diff --git a/express-helloworld/app.js b/express-helloworld/app.js
index 782ccf03..35d549ca 100644
--- a/express-helloworld/app.js
+++ b/express-helloworld/app.js
@@ -4,8 +4,14 @@ app = express();
 app.get('/', function (req, res) {
   res.send('Hello World!\n');
 });
-
+app.get('/mars', function (req, res) {
+  res.send('Hello Mars!\n');
+});
+app.get('/moon', function (req, res) {
+  res.send('Hello Moon!\n');
+});
 app.listen(8080, function () {
   console.log('Example app listening on port 8080!');
 });
 
+express
\ No newline at end of file
diff --git a/express-helloworld/package-lock.json b/express-helloworld/package-lock.json
index 33c8c999..cdebe6ef 100644
--- a/express-helloworld/package-lock.json
+++ b/express-helloworld/package-lock.json
@@ -1,374 +1,697 @@
 {
   "name": "express-helloworld",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
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-      "requires": {
-        "mime-types": "~2.1.24",
-        "negotiator": "0.6.2"
+  "packages": {
+    "": {
+      "name": "express-helloworld",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "express": "^4.19.2"
       }
     },
-    "array-flatten": {
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+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
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       "version": "1.1.1",
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+        "get-intrinsic": "^1.2.4",
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+        "has-property-descriptors": "^1.0.2"
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+        "object-inspect": "^1.13.1"
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+      "engines": {
+        "node": ">= 0.8"
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-    "utils-merge": {
+    "node_modules/utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+      "engines": {
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+      }
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-    "vary": {
+    "node_modules/vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "engines": {
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   }
 }
diff --git a/express-helloworld/package.json b/express-helloworld/package.json
index 52e1c707..18ec79b5 100644
--- a/express-helloworld/package.json
+++ b/express-helloworld/package.json
@@ -14,6 +14,6 @@
   ],
   "license": "ISC",
   "dependencies": {
-    "express": "^4.17.1"
+    "express": "^4.19.2"
   }
 }
diff --git a/hello-nodejs/app.js b/hello-nodejs/app.js
index b5ff71d6..05f99c2d 100644
--- a/hello-nodejs/app.js
+++ b/hello-nodejs/app.js
@@ -1,2 +1,5 @@
-console.log("Hello World!\n");
-
+console.log("Hello World444!\n");
+app.get('/mars', function(req, res) {
+    res.send('Hello Mars!\n');
+    });
+