diff --git a/lib/request-error.ts b/lib/request-error.ts
index c18c23167..ec04a765c 100644
--- a/lib/request-error.ts
+++ b/lib/request-error.ts
@@ -258,6 +258,9 @@ export function getRequestFailureDetails(
   if (/neither a task ID nor output URLs|已完成.*未取回|completed without.*output/i.test(text)) {
     return detail("RESULT_UNCONFIRMED", "模型服务没有返回可读取的任务结果，生成状态尚未确认。", "请保留当前任务并联系管理员核对，避免重复生成。", "unknown");
   }
+  if (/(?:抠图|去水印|图片增强|图片|扩图)处理失败/.test(text)) {
+    return detail("PROCESSING_FAILED", "图片处理服务执行失败，未返回具体原因。", "请联系管理员并提供请求编号，先核对原任务结果，避免重复处理。", "unknown");
+  }
   if (/service_error|upstream_server_error|excessive system load|generate(?: image)? failed/i.test(text)) {
     return detail("PROVIDER_EXECUTION_FAILED", "模型服务未能完成本次处理。", "请稍后重试；若连续失败，请切换模型或联系管理员，并提供请求编号。");
   }
diff --git a/tests/routes/image-provider-error-classification.test.ts b/tests/routes/image-provider-error-classification.test.ts
index 8dff2cae6..499fb9dcc 100644
--- a/tests/routes/image-provider-error-classification.test.ts
+++ b/tests/routes/image-provider-error-classification.test.ts
@@ -17,6 +17,8 @@ test("known provider and platform failures explain their cause and next action",
     ["generate image failed", "PROVIDER_EXECUTION_FAILED", "稍后重试"],
     ["excessive system load", "PROVIDER_EXECUTION_FAILED", "稍后重试"],
     ["get image url failed", "SOURCE_IMAGE_UNAVAILABLE", "重新上传"],
+    ["抠图处理失败", "PROCESSING_FAILED", "核对原任务"],
+    ["去水印处理失败", "PROCESSING_FAILED", "核对原任务"],
     ["图片上传到存储桶失败", "RESULT_STORAGE_FAILED", "不要重复生成"],
     ["任务执行中断，结果尚未确认", "RESULT_UNCONFIRMED", "避免重复生成"],
   ]) {