fix

src/main/java/com/senmesh/sdk/dify/dto/DifyChatRequest.java

@@ -1,5 +1,6 @@
 package com.senmesh.sdk.dify.dto;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import java.io.Serializable;
 import java.util.List;
 import java.util.Map;
@@ -28,10 +29,12 @@ public class DifyChatRequest implements Serializable {
   private String query;
   
   /** 响应模式: blocking/streaming */
+  @JsonProperty("response_mode")
   @Builder.Default
   private String responseMode = "blocking";
   
   /** 会话ID */
+  @JsonProperty("conversation_id")
   private String conversationId;
   
   /** 用户标识 */
@@ -55,6 +58,7 @@ public class DifyChatRequest implements Serializable {
     private String type;
 
     /** 传输方式: remote_url/local_file */
+    @JsonProperty("transfer_method")
     @Builder.Default
     private String transferMethod = "local_file";
 
@@ -62,6 +66,7 @@ public class DifyChatRequest implements Serializable {
     private String url;
 
     /** 上传文件ID */
+    @JsonProperty("upload_file_id")
     private String uploadFileId;
   }