diff --git a/app/gitea_client.py b/app/gitea_client.py
index 5c683e4..31f1c08 100644
--- a/app/gitea_client.py
+++ b/app/gitea_client.py
@@ -1,9 +1,10 @@
 """
 Gitea API 客户端
 """
+import re
 import httpx
 import os
-from typing import Tuple
+from typing import Tuple, Optional
 
 
 class GiteaClient:
@@ -12,7 +13,7 @@ class GiteaClient:
     def __init__(self, gitea_url: str = None, token: str = None):
         self.gitea_url = (gitea_url or os.getenv("GITEA_URL", "")).rstrip("/")
         self.token = token or os.getenv("GITEA_TOKEN", "")
-        self.base_api_url = f"{self.gitea_url}/api/v1"
+        self.base_api_url = f"{self.gitea_url}/api/v1" if self.gitea_url else ""
         self.client = httpx.Client(timeout=30)
 
     def _headers(self) -> dict:
@@ -22,21 +23,31 @@ class GiteaClient:
             "Content-Type": "application/json",
         }
 
-    def _extract_owner_repo_from_pr_url(self, pr_url: str) -> Tuple[str, str, int]:
+    def _parse_pr_url(self, pr_url: str) -> Tuple[str, str, str, int]:
         """
-        从 PR URL 提取 owner, repo, pr_number
+        从 PR URL 提取 base_url, owner, repo, pr_number
         例如: https://gitea.airlabs.art/owner/repo/pulls/45
+        返回: ("https://gitea.airlabs.art", "owner", "repo", 45)
         """
-        import re
-        match = re.search(r'([^/]+)/([^/]+)/pulls/(\d+)', pr_url)
+        match = re.search(r'(https?://[^/]+)/([^/]+)/([^/]+)/pulls/(\d+)', pr_url)
         if not match:
             raise ValueError(f"无法解析 PR URL: {pr_url}")
 
-        owner, repo, pr_number = match.groups()
-        return owner, repo, int(pr_number)
+        base_url, owner, repo, pr_number = match.groups()
+        return base_url, owner, repo, int(pr_number)
+
+    def _get_api_url(self, pr_url: Optional[str] = None) -> str:
+        """获取 API base URL，优先从 pr_url 解析，否则用 self.base_api_url"""
+        if pr_url:
+            match = re.search(r'(https?://[^/]+)/', pr_url)
+            if match:
+                return f"{match.group(1)}/api/v1"
+        if self.base_api_url:
+            return self.base_api_url
+        raise ValueError("无法确定 Gitea API 地址：未配置 GITEA_URL 且 PR URL 中无法提取")
 
     def merge_pr(
-        self, owner: str, repo: str, pr_number: int
+        self, owner: str, repo: str, pr_number: int, api_base_url: str = None
     ) -> Tuple[bool, str]:
         """
         合并 PR
@@ -45,11 +56,13 @@ class GiteaClient:
             owner: 仓库所有者
             repo: 仓库名称
             pr_number: PR 编号
+            api_base_url: 可选，API base URL（从 pr_url 解析得到）
 
         Returns:
             (是否成功, 消息)
         """
-        url = f"{self.base_api_url}/repos/{owner}/{repo}/pulls/{pr_number}/merge"
+        base = api_base_url or self.base_api_url
+        url = f"{base}/repos/{owner}/{repo}/pulls/{pr_number}/merge"
         payload = {
             "Do": "merge",  # merge / squash / rebase
             "MergeMessageField": f"Merge PR #{pr_number} (approved via Log Center)",
@@ -75,7 +88,7 @@ class GiteaClient:
             return False, str(e)
 
     def close_pr(
-        self, owner: str, repo: str, pr_number: int, reason: str = ""
+        self, owner: str, repo: str, pr_number: int, reason: str = "", api_base_url: str = None
     ) -> Tuple[bool, str]:
         """
         关闭 PR（可选添加评论说明原因）
@@ -85,20 +98,24 @@ class GiteaClient:
             repo: 仓库名称
             pr_number: PR 编号
             reason: 关闭原因（将作为评论添加）
+            api_base_url: 可选，API base URL（从 pr_url 解析得到）
 
         Returns:
             (是否成功, 消息)
         """
+        base = api_base_url or self.base_api_url
+
         # Step 1: 如果提供了原因，先添加评论
         if reason:
             comment_success, comment_msg = self.add_pr_comment(
-                owner, repo, pr_number, f"## ❌ 修复被拒绝\n\n**原因:**\n{reason}"
+                owner, repo, pr_number, f"## ❌ 修复被拒绝\n\n**原因:**\n{reason}",
+                api_base_url=base,
             )
             if not comment_success:
                 return False, f"添加评论失败: {comment_msg}"
 
         # Step 2: 关闭 PR
-        url = f"{self.base_api_url}/repos/{owner}/{repo}/pulls/{pr_number}"
+        url = f"{base}/repos/{owner}/{repo}/pulls/{pr_number}"
         payload = {"state": "closed"}
 
         try:
@@ -111,7 +128,7 @@ class GiteaClient:
             return False, str(e)
 
     def add_pr_comment(
-        self, owner: str, repo: str, pr_number: int, comment: str
+        self, owner: str, repo: str, pr_number: int, comment: str, api_base_url: str = None
     ) -> Tuple[bool, str]:
         """
         添加 PR 评论
@@ -121,12 +138,14 @@ class GiteaClient:
             repo: 仓库名称
             pr_number: PR 编号
             comment: 评论内容
+            api_base_url: 可选，API base URL
 
         Returns:
             (是否成功, 消息)
         """
+        base = api_base_url or self.base_api_url
         # 注意: Gitea 中 PR 和 Issue 共用评论 API
-        url = f"{self.base_api_url}/repos/{owner}/{repo}/issues/{pr_number}/comments"
+        url = f"{base}/repos/{owner}/{repo}/issues/{pr_number}/comments"
         payload = {"body": comment}
 
         try:
@@ -137,17 +156,19 @@ class GiteaClient:
             return False, str(e)
 
     def merge_pr_by_url(self, pr_url: str) -> Tuple[bool, str]:
-        """通过 PR URL 直接合并"""
+        """通过 PR URL 直接合并（从 URL 自动解析 Gitea 地址）"""
         try:
-            owner, repo, pr_number = self._extract_owner_repo_from_pr_url(pr_url)
-            return self.merge_pr(owner, repo, pr_number)
+            base_url, owner, repo, pr_number = self._parse_pr_url(pr_url)
+            api_base_url = f"{base_url}/api/v1"
+            return self.merge_pr(owner, repo, pr_number, api_base_url=api_base_url)
         except Exception as e:
             return False, str(e)
 
     def close_pr_by_url(self, pr_url: str, reason: str = "") -> Tuple[bool, str]:
-        """通过 PR URL 直接关闭"""
+        """通过 PR URL 直接关闭（从 URL 自动解析 Gitea 地址）"""
         try:
-            owner, repo, pr_number = self._extract_owner_repo_from_pr_url(pr_url)
-            return self.close_pr(owner, repo, pr_number, reason)
+            base_url, owner, repo, pr_number = self._parse_pr_url(pr_url)
+            api_base_url = f"{base_url}/api/v1"
+            return self.close_pr(owner, repo, pr_number, reason, api_base_url=api_base_url)
         except Exception as e:
             return False, str(e)
diff --git a/k8s/api-deployment-prod.yaml b/k8s/api-deployment-prod.yaml
index ba9d894..64351bd 100644
--- a/k8s/api-deployment-prod.yaml
+++ b/k8s/api-deployment-prod.yaml
@@ -32,6 +32,9 @@ spec:
           value: "log_center"
         - name: DB_PASSWORD
           value: "JogNQdtrd3WY8CBCAiYfYEGx"
+        # Gitea Token（URL 从 PR URL 自动解析）
+        - name: GITEA_TOKEN
+          value: "443f7f2f556b4832f90e46df9af3e21ccb06b8a3"
         resources:
           requests:
             memory: "128Mi"
diff --git a/repair_agent/agent/claude_service.py b/repair_agent/agent/claude_service.py
index c35fde6..ec92c23 100644
--- a/repair_agent/agent/claude_service.py
+++ b/repair_agent/agent/claude_service.py
@@ -38,6 +38,7 @@ class ClaudeService:
             cmd = [
                 self.cli_path,
                 "-p", prompt,
+                "--model", settings.claude_model,
                 "--dangerously-skip-permissions",
             ]
 
diff --git a/repair_agent/config/settings.py b/repair_agent/config/settings.py
index 9336052..b25e11a 100644
--- a/repair_agent/config/settings.py
+++ b/repair_agent/config/settings.py
@@ -19,6 +19,7 @@ class Settings(BaseSettings):
     # Claude CLI
     claude_cli_path: str = Field(default="claude", description="Claude CLI 路径")
     claude_timeout: int = Field(default=1000, description="Claude CLI 超时时间(秒)")
+    claude_model: str = Field(default="claude-opus-4-6", description="Claude 模型")
     
     # Git
     git_user_name: str = Field(default="repair-agent", description="Git 用户名")