diff --git a/.gitea/ai-review/exclusions.json b/.gitea/ai-review/exclusions.json
index 6dbc176..10800b7 100644
--- a/.gitea/ai-review/exclusions.json
+++ b/.gitea/ai-review/exclusions.json
@@ -168,5 +168,20 @@
     "role": "Aria",
     "location": "entrypoint.sh",
     "suggestion": "entrypoint.sh 檔案結尾已有換行符號（0x0a），符合 POSIX 慣例"
+  },
+  {
+    "role": "Maya",
+    "location": "app/main.js",
+    "suggestion": "main.js 整合測試需要真實 Gitea API、LLM API、git 操作，不適合單元測試。各模組已有獨立單元測試覆蓋"
+  },
+  {
+    "role": "Maya",
+    "location": "app/comments.js",
+    "suggestion": "comments.js 的 buildTable 為簡單字串拼接，postComment 已透過 gitea.js mock 間接測試，補測試效益低"
+  },
+  {
+    "role": "Maya",
+    "location": "app/roles.js",
+    "suggestion": "roles.js 依賴容器內固定路徑 /action/app/prompts/roles，單元測試環境無法存取，且邏輯為簡單 YAML 讀取與字串拼接"
   }
 ]
diff --git a/Dockerfile b/Dockerfile
index 3a5481d..ee322d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.20
 
 RUN apk add --no-cache bash nodejs npm git \
     && node --version \
@@ -7,10 +7,11 @@ RUN apk add --no-cache bash nodejs npm git \
 
 WORKDIR /action
 
+COPY app/package.json /action/app/
+RUN cd /action/app && npm install
+
 COPY app/ /action/app/
 COPY entrypoint.sh /entrypoint.sh
-
-RUN cd /action/app && npm install && \
-    chmod +x /entrypoint.sh
+RUN chmod +x /entrypoint.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
diff --git a/app/package.json b/app/package.json
index 642c211..b010617 100644
--- a/app/package.json
+++ b/app/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "type": "module",
   "scripts": {
-    "test": "node --test git.test.js config.test.js llm.test.js"
+    "test": "node --test *.test.js"
   },
   "dependencies": {
     "axios": "^1.6.7",