfoRequest : WxaGameRequestBase, IInferable<WxaGameQueryOrderInfoRequest, WxaGameQueryOrderInfoResponse>
+    {
+        /// <summary>
+        /// 获取或设置外部订单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("out_trade_no")]
+        [System.Text.Json.Serialization.JsonPropertyName("out_trade_no")]
+        public string OutTradeNumber { get; set; } = string.Empty;
+
+        /// <summary>
+        /// 获取或设置业务类型。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("biz_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("biz_id")]
+        public int BusinessType { get; set; }
+
+        protected internal override string GetRequestPath()
+        {
+            return "/wxa/game/queryorderinfo";
+        }
+    }
+}
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoResponse.cs
new file mode 100644
index 00000000..901a2bc5
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Api/Models/WxaGame/WxaGameQueryOrderInfoResponse.cs
@@ -0,0 +1,57 @@
+namespace SKIT.FlurlHttpClient.Wechat.Api.Models
+{
+    /// <summary>
+    /// <para>表示 [POST] /wxa/game/queryorderinfo 接口的响应。</para>
+    /// </summary>
+    public class WxaGameQueryOrderInfoResponse : WechatApiResponse
+    {
+        /// <summary>
+        /// 获取或设置道具 ID。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("product_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("product_id")]
+        public string ProductId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置外部订单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("out_trade_no")]
+        [System.Text.Json.Serialization.JsonPropertyName("out_trade_no")]
+        public string OutTradeNumber { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置微信支付商户单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("mch_order_no")]
+        [System.Text.Json.Serialization.JsonPropertyName("mch_order_no")]
+        public string? MerchantOrderNumber { get; set; }
+
+        /// <summary>
+        /// 获取或设置微信支付订单号。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("transaction_id")]
+        [System.Text.Json.Serialization.JsonPropertyName("transaction_id")]
+        public string? TransactionId { get; set; } = default!;
+
+        /// <summary>
+        /// 获取或设置支付状态。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("pay_state")]
+        [System.Text.Json.Serialization.JsonPropertyName("pay_state")]
+        public int PayState { get; set; }
+
+        /// <summary>
+        /// 获取或设置发货状态。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("deliver_state")]
+        [System.Text.Json.Serialization.JsonPropertyName("deliver_state")]
+        public int DeliverState { get; set; }
+
+        /// <summary>
+        /// 获取或设置支付完成时间戳。
+        /// </summary>
+        [Newtonsoft.Json.JsonProperty("pay_finish_time")]
+        [System.Text.Json.Serialization.JsonPropertyName("pay_finish_time")]
+        public long? PayFinishTimestamp { get; set; }
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoRequest.json
new file mode 100644
index 00000000..12533391
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoRequest.json
@@ -0,0 +1,8 @@
+{
+    "openid": "oUrsfxxxxxxxxxx",
+    "ts": 1668512806,
+    "env": 0,
+    "out_trade_no": "test_queryorderinfo_1668512806",
+    "offer_id": "xxxx",
+    "biz_id": 1
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoResponse.json
new file mode 100644
index 00000000..1ff8ac31
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/WxaGame/WxaGameQueryOrderInfoResponse.json
@@ -0,0 +1,11 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "out_trade_no": "test_queryorderinfo_1668512806",
+    "pay_finish_time": 1669364790,
+    "product_id": "id_100001",
+    "deliver_state": 1,
+    "pay_state": 1,
+    "mch_order_no": "1217752501201407033233368018",
+    "transaction_id": "1217752501201407033233368018"
+}