diff --git a/lib/ai/runtime/agent-image-failover.ts b/lib/ai/runtime/agent-image-failover.ts
index 01c72ff9f..617ca4e93 100644
--- a/lib/ai/runtime/agent-image-failover.ts
+++ b/lib/ai/runtime/agent-image-failover.ts
@@ -7,10 +7,13 @@ export function agentImageFailurePolicy(error: unknown): { retry: boolean; pause
   // never submit another paid job just because a poll/connection timed out.
   const unknown = value?.providerOutcomeUnknown || /request_outcome_unknown|may still be running|outcome.unknown|timed out|timeout|超时|fetch failed|econnreset|socket hang up/.test(message);
   if (unknown && !/task failed|task.*(?:failed|cancelled|canceled)|任务.*(?:失败|取消)/.test(message)) return { retry: false, pause: null };
-  if (/content.?policy|moderation|safety|违规|敏感|积分不足|配额不足|user cancel|user abort/.test(message)) return { retry: false, pause: null };
-  const fault = agentModelFault(error);
+  if (/content.?policy|moderation|safety|违规|敏感|积分不足|本月.*配额|user cancel|user abort/.test(message)) return { retry: false, pause: null };
+  const status = Number(value?.statusCode || value?.status) || Number(message.match(/(?:http[\s:：]*|status(?:code)?[\s:=]*)([45]\d{2})/i)?.[1]) || null;
+  if (/quota|insufficient.*(?:balance|credit)|credits? insufficient|余额|额度|配额|rate.?limit|too many requests/.test(message))
+    return { retry: true, pause: { reason: "rate_or_quota", status } };
+  const fault = agentModelFault(status ? { message, status } : error);
   if (fault) return { retry: true, pause: fault };
-  if (/task failed|image generation failed|图片生成失败|未返回.*图片|empty.result|empty.response|provider.error|上游.*错误|模型.*维护/.test(message))
+  if (/task failed|image generation failed|生成失败|任务.*失败|未返回.*图片|no images? (?:in|url)|no valid data|response body is null|empty.result|empty.response|provider.error|上游.*错误|模型.*维护/.test(message))
     return { retry: true, pause: { reason: "image_generation_failed", status: Number(value?.statusCode || value?.status) || null } };
   return { retry: false, pause: null };
 }
diff --git a/tests/routes/canvas-agent-runtime-image-failover.test.ts b/tests/routes/canvas-agent-runtime-image-failover.test.ts
index 19ec552a0..de0585ed8 100644
--- a/tests/routes/canvas-agent-runtime-image-failover.test.ts
+++ b/tests/routes/canvas-agent-runtime-image-failover.test.ts
@@ -68,3 +68,11 @@ test("the existing non-Agent auto alias continues to select its configured defau
   const result = await h.generate({ ...h.request, model: "auto", agentImageMode: undefined, allowFailover: false });
   expect(result.modelRef).toBe("primary"); expect(h.calls).toHaveLength(1);
 });
+
+
+test("provider adapters that include HTTP status or quota only in their message still recover", () => {
+  for (const message of ["API request failed: HTTP 503", "server busy（HTTP 429）", "insufficient balance", "模型配额不足", "No images in response", "BananaImage 生成失败"]) {
+    expect(agentImageFailurePolicy(new Error(message)).retry).toBe(true);
+  }
+  expect(agentImageFailurePolicy(new Error("invalid input (HTTP 400)")).retry).toBe(false);
+});