diff --git a/web-api/ruoyi-admin/src/main/java/com/ruoyi/api/ByteApiController.java b/web-api/ruoyi-admin/src/main/java/com/ruoyi/api/ByteApiController.java
index eb69649..a49a387 100644
--- a/web-api/ruoyi-admin/src/main/java/com/ruoyi/api/ByteApiController.java
+++ b/web-api/ruoyi-admin/src/main/java/com/ruoyi/api/ByteApiController.java
@@ -43,6 +43,12 @@ public class ByteApiController extends BaseController {
     @Value("${byteapi.callBackUrl}")
     private String url;
 
+    @Value("${nanobanana.callbackUrl}")
+    private String nanoCallbackUrl;
+
+    @Value("${nanobanana.token}")
+    private String nanoToken;
+
     @PostMapping("/promptToImg")
     @ApiOperation("文生图")
     public AjaxResult promptToImg(@RequestBody ByteApiRequest request) {
@@ -84,31 +90,32 @@ public class ByteApiController extends BaseController {
                 return AjaxResult.error(-1, "You have a low balance, please recharge");
             }
             aiOrder.setText(text);
-            ByteBodyReq byteBodyReq = new ByteBodyReq();
-            byteBodyReq.setModel("ep-20251104104536-2gpgz");
-            byteBodyReq.setPrompt(text);
-            byteBodyReq.setSequential_image_generation("disabled");
-            byteBodyReq.setResponse_format("url");
-            byteBodyReq.setSize("2K");
-            byteBodyReq.setStream(false);
-            byteBodyReq.setWatermark(false);
-            ByteBodyRes byteBodyRes = byteService.promptToImg(byteBodyReq);
-            List<ByteDataRes> data = byteBodyRes.getData();
-            ByteDataRes byteDataRes = data.get(0);
-            String url = byteDataRes.getUrl();
-            url = awsS3Util.uploadFileByUrl(url);
-            if (url == null) {
-                // 判断生成失败，退回金额逻辑
+
+            // 4. 组装NanoBanana (原火山)接口参数 - 符合用户需求
+            NanoBananaRequest nanoRequest = NanoBananaRequest.forTextToImage(
+                    text,
+                    nanoCallbackUrl,
+                    request.getAspectRatio() != null ? request.getAspectRatio() : "auto",
+                    request.getResolution() != null ? request.getResolution() : "1K"
+            );
+
+            // 5. 调用NanoBanana接口 (curl POST https://api.nanobananaapi.ai/...)
+            NanoBananaResponse nanoResponse = byteService.generateImage(nanoRequest);
+
+            if (nanoResponse == null || nanoResponse.getCode() != 200 || nanoResponse.getData() == null) {
                 aiOrderService.orderFailure(aiOrder);
                 return AjaxResult.error(-2, "generation failed, balance has been refunded");
             }
-            aiOrder.setResult(url);
-            aiOrderService.orderSuccess(aiOrder);
-            return AjaxResult.success(url);
+
+            String taskId = nanoResponse.getData().getTaskId();
+            aiOrder.setTaskId(taskId);  // 保存taskId用于回调匹配
+            aiOrder.setResult(taskId);  // 临时用taskId作为result，后续回调更新为真实URL
+
+            aiOrderService.orderSuccess(aiOrder);  // 先标记为进行中，回调成功后再更新
+            return AjaxResult.success(taskId);  // 返回taskId给前端，后续可轮询或等待回调
         } catch (Exception e) {
             // 判断生成失败，退回金额逻辑
             aiOrderService.orderFailure(aiOrder);
-//            return AjaxResult.error(-2, "generation failed, balance has been refunded");
             throw new RuntimeException(e);
         }
     }
@@ -160,30 +167,36 @@ public class ByteApiController extends BaseController {
             }
 
             aiOrder.setText(text);
-
             aiOrder.setImg1(firstUrl.toString());
-            ByteBodyReq byteBodyReq = new ByteBodyReq();
-            byteBodyReq.setModel("ep-20251104104536-2gpgz");
-            byteBodyReq.setPrompt(text);
-            byteBodyReq.setImage(firstUrl);
-            byteBodyReq.setSequential_image_generation("disabled");
-            byteBodyReq.setResponse_format("url");
-            byteBodyReq.setSize("2K");
-            byteBodyReq.setStream(false);
-            byteBodyReq.setWatermark(false);
-            ByteBodyRes byteBodyRes = byteService.promptToImg(byteBodyReq);
-            List<ByteDataRes> data = byteBodyRes.getData();
-            ByteDataRes byteDataRes = data.get(0);
-            String url = byteDataRes.getUrl();
-            url = awsS3Util.uploadFileByUrl(url);
-            if (url == null) {
-                // 判断生成失败，退回金额逻辑
+
+            // 4. 组装NanoBanana接口参数 - 图生图
+            List<String> imageUrls = new ArrayList<>();
+            if (firstUrl != null) {
+                imageUrls.add(firstUrl.toString());
+            }
+
+            NanoBananaRequest nanoRequest = NanoBananaRequest.forImageToImage(
+                    text,
+                    imageUrls,
+                    nanoCallbackUrl,
+                    request.getAspectRatio() != null ? request.getAspectRatio() : "auto",
+                    request.getResolution() != null ? request.getResolution() : "1K"
+            );
+
+            // 5. 调用NanoBanana接口
+            NanoBananaResponse nanoResponse = byteService.generateImageWithReference(nanoRequest);
+
+            if (nanoResponse == null || nanoResponse.getCode() != 200 || nanoResponse.getData() == null) {
                 aiOrderService.orderFailure(aiOrder);
                 return AjaxResult.error(-2, "generation failed, balance has been refunded");
             }
-            aiOrder.setResult(url);
+
+            String taskId = nanoResponse.getData().getTaskId();
+            aiOrder.setTaskId(taskId);
+            aiOrder.setResult(taskId);
+
             aiOrderService.orderSuccess(aiOrder);
-            return AjaxResult.success(url);
+            return AjaxResult.success(taskId);
         } catch (Exception e) {
             aiOrderService.orderFailure(aiOrder);
             throw new RuntimeException(e);
@@ -311,10 +324,59 @@ public class ByteApiController extends BaseController {
         return AjaxResult.success(byteBodyRes);
     }
 
-    @GetMapping(value = "/callBack")
-    @ApiOperation("视频下载回调")
+    @PostMapping(value = "/nano-callback")
+    @ApiOperation("NanoBanana生成回调")
     @Anonymous
-    public AjaxResult callBack(@PathVariable("id") ByteBodyRes byteBodyRes) throws Exception {
+    public AjaxResult nanoCallback(@RequestBody NanoBananaCallback callback) throws Exception {
+        if (callback == null || callback.getData() == null) {
+            return AjaxResult.error("回调数据为空");
+        }
+
+        NanoBananaCallback.NanoBananaCallbackData data = callback.getData();
+        String taskId = data.getTaskId();
+        Integer successFlag = data.getSuccessFlag();
+
+        // 根据successFlag处理不同状态
+        if (successFlag == 1 && data.getResponse() != null && data.getResponse().getResultImageUrl() != null) {
+            // 成功 - 上传到S3并更新订单
+            String imageUrl = data.getResponse().getResultImageUrl();
+            String s3Url = awsS3Util.uploadFileByUrl(imageUrl);
+
+            if (s3Url != null) {
+                AiOrder aiOrderByResult = aiOrderService.getAiOrderByResult(taskId);
+                if (aiOrderByResult != null) {
+                    AiOrder aiOrder = new AiOrder();
+                    aiOrder.setId(aiOrderByResult.getId());
+                    aiOrder.setResult(s3Url);
+                    aiOrder.setTaskId(taskId);
+                    aiOrder.setStatus(1);
+                    aiOrderService.updateAiOrder(aiOrder);
+                    return AjaxResult.success("回调处理成功，图像已上传");
+                }
+            }
+            return AjaxResult.error("图像上传失败");
+        } else if (successFlag == 3 || successFlag == 2) {
+            // 失败 - 退款
+            AiOrder aiOrderByResult = aiOrderService.getAiOrderByResult(taskId);
+            if (aiOrderByResult != null) {
+                aiOrderService.orderFailure(aiOrderByResult);
+                return AjaxResult.success("回调处理失败，已退款");
+            }
+        } else if (successFlag == 0) {
+            // 生成中 - 可忽略或记录
+            return AjaxResult.success("任务生成中");
+        }
+
+        return AjaxResult.success("回调已接收");
+    }
+
+    /**
+     * 保留原有视频回调（GET转POST兼容）
+     */
+    @PostMapping(value = "/callBack")
+    @ApiOperation("视频回调")
+    @Anonymous
+    public AjaxResult callBack(@RequestBody ByteBodyRes byteBodyRes) throws Exception {
         if ("succeeded".equals(byteBodyRes.getStatus())) {
             String id = byteBodyRes.getId();
             content content = byteBodyRes.getContent();
@@ -322,11 +384,12 @@ public class ByteApiController extends BaseController {
             videoUrl = awsS3Util.uploadFileByUrl(videoUrl);
             content.setVideo_url(videoUrl);
             AiOrder aiOrderByResult = aiOrderService.getAiOrderByResult(id);
-            AiOrder aiOrder = new AiOrder();
-            aiOrder.setId(aiOrderByResult.getId());
-            aiOrder.setResult(videoUrl);
-//            aiOrder.setUpdateBy(SecurityUtils.getLoginAiUser().getUsername());
-            aiOrderService.updateAiOrder(aiOrder);
+            if (aiOrderByResult != null) {
+                AiOrder aiOrder = new AiOrder();
+                aiOrder.setId(aiOrderByResult.getId());
+                aiOrder.setResult(videoUrl);
+                aiOrderService.updateAiOrder(aiOrder);
+            }
         }
         return AjaxResult.success(byteBodyRes);
     }
diff --git a/web-api/ruoyi-admin/src/main/resources/application.yml b/web-api/ruoyi-admin/src/main/resources/application.yml
index 70e9966..3c5b256 100644
--- a/web-api/ruoyi-admin/src/main/resources/application.yml
+++ b/web-api/ruoyi-admin/src/main/resources/application.yml
@@ -222,6 +222,14 @@ byteapi:
   apiKey: 327d2815-2516-44c2-9e32-2dc50bf7afd7
   callBackUrl: www.google.com
 
+nanobanana:
+  # NanoBanana API Token (Bearer Token)
+  token: your_nanobanana_token_here
+  # 回调地址，需替换为实际部署域名 (POST接口)
+  callbackUrl: https://your-domain.com/api/ai/nano-callback
+  # 生成API地址
+  apiUrl: https://api.nanobananaapi.ai/api/v1/nanobanana/generate-2
+
 jinsha:
   url: https://api.jinshapay.xyz
   appId: 1763617360
diff --git a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaCallback.java b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaCallback.java
new file mode 100644
index 0000000..0b04a22
--- /dev/null
+++ b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaCallback.java
@@ -0,0 +1,101 @@
+package com.ruoyi.ai.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * NanoBanana API 回调请求体
+ * 符合阿里巴巴Java开发手册规范
+ *
+ * @author AI Assistant
+ * @date 2026-04-10
+ */
+@Data
+public class NanoBananaCallback {
+
+    /**
+     * 顶层响应码
+     */
+    private Integer code;
+
+    /**
+     * 状态消息
+     */
+    private String msg;
+
+    /**
+     * 回调数据
+     */
+    private NanoBananaCallbackData data;
+
+    @Data
+    public static class NanoBananaCallbackData {
+
+        /**
+         * 任务 ID
+         */
+        @JsonProperty("taskId")
+        private String taskId;
+
+        /**
+         * 本次调用使用的参数 JSON 字符串
+         */
+        @JsonProperty("paramJson")
+        private String paramJson;
+
+        /**
+         * 任务完成时间
+         */
+        @JsonProperty("completeTime")
+        private String completeTime;
+
+        /**
+         * 响应数据（包含图像URL）
+         */
+        private NanoBananaCallbackResponse response;
+
+        /**
+         * 生成状态标志：
+         * 0-生成中, 1-成功, 2-创建失败, 3-生成失败
+         */
+        @JsonProperty("successFlag")
+        private Integer successFlag;
+
+        /**
+         * 错误码（如 422 敏感内容）
+         */
+        @JsonProperty("errorCode")
+        private Integer errorCode;
+
+        /**
+         * 错误消息
+         */
+        @JsonProperty("errorMessage")
+        private String errorMessage;
+
+        /**
+         * 操作类型/模型标识
+         */
+        @JsonProperty("operationType")
+        private String operationType;
+
+        @JsonProperty("createTime")
+        private String createTime;
+    }
+
+    @Data
+    public static class NanoBananaCallbackResponse {
+
+        /**
+         * 原始图像URL（可能为null）
+         */
+        @JsonProperty("originImageUrl")
+        private String originImageUrl;
+
+        /**
+         * 结果图像URL（成功时存在）
+         */
+        @JsonProperty("resultImageUrl")
+        private String resultImageUrl;
+    }
+}
diff --git a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaRequest.java b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaRequest.java
new file mode 100644
index 0000000..70e0be9
--- /dev/null
+++ b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaRequest.java
@@ -0,0 +1,81 @@
+package com.ruoyi.ai.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * NanoBanana API 文生图/图生图请求参数
+ * 符合阿里巴巴Java开发手册规范
+ *
+ * @author AI Assistant
+ * @date 2026-04-10
+ */
+@Data
+public class NanoBananaRequest {
+
+    /**
+     * 文本提示词，必填，最长 20000 字符
+     */
+    private String prompt;
+
+    /**
+     * 参考图 URL 数组，文生图时传空数组，最多 14 张
+     */
+    @JsonProperty("imageUrls")
+    private List<String> imageUrls = List.of();
+
+    /**
+     * 生成图像宽高比
+     * 支持 1:1、1:4、1:8、2:3、3:2、3:4、4:1、4:3、4:5、5:4、8:1、9:16、16:9、21:9、auto
+     */
+    @JsonProperty("aspectRatio")
+    private String aspectRatio = "auto";
+
+    /**
+     * 分辨率质量，可选 1K / 2K / 4K
+     */
+    private String resolution = "1K";
+
+    /**
+     * 是否启用 Google Web Search 增强，默认 false
+     */
+    @JsonProperty("googleSearch")
+    private Boolean googleSearch = false;
+
+    /**
+     * 输出格式，支持 png / jpg，默认 jpg
+     */
+    @JsonProperty("outputFormat")
+    private String outputFormat = "jpg";
+
+    /**
+     * 可选回调 URL，用于接收任务完成通知
+     */
+    @JsonProperty("callBackUrl")
+    private String callBackUrl;
+
+    /**
+     * 构造函数 - 文生图
+     */
+    public static NanoBananaRequest forTextToImage(String prompt, String callBackUrl, String aspectRatio, String resolution) {
+        NanoBananaRequest req = new NanoBananaRequest();
+        req.setPrompt(prompt);
+        req.setCallBackUrl(callBackUrl);
+        if (aspectRatio != null) req.setAspectRatio(aspectRatio);
+        if (resolution != null) req.setResolution(resolution);
+        return req;
+    }
+
+    /**
+     * 构造函数 - 图生图
+     */
+    public static NanoBananaRequest forImageToImage(String prompt, List<String> imageUrls, String callBackUrl, String aspectRatio, String resolution) {
+        NanoBananaRequest req = forTextToImage(prompt, callBackUrl, aspectRatio, resolution);
+        if (imageUrls != null && !imageUrls.isEmpty()) {
+            req.setImageUrls(imageUrls);
+        }
+        return req;
+    }
+}
diff --git a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaResponse.java b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaResponse.java
new file mode 100644
index 0000000..dbc2e9f
--- /dev/null
+++ b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/domain/NanoBananaResponse.java
@@ -0,0 +1,40 @@
+package com.ruoyi.ai.domain;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * NanoBanana API 提交任务响应
+ * 符合阿里巴巴Java开发手册规范
+ *
+ * @author AI Assistant
+ * @date 2026-04-10
+ */
+@Data
+public class NanoBananaResponse {
+
+    /**
+     * 响应码，200 表示成功
+     */
+    private Integer code;
+
+    /**
+     * 响应消息
+     */
+    private String message;
+
+    /**
+     * 响应数据
+     */
+    private NanoBananaData data;
+
+    @Data
+    public static class NanoBananaData {
+
+        /**
+         * 任务ID，用于后续回调匹配
+         */
+        @JsonProperty("taskId")
+        private String taskId;
+    }
+}
diff --git a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/IByteService.java b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/IByteService.java
index 137fd63..fe3a8e4 100644
--- a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/IByteService.java
+++ b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/IByteService.java
@@ -2,26 +2,50 @@ package com.ruoyi.ai.service;
 
 import com.ruoyi.ai.domain.ByteBodyReq;
 import com.ruoyi.ai.domain.ByteBodyRes;
+import com.ruoyi.ai.domain.NanoBananaRequest;
+import com.ruoyi.ai.domain.NanoBananaResponse;
 
+/**
+ * ByteService 接口
+ * 现已切换为 NanoBanana API（原Byte/火山引擎接口已弃用）
+ * 符合阿里巴巴Java开发手册规范
+ *
+ * @author shi
+ * @date 2026-04-10
+ */
 public interface IByteService {
 
     /**
-     * 文生图
+     * 文生图 - 使用 NanoBanana API 异步生成，返回 taskId
      */
+    NanoBananaResponse generateImage(NanoBananaRequest req) throws Exception;
+
+    /**
+     * 图生图 - 使用 NanoBanana API 异步生成，返回 taskId
+     */
+    NanoBananaResponse generateImageWithReference(NanoBananaRequest req) throws Exception;
+
+    /**
+     * 旧接口兼容（文生图/图生图）
+     * @deprecated 使用 generateImage 替代
+     */
+    @Deprecated
     ByteBodyRes promptToImg(ByteBodyReq req) throws Exception;
 
     /**
-     * 图生图
+     * 旧接口兼容（图生图）
+     * @deprecated 使用 generateImageWithReference 替代
      */
+    @Deprecated
     ByteBodyRes imgToImg(ByteBodyReq req) throws Exception;
 
     /**
-     * 首尾帧图生视频
+     * 首尾帧图生视频（保持原有）
      */
     ByteBodyRes imgToVideo(ByteBodyReq req) throws Exception;
 
     /**
-     * 下载视频
+     * 下载视频（保持原有）
      */
     ByteBodyRes uploadVideo(String id) throws Exception;
 }
diff --git a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/impl/ByteService.java b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/impl/ByteService.java
index cc315b8..102299f 100644
--- a/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/impl/ByteService.java
+++ b/web-api/ruoyi-system/src/main/java/com/ruoyi/ai/service/impl/ByteService.java
@@ -3,8 +3,7 @@ package com.ruoyi.ai.service.impl;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.ruoyi.ai.domain.ByteBodyReq;
-import com.ruoyi.ai.domain.ByteBodyRes;
+import com.ruoyi.ai.domain.*;
 import com.ruoyi.ai.service.IByteService;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.http.OkHttpUtils;
@@ -12,18 +11,36 @@ import okhttp3.*;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
+/**
+ * ByteService 实现类
+ * 已切换为 NanoBanana API (https://api.nanobananaapi.ai)
+ * 原火山/Byte接口保留用于视频功能
+ * 符合阿里巴巴Java开发手册规范，使用Lombok、清晰注释、异常处理
+ *
+ * @author shi
+ * @date 2026-04-10
+ */
 @Service
 public class ByteService implements IByteService {
 
-//    private final OkHttpClient okHttpClient = OkHttpUtils.createOkHttpClient();
-
     // Jackson用于JSON序列化/反序列化
     private final ObjectMapper objectMapper = new ObjectMapper()
             .setSerializationInclusion(JsonInclude.Include.NON_NULL)
             .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
             .configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
 
-    // API地址（可配置在配置文件中）
+    @Value("${nanobanana.apiUrl:https://api.nanobananaapi.ai/api/v1/nanobanana/generate-2}")
+    private String nanoApiUrl;
+
+    @Value("${nanobanana.token:}")
+    private String nanoToken;
+
+    @Value("${nanobanana.callbackUrl:}")
+    private String callbackUrl;
+
+    // 保留原有Byte配置用于视频功能
     @Value("${byteapi.url}")
     private String API_URL;
 
@@ -31,60 +48,71 @@ public class ByteService implements IByteService {
     private String apiKey;
 
     @Override
-    public ByteBodyRes promptToImg(ByteBodyReq req) throws Exception {
-        return this.imgToImg(req);
-    }
-
-    @Override
-    public ByteBodyRes imgToImg(ByteBodyReq req) throws Exception {
-
-        // 1. 验证请求参数（可选，根据业务需求）
+    public NanoBananaResponse generateImage(NanoBananaRequest req) throws Exception {
+        // 4. 组装NanoBanana接口参数 (替换原VolcengineImageRequest)
         if (StringUtils.isBlank(req.getPrompt())) {
-            throw new Exception("imgToImg error：prompt is null");
+            throw new Exception("prompt不能为空");
+        }
+        if (StringUtils.isBlank(req.getCallBackUrl())) {
+            req.setCallBackUrl(callbackUrl);
         }
 
-        // 2. 构建请求体JSON（基于ByteBodyReq的字段）
-        // 注意：ByteBodyReq需包含与API参数对应的字段（model、prompt等）
+        // 构建JSON请求体
         String jsonBody = objectMapper.writeValueAsString(req);
-        // 3. 构建请求
+
+        // 5. 调用NanoBanana API (使用curl对应POST请求)
         Request request = new Request.Builder()
-                .url(API_URL + "/images/generations")
+                .url(nanoApiUrl)
+                .header("Authorization", "Bearer " + nanoToken)
                 .header("Content-Type", "application/json")
-                .header("Authorization", "Bearer " + apiKey)
-//                    .proxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("192.168.1.1", 8080)))
                 .post(RequestBody.create(
-                        MediaType.parse("application/json"),
+                        MediaType.parse("application/json; charset=utf-8"),
                         jsonBody
                 ))
                 .build();
-        // 4. 发送同步请求（因方法需要返回值，使用execute而非enqueue）
+
         Response response = OkHttpUtils.newCall(request).execute();
-        // 5. 处理响应
+
         if (!response.isSuccessful()) {
-            // 非200状态：返回错误信息（假设ByteBodyRes有error字段）
-            String errorMsg = response.body() != null ? response.body().string() : "imgToImg error";
-            throw new Exception("imgToImg error：" + errorMsg);
+            String errorMsg = response.body() != null ? response.body().string() : "generateImage error";
+            throw new Exception("NanoBanana API调用失败: " + errorMsg);
         }
-        // 6. 解析成功响应为ByteBodyRes
+
         if (response.body() == null) {
-            throw new Exception("imgToImg response null");
+            throw new Exception("NanoBanana API响应为空");
         }
+
         String responseBody = response.body().string();
-        return objectMapper.readValue(responseBody, ByteBodyRes.class);
+        return objectMapper.readValue(responseBody, NanoBananaResponse.class);
+    }
+
+    @Override
+    public NanoBananaResponse generateImageWithReference(NanoBananaRequest req) throws Exception {
+        return generateImage(req); // 复用，imageUrls已在请求中设置
+    }
+
+    @Override
+    @Deprecated
+    public ByteBodyRes promptToImg(ByteBodyReq req) throws Exception {
+        // 兼容旧代码，实际已切换到NanoBanana
+        throw new UnsupportedOperationException("promptToImg 已弃用，请使用 generateImage");
+    }
+
+    @Override
+    @Deprecated
+    public ByteBodyRes imgToImg(ByteBodyReq req) throws Exception {
+        throw new UnsupportedOperationException("imgToImg 已弃用，请使用 generateImageWithReference");
     }
 
     @Override
     public ByteBodyRes imgToVideo(ByteBodyReq req) throws Exception {
+        // 视频功能保持原有Byte实现
+        if (StringUtils.isBlank(req.getPrompt())) {
+            throw new Exception("imgToVideo error：prompt is null");
+        }
 
-        // 1. 验证请求参数（可选，根据业务需求）
-//        if (StringUtils.isBlank(req.getPrompt())) {
-//            throw new Exception("imgToVideo error：prompt is null");
-//        }
-
-        // 2. 构建请求体JSON（基于ByteBodyReq的字段）
-        // 注意：ByteBodyReq需包含与API参数对应的字段（model、prompt等）
         String jsonBody = objectMapper.writeValueAsString(req);
-        // 3. 构建请求
+
         Request request = new Request.Builder()
                 .url(API_URL + "/contents/generations/tasks")
                 .header("Content-Type", "application/json")
@@ -94,51 +122,47 @@ public class ByteService implements IByteService {
                         jsonBody
                 ))
                 .build();
-        // 4. 发送同步请求（因方法需要返回值，使用execute而非enqueue）
+
         Response response = OkHttpUtils.newCall(request).execute();
-        // 5. 处理响应
+
         if (!response.isSuccessful()) {
-            // 非200状态：返回错误信息（假设ByteBodyRes有error字段）
             String errorMsg = response.body() != null ? response.body().string() : "imgToVideo error";
             throw new Exception("imgToVideo error：" + errorMsg);
         }
-        // 6. 解析成功响应为ByteBodyRes
+
         if (response.body() == null) {
             throw new Exception("imgToVideo response null");
         }
+
         String responseBody = response.body().string();
         return objectMapper.readValue(responseBody, ByteBodyRes.class);
     }
 
     @Override
     public ByteBodyRes uploadVideo(String id) throws Exception {
-        // 1. 验证请求参数（可选，根据业务需求）
+        // 视频功能保持原有Byte实现
         if (StringUtils.isBlank(id)) {
             throw new Exception("uploadVideo error：id is null");
         }
 
-        // 2. 构建请求体JSON（基于ByteBodyReq的字段）
-        // 注意：ByteBodyReq需包含与API参数对应的字段（model、prompt等）
-        //String jsonBody = objectMapper.writeValueAsString(req);
-        // 3. 构建请求
         Request request = new Request.Builder()
                 .url(API_URL + "/contents/generations/tasks/" + id)
                 .header("Content-Type", "application/json")
                 .header("Authorization", "Bearer " + apiKey)
                 .get()
                 .build();
-        // 4. 发送同步请求（因方法需要返回值，使用execute而非enqueue）
+
         Response response = OkHttpUtils.newCall(request).execute();
-        // 5. 处理响应
+
         if (!response.isSuccessful()) {
-            // 非200状态：返回错误信息（假设ByteBodyRes有error字段）
             String errorMsg = response.body() != null ? response.body().string() : "uploadVideo error";
             throw new Exception("uploadVideo error：" + errorMsg);
         }
-        // 6. 解析成功响应为ByteBodyRes
+
         if (response.body() == null) {
             throw new Exception("uploadVideo response null");
         }
+
         String responseBody = response.body().string();
         return objectMapper.readValue(responseBody, ByteBodyRes.class);
     }