diff --git a/extensions/qqbot/src/engine/tools/channel-api.test.ts b/extensions/qqbot/src/engine/tools/channel-api.test.ts
new file mode 100644
index 000000000000..d6e0d259f4d6
--- /dev/null
+++ b/extensions/qqbot/src/engine/tools/channel-api.test.ts
@@ -0,0 +1,110 @@
+// Qqbot tests cover channel-api tool behavior.
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+const fetchWithSsrFGuardMock = vi.hoisted(() => vi.fn());
+
+vi.mock("openclaw/plugin-sdk/ssrf-runtime", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("openclaw/plugin-sdk/ssrf-runtime")>();
+  return {
+    ...actual,
+    fetchWithSsrFGuard: fetchWithSsrFGuardMock,
+  };
+});
+
+import { executeChannelApi } from "./channel-api.js";
+
+function cancelTrackedResponse(
+  text: string,
+  init: ResponseInit,
+): {
+  response: Response;
+  wasCanceled: () => boolean;
+} {
+  let canceled = false;
+  const stream = new ReadableStream<Uint8Array>({
+    start(controller) {
+      controller.enqueue(new TextEncoder().encode(text));
+    },
+    cancel() {
+      canceled = true;
+    },
+  });
+  return {
+    response: new Response(stream, init),
+    wasCanceled: () => canceled,
+  };
+}
+
+describe("executeChannelApi", () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+    fetchWithSsrFGuardMock.mockReset();
+  });
+
+  it("uses guarded QQ API fetches and releases successful responses", async () => {
+    const release = vi.fn(async () => {});
+    fetchWithSsrFGuardMock.mockResolvedValueOnce({
+      response: new Response(JSON.stringify({ id: "guild-1" }), { status: 200 }),
+      release,
+    });
+
+    const result = await executeChannelApi(
+      { method: "GET", path: "/users/@me/guilds", query: { limit: "1" } },
+      { accessToken: "token-1" },
+    );
+
+    expect(result.details).toEqual({
+      success: true,
+      status: 200,
+      path: "/users/@me/guilds",
+      data: { id: "guild-1" },
+    });
+    expect(release).toHaveBeenCalledTimes(1);
+    expect(fetchWithSsrFGuardMock).toHaveBeenCalledWith({
+      url: "https://api.sgroup.qq.com/users/@me/guilds?limit=1",
+      init: {
+        method: "GET",
+        headers: {
+          Authorization: "QQBot token-1",
+          "Content-Type": "application/json",
+        },
+        signal: expect.any(AbortSignal),
+      },
+      auditContext: "qqbot-channel-api",
+      policy: {
+        hostnameAllowlist: ["api.sgroup.qq.com"],
+        allowRfc2544BenchmarkRange: true,
+      },
+    });
+  });
+
+  it("bounds error bodies without using response.text()", async () => {
+    const release = vi.fn(async () => {});
+    const tracked = cancelTrackedResponse(`${"channel api unavailable ".repeat(1024)}tail`, {
+      status: 503,
+      statusText: "Service Unavailable",
+      headers: { "content-type": "text/plain" },
+    });
+    const textSpy = vi.spyOn(tracked.response, "text").mockRejectedValue(new Error("unbounded"));
+    fetchWithSsrFGuardMock.mockResolvedValueOnce({
+      response: tracked.response,
+      release,
+    });
+
+    const result = await executeChannelApi(
+      { method: "GET", path: "/guilds/123/channels" },
+      { accessToken: "token-1" },
+    );
+
+    expect(result.details).toMatchObject({
+      error: "503 Service Unavailable",
+      status: 503,
+      path: "/guilds/123/channels",
+    });
+    expect(JSON.stringify(result.details)).toContain("channel api unavailable");
+    expect(JSON.stringify(result.details)).not.toContain("tail");
+    expect(tracked.wasCanceled()).toBe(true);
+    expect(textSpy).not.toHaveBeenCalled();
+    expect(release).toHaveBeenCalledTimes(1);
+  });
+});
diff --git a/extensions/qqbot/src/engine/tools/channel-api.ts b/extensions/qqbot/src/engine/tools/channel-api.ts
index 88ac4d06b469..4d0df88ed909 100644
--- a/extensions/qqbot/src/engine/tools/channel-api.ts
+++ b/extensions/qqbot/src/engine/tools/channel-api.ts
@@ -8,11 +8,21 @@
  * validation, fetch, and structured response formatting.
  */
 
+import { readResponseTextLimited } from "openclaw/plugin-sdk/provider-http";
+import { fetchWithSsrFGuard, type SsrFPolicy } from "openclaw/plugin-sdk/ssrf-runtime";
 import { formatErrorMessage } from "../utils/format.js";
 import { debugLog, debugError } from "../utils/log.js";
 
 const API_BASE = "https://api.sgroup.qq.com";
 const DEFAULT_TIMEOUT_MS = 30000;
+const CHANNEL_API_ERROR_BODY_LIMIT_BYTES = 8 * 1024;
+
+function resolveChannelApiSsrfPolicy(url: string): SsrFPolicy {
+  return {
+    hostnameAllowlist: [new URL(url).hostname],
+    allowRfc2544BenchmarkRange: true,
+  };
+}
 
 /**
  * Channel API call parameters.
@@ -174,8 +184,16 @@ export async function executeChannelApi(
     debugLog(`[qqbot-channel-api] >>> ${method} ${url} (timeout: ${DEFAULT_TIMEOUT_MS}ms)`);
 
     let res: Response;
+    let release: (() => Promise<void>) | undefined;
     try {
-      res = await fetch(url, fetchOptions);
+      const guarded = await fetchWithSsrFGuard({
+        url,
+        init: fetchOptions,
+        auditContext: "qqbot-channel-api",
+        policy: resolveChannelApiSsrfPolicy(url),
+      });
+      res = guarded.response;
+      release = guarded.release;
     } catch (err) {
       clearTimeout(timeoutId);
       if (err instanceof Error && err.name === "AbortError") {
@@ -194,47 +212,53 @@ export async function executeChannelApi(
       clearTimeout(timeoutId);
     }
 
-    debugLog(`[qqbot-channel-api] <<< Status: ${res.status} ${res.statusText}`);
-
-    const rawBody = await res.text();
-    if (!rawBody || rawBody.trim() === "") {
-      if (res.ok) {
-        return json({ success: true, status: res.status, path: params.path });
-      }
-      return json({
-        error: `API returned ${res.status} ${res.statusText}`,
-        status: res.status,
-        path: params.path,
-      });
-    }
-
-    let parsed: unknown;
     try {
-      parsed = JSON.parse(rawBody);
-    } catch {
-      parsed = rawBody;
-    }
+      debugLog(`[qqbot-channel-api] <<< Status: ${res.status} ${res.statusText}`);
+
+      const rawBody = res.ok
+        ? await res.text()
+        : await readResponseTextLimited(res, CHANNEL_API_ERROR_BODY_LIMIT_BYTES);
+      if (!rawBody || rawBody.trim() === "") {
+        if (res.ok) {
+          return json({ success: true, status: res.status, path: params.path });
+        }
+        return json({
+          error: `API returned ${res.status} ${res.statusText}`,
+          status: res.status,
+          path: params.path,
+        });
+      }
+
+      let parsed: unknown;
+      try {
+        parsed = JSON.parse(rawBody);
+      } catch {
+        parsed = rawBody;
+      }
+
+      if (!res.ok) {
+        const errMsg =
+          typeof parsed === "object" && parsed && "message" in parsed
+            ? String((parsed as { message?: unknown }).message)
+            : `${res.status} ${res.statusText}`;
+        debugError(`[qqbot-channel-api] Error [${method} ${params.path}]: ${errMsg}`);
+        return json({
+          error: errMsg,
+          status: res.status,
+          path: params.path,
+          details: parsed,
+        });
+      }
 
-    if (!res.ok) {
-      const errMsg =
-        typeof parsed === "object" && parsed && "message" in parsed
-          ? String((parsed as { message?: unknown }).message)
-          : `${res.status} ${res.statusText}`;
-      debugError(`[qqbot-channel-api] Error [${method} ${params.path}]: ${errMsg}`);
       return json({
-        error: errMsg,
+        success: true,
         status: res.status,
         path: params.path,
-        details: parsed,
+        data: parsed,
       });
+    } finally {
+      await release?.();
     }
-
-    return json({
-      success: true,
-      status: res.status,
-      path: params.path,
-      data: parsed,
-    });
   } catch (err) {
     return json({
       error: formatErrorMessage(err),