diff --git a/Dockerfile b/Dockerfile
index 8d0e269..fcfdfca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,16 +3,17 @@ FROM registry.t-aaron.com/python:3.11-slim
 
 WORKDIR /app
 
-# 安装系统依赖（PDF、文档处理等）
+# 安装系统依赖（编译 psycopg2、文档处理等）
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    gcc \
+    build-essential \
     libpq-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # 复制依赖文件（排除 Windows 专用包 win32_setctime）
 COPY requirements.txt .
 RUN grep -v '^win32_setctime' requirements.txt > /tmp/requirements.txt \
-    && pip install --no-cache-dir -r /tmp/requirements.txt
+    && pip install --no-cache-dir -r /tmp/requirements.txt \
+    && pip install --no-cache-dir fastapi-cdn-host langchain-tavily langgraph-checkpoint-postgres
 
 # 复制项目代码
 COPY . .
diff --git a/data/chroma/kb_1/add53ead-7f8c-45e1-9851-b11e93ad0dfb/data_level0.bin b/data/chroma/kb_1/add53ead-7f8c-45e1-9851-b11e93ad0dfb/data_level0.bin
index d878af2..676ab12 100644
Binary files a/data/chroma/kb_1/add53ead-7f8c-45e1-9851-b11e93ad0dfb/data_level0.bin and b/data/chroma/kb_1/add53ead-7f8c-45e1-9851-b11e93ad0dfb/data_level0.bin differ
diff --git a/data/chroma/kb_1/chroma.sqlite3 b/data/chroma/kb_1/chroma.sqlite3
index 8bac5d5..bd58863 100644
Binary files a/data/chroma/kb_1/chroma.sqlite3 and b/data/chroma/kb_1/chroma.sqlite3 differ