diff --git a/script/install.sh b/script/install.sh
index 4e7930d..fda3b70 100755
--- a/script/install.sh
+++ b/script/install.sh
@@ -395,7 +395,7 @@ modify_agent_config() {
         nz_client_secret=$3
         shift 3
         if [ $# -gt 0 ]; then
-            args=" $*"
+            args="$*"
         fi
     fi
 
diff --git a/script/install_en.sh b/script/install_en.sh
index 665756e..b0c601f 100755
--- a/script/install_en.sh
+++ b/script/install_en.sh
@@ -391,7 +391,7 @@ modify_agent_config() {
         nz_client_secret=$3
         shift 3
         if [ $# -gt 0 ]; then
-            args=" $*"
+            args="$*"
         fi
     fi