diff --git a/config/secrets.env.example b/config/secrets.env.example
index 1f75d32..5d2266e 100644
--- a/config/secrets.env.example
+++ b/config/secrets.env.example
@@ -69,6 +69,16 @@ SDK_INTERNAL_TOKEN=
 XUQM_STORE_SECRET_MASTER_KEY=
 XUQM_STORE_SECRET_KEY_VERSION=v1
 
+# =============================================================================
+# SDK 配置与插件发布清单签名密钥（首次安装自动生成，禁止手工轮换）
+# =============================================================================
+
+# Ed25519 PKCS#8 私钥、X.509 公钥及其稳定标识。三项必须作为同一组备份和恢复；
+# 缺少任意一项时服务会拒绝启动，避免生成无法验证的新配置。
+SDK_CONFIG_SIGNING_PRIVATE_KEY_BASE64=
+SDK_CONFIG_SIGNING_PUBLIC_KEY_BASE64=
+SDK_CONFIG_SIGNING_KEY_ID=
+
 # =============================================================================
 # SMTP 邮件密码（发送验证码邮件）
 # =============================================================================
diff --git a/scripts/deploy.sh b/scripts/deploy.sh
index ab436fd..4e682c0 100755
--- a/scripts/deploy.sh
+++ b/scripts/deploy.sh
@@ -438,6 +438,14 @@ EOF
 chmod 600 "$ROOT_DIR/config/secrets.env"
 ok "config/secrets.env 已写入 (chmod 600)"
 
+# 为 SDK 加密配置与插件发布清单生成部署独享 Ed25519 信任根。私钥只保存在
+# secrets.env，安装输出和交付文档均不得展示其内容。
+# shellcheck disable=SC1091
+. "$ROOT_DIR/scripts/lib.sh"
+ensure_sdk_config_signing_keypair "$ROOT_DIR/config/secrets.env" \
+  || fail "SDK 配置签名密钥初始化失败"
+ok "SDK 配置签名密钥已生成"
+
 # config/xuqm.env — 业务服务容器内配置（全服务开启）
 cat > "$ROOT_DIR/config/xuqm.env" <<EOF
 # =============================================================================
diff --git a/scripts/lib.sh b/scripts/lib.sh
index cdd606c..6e51053 100755
--- a/scripts/lib.sh
+++ b/scripts/lib.sh
@@ -105,6 +105,51 @@ ensure_env_value() {
   fi
 }
 
+ensure_sdk_config_signing_keypair() {
+  local secrets_file="${1:-$ROOT_DIR/config/secrets.env}"
+  local private_key public_key key_id key_dir
+
+  if [ ! -f "$secrets_file" ]; then
+    mkdir -p "$(dirname "$secrets_file")"
+    cp "$ROOT_DIR/config/secrets.env.example" "$secrets_file"
+    chmod 600 "$secrets_file" || true
+  fi
+  private_key="$(grep '^SDK_CONFIG_SIGNING_PRIVATE_KEY_BASE64=' "$secrets_file" 2>/dev/null | cut -d= -f2- || true)"
+  public_key="$(grep '^SDK_CONFIG_SIGNING_PUBLIC_KEY_BASE64=' "$secrets_file" 2>/dev/null | cut -d= -f2- || true)"
+  key_id="$(grep '^SDK_CONFIG_SIGNING_KEY_ID=' "$secrets_file" 2>/dev/null | cut -d= -f2- || true)"
+
+  if [ -n "$private_key" ] && [ -n "$public_key" ] && [ -n "$key_id" ]; then
+    return 0
+  fi
+  if [ -n "$private_key" ] || [ -n "$public_key" ] || [ -n "$key_id" ]; then
+    printf 'SDK 配置签名密钥只配置了一部分，拒绝自动轮换；请恢复完整密钥对后重试\n' >&2
+    return 1
+  fi
+  command -v openssl >/dev/null 2>&1 || {
+    printf '生成 SDK 配置签名密钥需要 openssl\n' >&2
+    return 1
+  }
+
+  key_dir="$(mktemp -d "${TMPDIR:-/tmp}/xuqm-config-signing.XXXXXX")"
+  if ! openssl genpkey -algorithm Ed25519 -out "$key_dir/private.pem" >/dev/null 2>&1 ||
+     ! openssl pkey -in "$key_dir/private.pem" -outform DER -out "$key_dir/private.der" >/dev/null 2>&1 ||
+     ! openssl pkey -in "$key_dir/private.pem" -pubout -outform DER -out "$key_dir/public.der" >/dev/null 2>&1; then
+    rm -rf "$key_dir"
+    printf '生成 Ed25519 SDK 配置签名密钥失败\n' >&2
+    return 1
+  fi
+
+  private_key="$(base64 < "$key_dir/private.der" | tr -d '\r\n')"
+  public_key="$(base64 < "$key_dir/public.der" | tr -d '\r\n')"
+  key_id="private-$(openssl dgst -sha256 "$key_dir/public.der" | awk '{print substr($NF,1,16)}')"
+  rm -rf "$key_dir"
+
+  set_env_value "$secrets_file" "SDK_CONFIG_SIGNING_PRIVATE_KEY_BASE64" "$private_key"
+  set_env_value "$secrets_file" "SDK_CONFIG_SIGNING_PUBLIC_KEY_BASE64" "$public_key"
+  set_env_value "$secrets_file" "SDK_CONFIG_SIGNING_KEY_ID" "$key_id"
+  chmod 600 "$secrets_file" || true
+}
+
 profile_contains() {
   local profiles="$1"
   local target="$2"
diff --git a/scripts/reset.sh b/scripts/reset.sh
index 5cd1d69..429f1f2 100644
--- a/scripts/reset.sh
+++ b/scripts/reset.sh
@@ -102,6 +102,13 @@ if ! grep -q "^XUQM_STORE_SECRET_MASTER_KEY=." "$ROOT_DIR/config/secrets.env" 2>
   ok "secrets.env 已生成应用商店监测加密主密钥"
 fi
 
+# reset 也可能是旧部署升级后的首次入口，必须补齐服务启动所需的签名信任根。
+# shellcheck disable=SC1091
+. "$ROOT_DIR/scripts/lib.sh"
+ensure_sdk_config_signing_keypair "$ROOT_DIR/config/secrets.env" \
+  || fail "SDK 配置签名密钥初始化失败"
+ok "SDK 配置签名密钥已就绪"
+
 _CONSOLE_DOMAIN="$(grep '^CONSOLE_DOMAIN=' "$ROOT_DIR/config/xuqm.env" 2>/dev/null \
   | cut -d= -f2- | tr -d '"' | tr -d "'")"
 ok "CONSOLE_DOMAIN=${_CONSOLE_DOMAIN:-（未设置）}"
diff --git a/scripts/update.sh b/scripts/update.sh
index f59f34a..bbec1b8 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -158,6 +158,14 @@ if ! grep -q "^XUQM_STORE_SECRET_MASTER_KEY=." "$ROOT_DIR/config/secrets.env" 2>
   ok "secrets.env 已生成应用商店监测加密主密钥"
 fi
 
+# Config V2 和插件发布清单共用部署独享的 Ed25519 信任根。旧部署没有该密钥时
+# 生成一次并永久保留；只存在半套配置时拒绝自动轮换，避免已签发配置突然失效。
+# shellcheck disable=SC1091
+. "$ROOT_DIR/scripts/lib.sh"
+ensure_sdk_config_signing_keypair "$ROOT_DIR/config/secrets.env" \
+  || fail "SDK 配置签名密钥初始化失败"
+ok "SDK 配置签名密钥已就绪"
+
 # 迁移：补齐 PRIVATE_DEPLOY_ROOT（一键更新功能需要此变量，旧版部署升级时自动写入）
 if ! grep -q "^PRIVATE_DEPLOY_ROOT=" "$ROOT_DIR/.env" 2>/dev/null; then
   printf '\nPRIVATE_DEPLOY_ROOT=%s\n' "$ROOT_DIR" >> "$ROOT_DIR/.env"
diff --git a/scripts/verify.sh b/scripts/verify.sh
index 2c2680d..8d6e1c5 100644
--- a/scripts/verify.sh
+++ b/scripts/verify.sh
@@ -216,7 +216,7 @@ fi
 # Redis
 REDIS_CTR="$(container_id redis)"
 if [ -n "$REDIS_CTR" ]; then
-  PING=$(docker exec "$REDIS_CTR" redis-cli -a "${REDIS_PASSWORD:-}" --no-auth-warning PING 2>/dev/null | tr -d '\r')
+  PING=$(docker exec "$REDIS_CTR" redis-cli -a "${REDIS_PASSWORD:-}" --no-auth-warning PING 2>/dev/null | tr -d '\r' || true)
   if [ "$PING" = "PONG" ]; then
     pass "Redis 响应 PONG"
   else
@@ -233,7 +233,7 @@ section "3. 核心服务"
 
 # actuator/health
 HEALTH_BODY=$(http_body "$BASE_URL/actuator/health")
-HEALTH_STATUS=$(echo "$HEALTH_BODY" | grep -o '"status":"[^"]*"' | head -1)
+HEALTH_STATUS=$(echo "$HEALTH_BODY" | grep -o '"status":"[^"]*"' | head -1 || true)
 if [ "$HEALTH_STATUS" = '"status":"UP"' ]; then
   pass "tenant-service actuator/health = UP"
 else
@@ -313,7 +313,7 @@ section "5. 租户登录"
 
 # 获取验证码
 CAPTCHA_RESP=$(http_body "$BASE_URL/api/auth/captcha")
-CAPTCHA_KEY=$(echo "$CAPTCHA_RESP" | grep -o '"key":"[^"]*"' | head -1 | cut -d'"' -f4)
+CAPTCHA_KEY=$(echo "$CAPTCHA_RESP" | grep -o '"key":"[^"]*"' | head -1 | cut -d'"' -f4 || true)
 
 LOGIN_OK=false
 TOKEN=""
@@ -324,7 +324,7 @@ if [ -n "$CAPTCHA_KEY" ]; then
   REDIS_CTR="$(container_id redis)"
   if [ -n "$REDIS_CTR" ]; then
     CAPTCHA_CODE=$(docker exec "$REDIS_CTR" redis-cli -a "${REDIS_PASSWORD:-}" --no-auth-warning \
-      GET "captcha:${CAPTCHA_KEY}" 2>/dev/null | tr -d '\r')
+      GET "captcha:${CAPTCHA_KEY}" 2>/dev/null | tr -d '\r' || true)
 
     if [ -n "$CAPTCHA_CODE" ]; then
       # 尝试登录（用 bootstrap 邮箱）
@@ -336,9 +336,9 @@ if [ -n "$CAPTCHA_KEY" ]; then
         -H 'Content-Type: application/json' \
         -d "{\"account\":\"${BOOTSTRAP_EMAIL}\",\"password\":\"${BOOTSTRAP_PASS}\",\"captchaKey\":\"${CAPTCHA_KEY}\",\"captchaCode\":\"${CAPTCHA_CODE}\"}" 2>/dev/null || true)
 
-      LOGIN_CODE=$(echo "$LOGIN_RESP" | grep -o '"code":[0-9]*' | head -1 | grep -o '[0-9]*')
+      LOGIN_CODE=$(echo "$LOGIN_RESP" | grep -o '"code":[0-9]*' | head -1 | grep -o '[0-9]*' || true)
       if [ "$LOGIN_CODE" = "200" ]; then
-        TOKEN=$(echo "$LOGIN_RESP" | grep -o '"token":"[^"]*"' | cut -d'"' -f4)
+        TOKEN=$(echo "$LOGIN_RESP" | grep -o '"token":"[^"]*"' | cut -d'"' -f4 || true)
         LOGIN_OK=true
         pass "租户登录成功"
       elif [ "$BOOTSTRAP_PASS" = "change-me-on-first-login" ] || [ -z "$BOOTSTRAP_PASS" ]; then
@@ -400,7 +400,7 @@ APP_KEYS=""
 if [ -n "$MYSQL_CTR" ]; then
   APP_KEYS=$(docker exec "$MYSQL_CTR" sh -c \
     "mysql -u${MYSQL_USERNAME:-xuqm} -p${MYSQL_PASSWORD:-} ${MYSQL_DATABASE:-xuqm_private} -N \
-     -e 'SELECT app_key FROM t_app LIMIT 5;'" 2>/dev/null | tr '\n' ' ')
+     -e 'SELECT app_key FROM t_app LIMIT 5;'" 2>/dev/null | tr '\n' ' ' || true)
 fi
 
 if [ -z "$APP_KEYS" ] && [ -n "${DEFAULT_APP_KEY:-}" ]; then
@@ -452,7 +452,7 @@ _IM_APP_KEY=""
 if [ -n "$MYSQL_CTR" ]; then
   _IM_APP_KEY=$(docker exec "$MYSQL_CTR" sh -c \
     "mysql -u${MYSQL_USERNAME:-xuqm} -p${MYSQL_PASSWORD:-} ${MYSQL_DATABASE:-xuqm_private} -N \
-     -e \"SELECT app_key FROM t_app WHERE is_default=1 LIMIT 1;\"" 2>/dev/null | tr -d '\r\n')
+     -e \"SELECT app_key FROM t_app WHERE is_default=1 LIMIT 1;\"" 2>/dev/null | tr -d '\r\n' || true)
 fi
 [ -z "$_IM_APP_KEY" ] && _IM_APP_KEY="${APP_KEYS%% *}"  # 降级到第一个 App Key