diff --git a/Makefile b/Makefile
index e784a36..66e7a11 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: FORCE
+.PHONY: FORCE emblemscanner-release
 
 IMAGE_TAG := $(shell git rev-parse --short HEAD)
 IMAGE_REPO := registry.gitlab.com/euphon/themblem
@@ -129,4 +129,21 @@ opencv.js: opencv/src/LICENSE FORCE
 	    --disable_single_file
 
 alg/qrtool:
-	make -C alg qrtool
\ No newline at end of file
+	make -C alg qrtool
+
+RELEASE_VERSION := $(shell git describe --tags --abbrev=0 | sed 's/^emblemscanner-//')
+
+emblemscanner-release: build/emblemscanner-$(RELEASE_VERSION).tar.gz
+
+build/emblemscanner-$(RELEASE_VERSION).tar.gz:
+	# if tree dirty or git head not tagged, error out
+	git diff --exit-code
+	if test -z "$(RELEASE_VERSION)"; then \
+		echo "RELEASE_VERSION is empty"; \
+		exit 1; \
+	fi
+	if [ $(shell git rev-parse emblemscanner-$(RELEASE_VERSION)) != $(shell git rev-parse HEAD) ]; then \
+		echo "git head not tagged as $(RELEASE_VERSION)"; \
+		exit 1; \
+	fi
+	tar -czvf build/emblemscanner-$(RELEASE_VERSION).tar.gz -C scanner pages/emblemscanner
\ No newline at end of file
diff --git a/scanner/CLAUDE.md b/scanner/CLAUDE.md
index f2b72b8..e292a0b 100644
--- a/scanner/CLAUDE.md
+++ b/scanner/CLAUDE.md
@@ -59,5 +59,5 @@ This is a WeChat Mini Program project. Development is done through WeChat Develo
 
 - `https://themblem.com/api/v1/camera-rules/` - Device-specific camera settings
 - `https://themblem.com/api/v1/check-auto-torch/` - Auto torch functionality
-- `https://whatsmyip.hondcloud.com` - IP address detection
-- `https://research.themblem.com/event/` - Event tracking endpoint
\ No newline at end of file
+- `https://whatsmyip.themblem.com` - IP address detection
+- `https://research.themblem.com/event/` - Event tracking endpoint
diff --git a/scanner/app.js b/scanner/app.js
index 498db67..0dd5847 100644
--- a/scanner/app.js
+++ b/scanner/app.js
@@ -43,7 +43,7 @@ App({
   get_real_ip() {
     this.globalData.real_ip = "0.0.0.0";
     wx.request({
-        url: "https://whatsmyip.hondcloud.com",
+        url: "https://whatsmyip.themblem.com",
         success: (res) => {
             var rip = res.data;
             console.log("my real ip:", rip);
diff --git a/scanner/pages/emblemscanner/emblemscanner.js b/scanner/pages/emblemscanner/emblemscanner.js
index fdac25a..3052a93 100644
--- a/scanner/pages/emblemscanner/emblemscanner.js
+++ b/scanner/pages/emblemscanner/emblemscanner.js
@@ -420,12 +420,12 @@ Page({
     });
     
     this.log(`Camera set initial zoom to ${initial_zoom}x, will zoom in to ${zoom}x when QR is found`);
-    this.camera_context.setZoom({ zoom: initial_zoom });
+    this.camera_context.setZoom({ zoom: 6 });
     
     // Set up zoom-in behavior when QR is found
     this.on_first_qr_found = () => {
       this.log(`First QR found, zoom to ${zoom}x`);
-      this.camera_context.setZoom({ zoom: zoom });
+      this.camera_context.setZoom({ zoom: 6 });
       this.setData({
         zoom: zoom,
         qrmarkers_class: '',
diff --git a/scanner/pages/emblemscanner/libemblemscanner.js b/scanner/pages/emblemscanner/libemblemscanner.js
index 8d73932..51a47ff 100644
--- a/scanner/pages/emblemscanner/libemblemscanner.js
+++ b/scanner/pages/emblemscanner/libemblemscanner.js
@@ -98,7 +98,7 @@ function make_query(zoom, return_page, real_ip, tenant_id) {
  */
 function fetch_real_ip(callback) {
   wx.request({
-    url: 'https://whatsmyip.hondcloud.com',
+    url: 'https://whatsmyip.themblem.com',
     success: (res) => {
       const ip = res.data || '';
       console.log('Real IP fetched:', ip);
@@ -139,4 +139,4 @@ module.exports = {
   fetch_real_ip,
   get_tenant_id,
   is_emblem_qr_pattern
-};
\ No newline at end of file
+};