diff --git a/ruoyi-video/src/main/java/com/ruoyi/video/thread/detector/HttpYoloDetector.java b/ruoyi-video/src/main/java/com/ruoyi/video/thread/detector/HttpYoloDetector.java
index d9a989e..f0fe7cf 100644
--- a/ruoyi-video/src/main/java/com/ruoyi/video/thread/detector/HttpYoloDetector.java
+++ b/ruoyi-video/src/main/java/com/ruoyi/video/thread/detector/HttpYoloDetector.java
@@ -65,29 +65,33 @@ public class HttpYoloDetector implements YoloDetector {
         }
 
         try {
-            // 将OpenCV的Mat转换为JPEG字节数组
             BytePointer buffer = new BytePointer();
             imencode(".jpg", bgr, buffer);
             byte[] jpgBytes = new byte[(int)(buffer.capacity())];
             buffer.get(jpgBytes);
             buffer.deallocate();
+
             // 准备HTTP请求参数
             HttpHeaders headers = new HttpHeaders();
             headers.setContentType(MediaType.MULTIPART_FORM_DATA);
 
             MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
-            // 1. 添加文件参数（正确）
+            // 仅发送文件，model_name 放到查询参数
             body.add("file", new CustomByteArrayResource(jpgBytes, "image.jpg"));
-            // 2. 添加 model_name 作为表单参数（关键修改）
-            body.add("model_name", modelName);  // 直接添加到表单数据中
 
             HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(body, headers);
 
-            // 不需要拼接查询参数，直接使用原始API URL
-            String url = apiUrl;
+            // 将 model_name 作为查询参数
+            String urlWithQuery;
+            try {
+                String encoded = java.net.URLEncoder.encode(modelName, java.nio.charset.StandardCharsets.UTF_8.toString());
+                urlWithQuery = apiUrl + (apiUrl.contains("?") ? "&" : "?") + "model_name=" + encoded;
+            } catch (Exception ex) {
+                urlWithQuery = apiUrl + (apiUrl.contains("?") ? "&" : "?") + "model_name=" + modelName;
+            }
 
-            // 发送请求
-            ResponseEntity<String> response = restTemplate.postForEntity(url, requestEntity, String.class);
+            // 发送请求到Python服务
+            ResponseEntity<String> response = restTemplate.postForEntity(urlWithQuery, requestEntity, String.class);
             String responseBody = response.getBody();
             if (!response.getStatusCode().is2xxSuccessful()) {
                 log.error("HTTP检测失败: status={}, body={}", response.getStatusCodeValue(), responseBody);