diff --git a/Dockerfile b/Dockerfile
index 6086e19..2f5105c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM alpine:3.19 AS deps
+FROM r-2.top/alpine:3.19 AS deps
 
 WORKDIR /usr
 
 RUN apk add gcc g++ cmake make acl
 
-FROM alpine:3.19 AS build
+FROM r-2.top/alpine:3.19 AS build
 
 WORKDIR /hikbuild
 
@@ -14,7 +14,7 @@ COPY . /hikbuild
 
 RUN cmake . -D Arch=${TARGETARCH} -D CMAKE_BUILD_TYPE=RELEASE && make
 
-FROM alpine:3.19 AS export
+FROM r-2.top/alpine:3.19 AS export
 
 WORKDIR /home
 COPY --from=build /hikbuild/build /home
diff --git a/Hikvision.go b/Hikvision.go
index 0990990..194ad9b 100644
--- a/Hikvision.go
+++ b/Hikvision.go
@@ -54,7 +54,7 @@ func getSystemLibrary() string {
 		if runtime.GOARCH == "amd64" || runtime.GOARCH == "386" {
 			return "libHikNetSDKPkg_linux_amd64.so"
 		} else {
-			return " libHikNetSDKPkg_linux_arm64.so"
+			return "libHikNetSDKPkg_linux_arm64.so"
 		}
 	case "windows":
 		return "HikNetSDKPkg_win_amd64.dll"