diff --git a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Dtos/Anthropic/AnthropicInput.cs b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Dtos/Anthropic/AnthropicInput.cs
index 49d3c2d7..891dae7b 100644
--- a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Dtos/Anthropic/AnthropicInput.cs
+++ b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Dtos/Anthropic/AnthropicInput.cs
@@ -108,9 +108,9 @@ public sealed class AnthropicInput
 
 public class AnthropicThinkingInput
 {
-    [JsonPropertyName("type")] public string Type { get; set; }
+    [JsonPropertyName("type")] public string? Type { get; set; }
 
-    [JsonPropertyName("budget_tokens")] public int BudgetTokens { get; set; }
+    [JsonPropertyName("budget_tokens")] public int? BudgetTokens { get; set; }
 }
 
 public class AnthropicTooChoiceInput
@@ -122,16 +122,16 @@ public class AnthropicTooChoiceInput
 
 public class AnthropicMessageTool
 {
-    [JsonPropertyName("name")] public string name { get; set; }
+    [JsonPropertyName("name")] public string? name { get; set; }
 
     [JsonPropertyName("description")] public string? Description { get; set; }
 
-    [JsonPropertyName("input_schema")] public Input_schema InputSchema { get; set; }
+    [JsonPropertyName("input_schema")] public Input_schema? InputSchema { get; set; }
 }
 
 public class Input_schema
 {
-    [JsonPropertyName("type")] public string Type { get; set; }
+    [JsonPropertyName("type")] public string? Type { get; set; }
 
     [JsonPropertyName("properties")] public Dictionary<string, InputSchemaValue>? Properties { get; set; }
 
@@ -140,9 +140,9 @@ public class Input_schema
 
 public class InputSchemaValue
 {
-    public string type { get; set; }
+    public string? type { get; set; }
 
-    public string description { get; set; }
+    public string? description { get; set; }
 
     public InputSchemaValueItems? items { get; set; }
 }