diff --git a/desktop/README.md b/desktop/README.md
index 9901fe4..c990d54 100644
--- a/desktop/README.md
+++ b/desktop/README.md
@@ -60,6 +60,16 @@ export APPLE_TEAM_ID="..."
 
 公証까지 완료되면 Gatekeeper 경고 없이 설치됩니다.
 
+#### 실행 직후 바로 종료되는 경우
+
+구버전 dmg(0.1.1 이전)는 Tauri updater가 `http://` 엔드포인트를 release 빌드에서 거부해 **시작 즉시 panic**합니다.  
+**최신 dmg를 다시 빌드·다운로드**하세요. 터미널에서 확인:
+
+```bash
+/Applications/GoldenChart.app/Contents/MacOS/goldenchart-desktop
+# InsecureTransportProtocol / updater 오류 → dmg 재설치 필요
+```
+
 ## 주요 기능
 
 - **위젯 OS 창**: `WebviewWindow` + `widget.html`
diff --git a/desktop/src-tauri/tauri.conf.json b/desktop/src-tauri/tauri.conf.json
index 8364b36..98ca7f3 100644
--- a/desktop/src-tauri/tauri.conf.json
+++ b/desktop/src-tauri/tauri.conf.json
@@ -52,7 +52,7 @@
   "plugins": {
     "updater": {
       "endpoints": [
-        "http://exdev.co.kr/desktop/updates/latest.json"
+        "https://exdev.co.kr/desktop/updates/latest.json"
       ],
       "pubkey": "REPLACE_WITH_TAURI_SIGNER_PUBKEY"
     }
diff --git a/scripts/generate-desktop-latest-json.mjs b/scripts/generate-desktop-latest-json.mjs
index fa91008..a276856 100644
--- a/scripts/generate-desktop-latest-json.mjs
+++ b/scripts/generate-desktop-latest-json.mjs
@@ -6,7 +6,7 @@
  *   node scripts/generate-desktop-latest-json.mjs \
  *     --version 0.1.0 \
  *     --dir dist-desktop/updates \
- *     --base-url http://exdev.co.kr/desktop/updates \
+ *     --base-url https://exdev.co.kr/desktop/updates \
  *     --notes "Release notes"
  */
 import fs from 'node:fs';
@@ -19,7 +19,7 @@ function arg(name, fallback) {
 
 const version = arg('--version', '0.1.0');
 const dir = path.resolve(arg('--dir', 'dist-desktop/updates'));
-const baseUrl = (arg('--base-url', 'http://exdev.co.kr/desktop/updates')).replace(/\/$/, '');
+const baseUrl = (arg('--base-url', 'https://exdev.co.kr/desktop/updates')).replace(/\/$/, '');
 const notes = arg('--notes', `GoldenChart Desktop ${version}`);
 
 if (!fs.existsSync(dir)) {
diff --git a/scripts/jenkins-desktop-pipeline.sh b/scripts/jenkins-desktop-pipeline.sh
index 7f31c49..61157a4 100755
--- a/scripts/jenkins-desktop-pipeline.sh
+++ b/scripts/jenkins-desktop-pipeline.sh
@@ -55,7 +55,7 @@ fi
 
 WORK_TREE="$WORK_TREE" \
 ARTIFACT_DIR="$ROOT/dist-desktop" \
-DESKTOP_UPDATE_BASE_URL="${DESKTOP_UPDATE_BASE_URL:-http://exdev.co.kr/desktop/updates}" \
+DESKTOP_UPDATE_BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}" \
 TAURI_SIGNER_KEY="${TAURI_SIGNER_KEY:-$HOME/.tauri/goldenchart.key}" \
 DESKTOP_RELEASE_NOTES="${DESKTOP_RELEASE_NOTES:-Build ${BUILD_NUMBER:-local}}" \
 "$ROOT/scripts/publish-desktop-update.sh"
diff --git a/scripts/prepare-tauri-build.sh b/scripts/prepare-tauri-build.sh
old mode 100644
new mode 100755
index d02000c..1f2905e
--- a/scripts/prepare-tauri-build.sh
+++ b/scripts/prepare-tauri-build.sh
@@ -24,8 +24,10 @@ conf.bundle = conf.bundle || {};
 conf.bundle.createUpdaterArtifacts = enable;
 conf.plugins = conf.plugins || {};
 conf.plugins.updater = conf.plugins.updater || {};
-if (!conf.plugins.updater.endpoints?.length) {
-  conf.plugins.updater.endpoints = ['http://exdev.co.kr/desktop/updates/latest.json'];
+conf.plugins.updater.endpoints = (conf.plugins.updater.endpoints || [])
+  .map((u) => String(u).replace(/^http:\\/\\/exdev\\.co\\.kr\\//, 'https://exdev.co.kr/'));
+if (!conf.plugins.updater.endpoints.length) {
+  conf.plugins.updater.endpoints = ['https://exdev.co.kr/desktop/updates/latest.json'];
 }
 if (!conf.plugins.updater.pubkey) {
   conf.plugins.updater.pubkey = 'REPLACE_WITH_TAURI_SIGNER_PUBKEY';
diff --git a/scripts/publish-desktop-update.sh b/scripts/publish-desktop-update.sh
index ef8dcb7..956dcb4 100755
--- a/scripts/publish-desktop-update.sh
+++ b/scripts/publish-desktop-update.sh
@@ -7,7 +7,7 @@ ARTIFACT_DIR="${ARTIFACT_DIR:-$ROOT/dist-desktop}"
 UPDATES_SRC="${UPDATES_SRC:-$ARTIFACT_DIR/updates}"
 UPDATES_DIR="${UPDATES_DIR:-${WORK_TREE:-$ROOT}/frontend/public/desktop/updates}"
 WEB_STATIC_DIR="${WEB_STATIC_DIR:-$UPDATES_DIR}"
-BASE_URL="${DESKTOP_UPDATE_BASE_URL:-http://exdev.co.kr/desktop/updates}"
+BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}"
 DESKTOP_RELEASE_DIR="${GC_DESKTOP_APP_RELEASE_DIR:-$ROOT/data/desktop-releases}"
 KEY_PATH="${TAURI_SIGNER_KEY:-$HOME/.tauri/goldenchart.key}"
 DESKTOP_DIR="$ROOT/desktop"
diff --git a/scripts/server-install-desktop-jenkins.sh b/scripts/server-install-desktop-jenkins.sh
index 7c176b7..c414901 100755
--- a/scripts/server-install-desktop-jenkins.sh
+++ b/scripts/server-install-desktop-jenkins.sh
@@ -57,7 +57,7 @@ export BUILD_NUMBER="\${BUILD_NUMBER}"
 export TAURI_SIGNER_KEY="\${TAURI_SIGNER_KEY:-\$HOME/.tauri/goldenchart.key}"
 export DESKTOP_BUMP_ON_CI=1
 export DESKTOP_DEPLOY_WEB=0
-export DESKTOP_UPDATE_BASE_URL="${DESKTOP_UPDATE_BASE_URL:-http://exdev.co.kr/desktop/updates}"
+export DESKTOP_UPDATE_BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}"
 "${WORK_TREE}/scripts/jenkins-desktop-pipeline.sh"
 </command>
     </hudson.tasks.Shell>
diff --git a/scripts/smoke-test-desktop.sh b/scripts/smoke-test-desktop.sh
index 6afe300..2925be4 100755
--- a/scripts/smoke-test-desktop.sh
+++ b/scripts/smoke-test-desktop.sh
@@ -3,7 +3,7 @@
 set -euo pipefail
 
 ROOT="$(cd "$(dirname "$0")/.." && pwd)"
-BASE_URL="${DESKTOP_UPDATE_BASE_URL:-http://exdev.co.kr/desktop/updates}"
+BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}"
 FAIL=0
 
 ok() { echo "[OK] $*"; }