Update Dockerfile

Dockerfile

@@ -15,12 +15,11 @@ RUN apt-get update && apt-get install -y \
     && rm -rf /var/lib/apt/lists/*
 
 # 安装 R 包
-RUN R -e "install.packages('remotes')" \
-    && R -e "remotes::install_cran('shiny')" \
-    && R -e "remotes::install_cran('dplyr')" \
-    && R -e "remotes::install_cran('sf')" \
-    && R -e "remotes::install_cran('stringr')" \
-    && R -e "remotes::install_cran('leaflet')"
+RUN R -e "install.packages('shiny')" \
+    && R -e "install.packages('dplyr')" \
+    && R -e "install.packages('sf')" \
+    && R -e "install.packages('stringr')" \
+    && R -e "install.packages('leaflet')"
 
 # 复制应用代码
 COPY . .