Update Dockerfile

Dockerfile

@@ -21,7 +21,7 @@ ENV N8N_PAYLOAD_SIZE_MAX=256
 USER root
 
 # 更新包管理器并安装必要软件包，包括 Python3、venv、curl、Node.js、n8n
-RUN apt-get install -y curl unzip gnupg build-essential sudo vim git procps lsof net-tools ca-certificates openssl tzdata python3-venv gosu && \
+RUN apt-get update && apt-get install -y curl unzip gnupg build-essential sudo vim git procps lsof net-tools ca-certificates openssl tzdata python3-venv gosu && \
     ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     dpkg-reconfigure --frontend noninteractive tzdata && \