diff --git a/src/plugins/github/plugins/publish/utils.py b/src/plugins/github/plugins/publish/utils.py
index 845b8154..d91ca325 100644
--- a/src/plugins/github/plugins/publish/utils.py
+++ b/src/plugins/github/plugins/publish/utils.py
@@ -4,6 +4,7 @@
 
 from githubkit.exception import RequestFailed
 from nonebot import logger
+from nonebot.adapters.github import ActionFailed
 
 from src.plugins.github import plugin_config
 from src.plugins.github.constants import (
@@ -132,7 +133,11 @@ async def resolve_conflict_pull_requests(
             logger.info("拉取请求为草稿，跳过处理")
             continue
 
-        issue_handler = await handler.to_issue_handler(issue_number)
+        try:
+            issue_handler = await handler.to_issue_handler(issue_number)
+        except (ActionFailed, RequestFailed):
+            logger.error(f"议题 #{issue_number} 不存在，跳过处理 {pull.title}")
+            continue
 
         try:
             artifact = await get_noneflow_artifact(issue_handler)
diff --git a/src/plugins/github/plugins/remove/utils.py b/src/plugins/github/plugins/remove/utils.py
index cb1d212d..21bf072b 100644
--- a/src/plugins/github/plugins/remove/utils.py
+++ b/src/plugins/github/plugins/remove/utils.py
@@ -1,5 +1,6 @@
 from githubkit.exception import RequestFailed
 from nonebot import logger
+from nonebot.adapters.github import ActionFailed
 from pydantic_core import PydanticCustomError
 
 from src.plugins.github import plugin_config
@@ -97,7 +98,11 @@ async def resolve_conflict_pull_requests(
 
         # 根据标签获取发布类型
         publish_type = get_type_by_labels(pull.labels)
-        issue_handler = await handler.to_issue_handler(issue_number)
+        try:
+            issue_handler = await handler.to_issue_handler(issue_number)
+        except (ActionFailed, RequestFailed):
+            logger.error(f"议题 #{issue_number} 不存在，跳过处理 {pull.title}")
+            continue
 
         if publish_type:
             # 验证作者信息
diff --git a/tests/plugins/github/resolve/test_resolve_pull_request.py b/tests/plugins/github/resolve/test_resolve_pull_request.py
index 400c02fe..2ba5d044 100644
--- a/tests/plugins/github/resolve/test_resolve_pull_request.py
+++ b/tests/plugins/github/resolve/test_resolve_pull_request.py
@@ -3,6 +3,9 @@
 from pathlib import Path
 from unittest.mock import MagicMock
 
+import httpx
+from githubkit import Response
+from githubkit.exception import RequestFailed
 from inline_snapshot import snapshot
 from nonebot.adapters.github import PullRequestClosed
 from nonebug import App
@@ -257,3 +260,222 @@ async def test_resolve_pull_request(
     )
 
     assert not mocked_api["homepage"].called
+
+
+async def test_resolve_pull_request_issue_not_found(
+    app: App,
+    mocker: MockerFixture,
+    mock_installation: MagicMock,
+    mock_installation_token: MagicMock,
+    mocked_api: MockRouter,
+    tmp_path: Path,
+) -> None:
+    """测试当 PR 对应的议题不存在时，跳过该 PR 继续处理后续 PR"""
+    from src.plugins.github.plugins.resolve import pr_close_matcher
+    from src.providers.models import (
+        REGISTRY_DATA_NAME,
+        BotPublishInfo,
+        Color,
+        RegistryArtifactData,
+        Tag,
+    )
+
+    mock_subprocess_run = mock_subprocess_run_with_side_effect(mocker)
+
+    mock_issue = MockIssue(
+        body=generate_issue_body_remove(type="Bot"), number=76
+    ).as_mock(mocker)
+    mock_issues_resp = mocker.MagicMock()
+    mock_issues_resp.parsed_data = mock_issue
+
+    # 议题不存在的发布 PR
+    mock_missing_pull = mocker.MagicMock()
+    mock_missing_pull.title = "Bot: missing"
+    mock_missing_pull.draft = False
+    mock_missing_pull.head.ref = "publish/issue999"
+    mock_missing_pull.labels = get_pr_labels(["Publish", "Bot"])
+
+    # 正常存在的发布 PR
+    mock_publish_issue = MockIssue(body=generate_issue_body_bot(), number=100).as_mock(
+        mocker
+    )
+    mock_publish_issue_resp = mocker.MagicMock()
+    mock_publish_issue_resp.parsed_data = mock_publish_issue
+    mock_publish_pull = mocker.MagicMock()
+    mock_publish_pull.title = "Bot: test"
+    mock_publish_pull.draft = False
+    mock_publish_pull.head.ref = "publish/issue100"
+    mock_publish_pull.labels = get_pr_labels(["Publish", "Bot"])
+
+    mock_publish_issue_comment = mocker.MagicMock()
+    mock_publish_issue_comment.body = """
+<details>
+<summary>历史测试</summary>
+<pre><code>
+<li>⚠️ <a href="https://github.com/owner/repo/actions/runs/14156878699">2025-03-28 02:21:18 CST</a></li><li>✅ <a href="https://github.com/nonebot/nonebot2/actions/runs/14156878699">2025-03-28 02:21:18 CST</a></li><li>✅ <a href="https://github.com/nonebot/nonebot2/actions/runs/14156878699">2025-03-28 02:22:18 CST</a>。</li><li>⚠️ <a href="https://github.com/nonebot/nonebot2/actions/runs/14156878699">2025-03-28 02:22:18 CST</a></li>
+</code></pre>
+</details>
+<!-- NONEFLOW -->
+"""
+    mock_publish_list_comments_resp = mocker.MagicMock()
+    mock_publish_list_comments_resp.parsed_data = [mock_publish_issue_comment]
+
+    mock_publish_artifact = mocker.MagicMock()
+    mock_publish_artifact.name = "noneflow"
+    mock_publish_artifact.id = 123456789
+    mock_publish_artifacts = mocker.MagicMock()
+    mock_publish_artifacts.artifacts = [mock_publish_artifact]
+    mock_publish_artifact_resp = mocker.MagicMock()
+    mock_publish_artifact_resp.parsed_data = mock_publish_artifacts
+
+    raw_data = {
+        "module_name": "module_name",
+        "project_link": "project_link",
+        "time": "2025-03-28T02:21:18Z",
+        "version": "1.0.0",
+        "name": "name",
+        "desc": "desc",
+        "author": "he0119",
+        "author_id": 1,
+        "homepage": "https://nonebot.dev",
+        "tags": [Tag(label="test", color=Color("#ffffff"))],
+        "is_official": False,
+    }
+    info = BotPublishInfo.model_construct(**raw_data)
+    registry_data = RegistryArtifactData.from_info(info)
+
+    zip_buffer = BytesIO()
+    with zipfile.ZipFile(zip_buffer, "w", zipfile.ZIP_DEFLATED) as zip_file:
+        json_content = registry_data.model_dump_json(indent=2)
+        zip_file.writestr(REGISTRY_DATA_NAME, json_content)
+
+    publish_zip_content = zip_buffer.getvalue()
+
+    mock_publish_download_artifact_resp = mocker.MagicMock()
+    mock_publish_download_artifact_resp.content = publish_zip_content
+
+    mock_pulls_resp = mocker.MagicMock()
+    mock_pulls_resp.parsed_data = [mock_missing_pull, mock_publish_pull]
+
+    async with app.test_matcher() as ctx:
+        _adapter, bot = get_github_bot(ctx)
+
+        event = get_mock_event(PullRequestClosed)
+        event.payload.pull_request.labels = get_pr_labels(["Remove", "Bot"])
+        event.payload.pull_request.merged = True
+
+        ctx.should_call_api(
+            "rest.apps.async_get_repo_installation",
+            snapshot({"owner": "he0119", "repo": "action-test"}),
+            mock_installation,
+        )
+        ctx.should_call_api(
+            "rest.apps.async_create_installation_access_token",
+            snapshot({"installation_id": mock_installation.parsed_data.id}),
+            mock_installation_token,
+        )
+        ctx.should_call_api(
+            "rest.issues.async_get",
+            snapshot({"owner": "he0119", "repo": "action-test", "issue_number": 76}),
+            mock_issues_resp,
+        )
+        ctx.should_call_api(
+            "rest.issues.async_update",
+            snapshot(
+                {
+                    "owner": "he0119",
+                    "repo": "action-test",
+                    "issue_number": 76,
+                    "state": "closed",
+                    "state_reason": "completed",
+                }
+            ),
+            True,
+        )
+        ctx.should_call_api(
+            "rest.pulls.async_list",
+            snapshot({"owner": "he0119", "repo": "action-test", "state": "open"}),
+            mock_pulls_resp,
+        )
+        # 议题不存在，应该返回 404
+        ctx.should_call_api(
+            "rest.issues.async_get",
+            snapshot({"owner": "he0119", "repo": "action-test", "issue_number": 999}),
+            exception=RequestFailed(
+                Response(
+                    httpx.Response(404, request=httpx.Request("GET", "test")),
+                    None,  # type: ignore
+                )
+            ),
+        )
+        # 跳过不存在的议题，继续处理下一个 PR
+        ctx.should_call_api(
+            "rest.issues.async_get",
+            snapshot({"owner": "he0119", "repo": "action-test", "issue_number": 100}),
+            mock_publish_issue_resp,
+        )
+        ctx.should_call_api(
+            "rest.issues.async_list_comments",
+            snapshot({"owner": "he0119", "repo": "action-test", "issue_number": 100}),
+            mock_publish_list_comments_resp,
+        )
+        ctx.should_call_api(
+            "rest.actions.async_list_workflow_run_artifacts",
+            snapshot(
+                {
+                    "owner": "he0119",
+                    "repo": "action-test",
+                    "run_id": 14156878699,
+                }
+            ),
+            mock_publish_artifact_resp,
+        )
+        ctx.should_call_api(
+            "rest.actions.async_download_artifact",
+            snapshot(
+                {
+                    "owner": "he0119",
+                    "repo": "action-test",
+                    "artifact_id": 123456789,
+                    "archive_format": "zip",
+                }
+            ),
+            mock_publish_download_artifact_resp,
+        )
+        ctx.receive_event(bot, event)
+        ctx.should_pass_rule(pr_close_matcher)
+
+    # 测试 git 命令 - 应该只处理了 issue100 的 PR，跳过了 issue999
+    assert_subprocess_run_calls(
+        mock_subprocess_run,
+        [
+            ["git", "config", "--global", "safe.directory", "*"],
+            [
+                "git",
+                "config",
+                "--global",
+                "url.https://x-access-token:test-token@github.com/.insteadOf",
+                "https://github.com/",
+            ],
+            ["git", "push", "origin", "--delete", "publish/issue76"],
+            # 处理发布（issue999 被跳过，只处理 issue100）
+            ["git", "checkout", "master"],
+            ["git", "pull"],
+            ["git", "switch", "-C", "publish/issue100"],
+            ["git", "add", str(tmp_path / "bots.json5")],
+            ["git", "config", "--global", "user.name", "test"],
+            [
+                "git",
+                "config",
+                "--global",
+                "user.email",
+                "test@users.noreply.github.com",
+            ],
+            ["git", "commit", "-m", ":beers: publish bot name (#100)"],
+            ["git", "fetch", "origin"],
+            ["git", "diff", "origin/publish/issue100", "publish/issue100"],
+            ["git", "push", "origin", "publish/issue100", "-f"],
+        ],
+    )
+
+    assert not mocked_api["homepage"].called