diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/Interceptors/WechatAdsAgencyTokenInterceptor.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/Interceptors/WechatAdsAgencyTokenInterceptor.cs
index 3edf53ce..9eca9091 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/Interceptors/WechatAdsAgencyTokenInterceptor.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/Interceptors/WechatAdsAgencyTokenInterceptor.cs
@@ -7,7 +7,7 @@ using Flurl.Http;
 
 namespace SKIT.FlurlHttpClient.Wechat.Ads.Interceptors
 {
-    internal class WechatAdsAgencyTokenInterceptor : WechatHttpCallInterceptor
+    internal class WechatAdsAgencyTokenInterceptor : FlurlHttpCallInterceptor
     {
         private readonly string _agencyId;
         private readonly string _agencyApiKey;
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/Campaigns/CampaignsGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/Campaigns/CampaignsGetResponse.cs
index f5fe809a..670a8be4 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/Campaigns/CampaignsGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/Campaigns/CampaignsGetResponse.cs
@@ -63,7 +63,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Models
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("budget_reach_date")]
                         [System.Text.Json.Serialization.JsonPropertyName("budget_reach_date")]
-                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumberTypedStringConverter))]
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.NumericalStringConverter))]
                         public string? BudgetReachDateString { get; set; }
 
                         /// <summary>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/CustomAudiencesGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/CustomAudiencesGetResponse.cs
index 22d37c49..b482da6a 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/CustomAudiencesGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/CustomAudiencesGetResponse.cs
@@ -69,18 +69,18 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Models
                         /// 获取或设置最近修改时间戳。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("last_modified_time")]
-                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.RegularDateTimeOffsetConverter))]
                         [System.Text.Json.Serialization.JsonPropertyName("last_modified_time")]
-                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.RegularDateTimeOffsetConverter))]
                         public DateTimeOffset UpdateTime { get; set; }
 
                         /// <summary>
                         /// 获取或设置创建时间戳。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("created_time")]
-                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.RegularDateTimeOffsetConverter))]
                         [System.Text.Json.Serialization.JsonPropertyName("created_time")]
-                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.RegularDateTimeOffsetConverter))]
                         public DateTimeOffset CreateTime { get; set; }
                     }
                 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/Files/CustomAudienceFilesGetResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/Files/CustomAudienceFilesGetResponse.cs
index 06ca4f8a..072582ca 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/Files/CustomAudienceFilesGetResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/Models/CustomAudiences/Files/CustomAudienceFilesGetResponse.cs
@@ -97,9 +97,9 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Models
                         /// 获取或设置创建时间戳。
                         /// </summary>
                         [Newtonsoft.Json.JsonProperty("created_time")]
-                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.RegularDateTimeOffsetConverter))]
                         [System.Text.Json.Serialization.JsonPropertyName("created_time")]
-                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.CommonDateTimeOffsetConverter))]
+                        [System.Text.Json.Serialization.JsonConverter(typeof(System.Text.Json.Converters.RegularDateTimeOffsetConverter))]
                         public DateTimeOffset CreateTime { get; set; }
                     }
                 }
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsClient.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsClient.cs
index 79c4cde8..730072cf 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsClient.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsClient.cs
@@ -15,7 +15,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads
     /// <summary>
     /// 一个微信广告平台 API HTTP 客户端。
     /// </summary>
-    public class WechatAdsClient : WechatClientBase
+    public class WechatAdsClient : CommonClientBase, IWechatClient
     {
         /// <summary>
         /// 获取当前客户端使用的微信广告平台凭证。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsException.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsException.cs
index 393020f0..afe8138e 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsException.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/WechatAdsException.cs
@@ -5,7 +5,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads
     /// <summary>
     /// 微信广告平台 API 出错时引发的异常。
     /// </summary>
-    public class WechatAdsException : WechatExceptionBase
+    public class WechatAdsException : CommonExceptionBase
     {
         /// <inheritdoc/>
         public WechatAdsException()