diff --git a/distribution/bin/startup.sh b/distribution/bin/startup.sh
index 11c16d6e0..3104d0ea0 100644
--- a/distribution/bin/startup.sh
+++ b/distribution/bin/startup.sh
@@ -108,7 +108,7 @@ JAVA_MAJOR_VERSION=$($JAVA -version 2>&1 | sed -E -n 's/.* version "([0-9]*).*$/
 if [[ "$JAVA_MAJOR_VERSION" -ge "9" ]] ; then
   JAVA_OPT="${JAVA_OPT} -Xlog:gc*:file=${BASE_DIR}/logs/nacos_gc.log:time,tags:filecount=10,filesize=102400"
 else
-  JAVA_OPT_EXT_FIX="-Djava.ext.dirs=\"${JAVA_HOME}/jre/lib/ext:${JAVA_HOME}/lib/ext\""
+  JAVA_OPT_EXT_FIX="-Djava.ext.dirs=${JAVA_HOME}/jre/lib/ext:${JAVA_HOME}/lib/ext"
   JAVA_OPT="${JAVA_OPT} -Xloggc:${BASE_DIR}/logs/nacos_gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=100M"
 fi