diff --git a/server/core/dao/repositoryConfigDAO.py b/server/core/dao/repositoryConfigDAO.py
index 7cf9f747..26151aa0 100644
--- a/server/core/dao/repositoryConfigDAO.py
+++ b/server/core/dao/repositoryConfigDAO.py
@@ -78,4 +78,13 @@ def get_by_bot_id(self, bot_id: str):
             return None
         repo_configs = [RepositoryConfig(**repo) for repo in response.data]
 
-        return repo_configs
\ No newline at end of file
+        return repo_configs
+
+    def delete_by_repo_ids(self, repo_ids: list):
+        response = (
+            self.client.table("github_repo_config")
+            .delete()
+            .in_("repo_id", repo_ids)
+            .execute()
+        )
+        return response
diff --git a/server/event_handler/intsall.py b/server/event_handler/intsall.py
new file mode 100644
index 00000000..7e843602
--- /dev/null
+++ b/server/event_handler/intsall.py
@@ -0,0 +1,31 @@
+from typing import Any
+from github import Github, Auth
+from github import GithubException
+from core.dao.repositoryConfigDAO import RepositoryConfigDAO
+
+
+class InstallEventHandler:
+    event: Any
+    auth: Auth.AppAuth
+    g: Github
+
+    def __init__(self, payload: Any, auth: Auth.AppAuth, installation_id: int) -> None:
+        self.event: Any = payload
+        self.auth: Auth.AppAuth = auth
+        self.g: Github = Github(auth=auth)
+
+    def delete_config(self):
+        repositories = self.event["repositories"]
+        repo_ids = [str(repo["id"]) for repo in repositories]
+        repository_config = RepositoryConfigDAO()
+        repository_config.delete_by_repo_ids(repo_ids)
+
+    async def execute(self):
+        try:
+            action = self.event["action"]
+            if action == "deleted":
+                self.delete_config()
+                return {"success": True}
+        except GithubException as e:
+            print(f"处理 GitHub 请求时出错：{e}")
+            return {"success": False, "error": str(e)}
diff --git a/server/github_app/handlers.py b/server/github_app/handlers.py
index 25c03140..3caea4ad 100644
--- a/server/github_app/handlers.py
+++ b/server/github_app/handlers.py
@@ -1,5 +1,6 @@
 from typing import Union
 
+from event_handler.intsall import InstallEventHandler
 from petercat_utils import get_env_variable
 from github import Auth
 
@@ -25,6 +26,7 @@ def get_handler(
     DiscussionEventHandler,
     DiscussionCommentEventHandler,
     PullRequestReviewCommentEventHandler,
+    InstallEventHandler,
     None,
 ]:
     handlers = {
@@ -33,8 +35,9 @@ def get_handler(
         "issue_comment": IssueCommentEventHandler,
         "discussion": DiscussionEventHandler,
         "discussion_comment": DiscussionCommentEventHandler,
-        "pull_request_review_comment":PullRequestReviewCommentEventHandler,
-        "pull_request_review":PullRequestReviewCommentEventHandler,
+        "pull_request_review_comment": PullRequestReviewCommentEventHandler,
+        "pull_request_review": PullRequestReviewCommentEventHandler,
+        "installation": InstallEventHandler,
     }
     return (
         handlers.get(event)(payload=payload, auth=auth, installation_id=installation_id)