diff --git a/Dev.Dockerfile b/Dev.Dockerfile
index 95fec04..8d361cb 100644
--- a/Dev.Dockerfile
+++ b/Dev.Dockerfile
@@ -15,6 +15,7 @@ COPY ["Directory.Build.Volo.targets", "."]
 COPY ["NuGet.Config", "."]
 COPY ["host/", "host/"]
 COPY ["src/", "src/"]
+COPY ["SubModules/", "SubModules/"]
 
 WORKDIR /host/JiShe.IoT.HttpApi.Host