diff --git a/content/feedback.js b/content/feedback.js
new file mode 100644
index 0000000..76e473c
--- /dev/null
+++ b/content/feedback.js
@@ -0,0 +1,17 @@
+const NUM_FIELDS = 5;
+
+document.addEventListener('DOMContentLoaded', async () => {
+	const submitBtn = document.querySelector('#ctl00_mainContent_btSendFeedback');
+
+	for (let i = 0; i < NUM_FIELDS; i++) {
+		const checkbox = document.querySelector(`#ctl00_mainContent_reload_ctl0${i}_chkList_0`);
+
+		if (checkbox) {
+			checkbox.checked = true;
+		}
+	}
+
+	if (submitBtn) {
+		submitBtn.click();
+	}
+});
diff --git a/manifest.json b/manifest.json
index 5a8226f..295dd0c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -17,6 +17,12 @@
 			"./utils/storage.js",
 			"./content/google.js"
 		]
+	}, {
+		"matches": [
+			"https://fap.fpt.edu.vn/Feedback/*"
+		],
+		"js": ["./content/feedback.js"],
+		"world": "MAIN"
 	}],
 	"action": {
 		"default_popup": "./popup/popup.html"