diff --git a/src/sdk/bowongAISDK.ts b/src/sdk/bowongAISDK.ts
index 3766bac..a594d9f 100644
--- a/src/sdk/bowongAISDK.ts
+++ b/src/sdk/bowongAISDK.ts
@@ -76,8 +76,8 @@ export class BowongAISDK {
    * @private
    */
   private async _uploadFileForH5(params: UploadParams): Promise<string> {
-    const { filePath, name, type, onProgress } = params;
-    const url = `${this._isH5Platform() ? '' : this.baseUrl}/api/file/upload/s3`;
+    const { filePath, name, type } = params;
+    const url = `${this.baseUrl}/api/file/upload/s3`;
 
     try {
       // 获取文件信息
@@ -94,7 +94,7 @@ export class BowongAISDK {
       }
 
       // 自动生成文件名（如果未提供）
-      const fileName = name || `upload_${Date.now()}.${this._getFileExtension(filePath)}`;
+      const fileName = name || `upload_${Date.now()}_${this._getFileExtension(filePath)}`;
       // 自动判断文件类型（如果未提供）
       const fileType = type || this._getMimeType(filePath);
 
@@ -349,10 +349,12 @@ export class BowongAISDK {
 
       // 上传第一张图片
       const filePath = chooseResult.tempFilePaths[0];
+      const tempFile = chooseResult.tempFiles[0]
       console.log('开始上传图片:', filePath);
 
       const uploadUrl = await this.upload({
         filePath,
+        type: tempFile.type,
         onProgress
       });