diff --git a/web-node/service/start.sh b/web-node/service/start.sh
index 3150360..95da7ff 100644
--- a/web-node/service/start.sh
+++ b/web-node/service/start.sh
@@ -4,15 +4,15 @@ use=$(ls /home)
 # Check the envionment variables for the flag and assign to INSERT_FLAG
 if [ "$DASFLAG" ]; then
     INSERT_FLAG="$DASFLAG"
-    expot DASFLAG=no_FLAG
+    export DASFLAG=no_FLAG
     DASFLAG=no_FLAG
 elif [ "$FLAG" ]; then
     INSERT_FLAG="$FLAG"
-    expot FLAG=no_FLAG
+    export FLAG=no_FLAG
     FLAG=no_FLAG
 elif [ "$GZCTF_FLAG" ]; then
     INSERT_FLAG="$GZCTF_FLAG"
-    expot GZCTF_FLAG=no_FLAG
+    export GZCTF_FLAG=no_FLAG
     GZCTF_FLAG=no_FLAG
 else
     INSERT_FLAG="flag{TEST_Dynamic_FLAG}"
@@ -26,4 +26,4 @@ chmod 744 /flag
 chmod 740 /app/*
 
 # 运行ja程序文件
-node app.js
\ No newline at end of file
+node app.js