diff --git a/scripts/common.sh b/scripts/common.sh
index 7539e9f5..824f7d99 100644
--- a/scripts/common.sh
+++ b/scripts/common.sh
@@ -328,9 +328,10 @@ ctms_require_dependencies() {
   fi
 }
 
-# ── 长命令执行（折叠输出 + spinner） ──────────
+# ── 长命令执行（默认 spinner，可选实时日志窗口） ──
 # 用法: ctms_run_quiet <提示语> -- <命令...>
-# VERBOSE=1 时展开实时输出；否则折叠为 spinner，失败时回放完整日志。
+# CTMS_LIVE_OUTPUT=1 时显示最近几行；VERBOSE=1 时展开全部实时输出。
+# 其他情况仅显示 spinner，失败时回放完整日志。
 ctms_run_quiet() {
   local label="$1"; shift
   [[ "${1:-}" == "--" ]] && shift
@@ -351,13 +352,21 @@ ctms_run_quiet() {
   if [[ -t 1 ]]; then
     "$@" >"$log_file" 2>&1 &
     local cmd_pid=$!
-    _ctms_spinner "$cmd_pid" "$label" "$start_ts" &
-    local spin_pid=$!
+    if [[ "${CTMS_LIVE_OUTPUT:-0}" -eq 1 ]]; then
+      _ctms_live_log "$cmd_pid" "$label" "$start_ts" "$log_file" &
+    else
+      _ctms_spinner "$cmd_pid" "$label" "$start_ts" &
+    fi
+    local display_pid=$!
     wait "$cmd_pid"
     exit_code=$?
-    kill "$spin_pid" 2>/dev/null || true
-    wait "$spin_pid" 2>/dev/null || true
-    printf '\r\033[K'
+    kill "$display_pid" 2>/dev/null || true
+    wait "$display_pid" 2>/dev/null || true
+    if [[ "${CTMS_LIVE_OUTPUT:-0}" -eq 1 ]]; then
+      _ctms_clear_live_log
+    else
+      printf '\r\033[K'
+    fi
   else
     printf '  %s%s%s %s …\n' "${CC_MUTED}" "$ICON_INFO" "${C_RESET}" "$label"
     "$@" >"$log_file" 2>&1
@@ -379,12 +388,17 @@ ctms_run_quiet() {
   ctms_fail "命令执行失败，详细日志保留于：${log_file#"$CTMS_ROOT_DIR"/}（追加 --verbose 可看实时输出）"
 }
 
+# 固定占用 9 行：上边框 + 6 行日志 + 下边框 + 状态行。
+# 日志行会截断，避免终端自动换行破坏 ANSI 光标定位。
+_CTMS_LIVE_LOG_ROWS=6
+_CTMS_LIVE_LOG_HEIGHT=9
+
 _ctms_spinner() {
   local cmd_pid="$1" label="$2" start_ts="$3"
   local frames=('⠋' '⠙' '⠹' '⠸' '⠼' '⠴' '⠦' '⠧' '⠇' '⠏')
-  local i=0
+  local i=0 elapsed
   while kill -0 "$cmd_pid" 2>/dev/null; do
-    local elapsed=$(( $(date +%s) - start_ts ))
+    elapsed=$(( $(date +%s) - start_ts ))
     printf '\r\033[K  %s%s%s %s %s(%ss)%s' \
       "${CC_INFO}${C_BOLD}" "${frames[i]}" "${C_RESET}" \
       "$label" "${CC_MUTED}" "$elapsed" "${C_RESET}"
@@ -393,6 +407,82 @@ _ctms_spinner() {
   done
 }
 
+_ctms_live_log() {
+  local cmd_pid="$1" label="$2" start_ts="$3" log_file="$4"
+  local frames=('⠋' '⠙' '⠹' '⠸' '⠼' '⠴' '⠦' '⠧' '⠇' '⠏')
+  local i=0 first=1
+  local columns box_width content_width elapsed line row
+  local -a lines=()
+
+  columns="$(tput cols 2>/dev/null || printf 80)"
+  [[ "$columns" =~ ^[0-9]+$ ]] || columns=80
+  box_width=$(( columns - 4 ))
+  [[ "$box_width" -gt 100 ]] && box_width=100
+  [[ "$box_width" -lt 50 ]] && box_width=50
+  content_width=$(( box_width - 4 ))
+
+  while kill -0 "$cmd_pid" 2>/dev/null; do
+    lines=()
+    while IFS= read -r line; do
+      lines+=("$line")
+    done < <(_ctms_recent_log_lines "$log_file" "$_CTMS_LIVE_LOG_ROWS" "$content_width")
+
+    if [[ "$first" -eq 0 ]]; then
+      printf '\r\033[%dA' "$(( _CTMS_LIVE_LOG_HEIGHT - 1 ))"
+    fi
+
+    printf '\033[2K  %s╭─ 实时输出 %s╮%s\n' \
+      "${CC_PRIMARY}${C_BOLD}" "$(ctms_repeat_char '─' "$(( box_width - 14 ))")" "${C_RESET}"
+    for ((row=0; row<_CTMS_LIVE_LOG_ROWS; row++)); do
+      line="${lines[$row]:-}"
+      printf '\033[2K  %s│%s %-*s %s│%s\n' \
+        "${CC_PRIMARY}" "${C_RESET}${CC_MUTED}" "$content_width" "$line" "${CC_PRIMARY}" "${C_RESET}"
+    done
+    printf '\033[2K  %s╰%s╯%s\n' \
+      "${CC_PRIMARY}" "$(ctms_repeat_char '─' "$(( box_width - 2 ))")" "${C_RESET}"
+    elapsed=$(( $(date +%s) - start_ts ))
+    printf '\033[2K  %s%s%s %s %s(%ss)%s' \
+      "${CC_INFO}${C_BOLD}" "${frames[i]}" "${C_RESET}" \
+      "$label" "${CC_MUTED}" "$elapsed" "${C_RESET}"
+
+    first=0
+    i=$(( (i + 1) % ${#frames[@]} ))
+    sleep 0.2
+  done
+}
+
+_ctms_recent_log_lines() {
+  local log_file="$1" rows="$2" width="$3"
+  [[ -s "$log_file" ]] || return 0
+
+  if [[ "$_CTMS_HAS_PERL" -eq 1 ]]; then
+    # 只读取文件尾部，清除颜色/光标控制符，并把 Docker 的 CR 进度输出拆成独立行。
+    tail -n 80 "$log_file" | perl -CSDA -pe '
+      s/\e\[[0-9;?]*[ -\/]*[@-~]//g;
+      s/\e[()][0-9A-Za-z]//g;
+      s/\r/\n/g;
+    ' | tail -n "$rows" | perl -CSDA -Mutf8 -pe \
+      'BEGIN { $width = shift @ARGV } chomp; $_ = substr($_, 0, $width) . "\n";' "$width"
+  else
+    local esc
+    esc="$(printf '\033')"
+    tail -n 80 "$log_file" \
+      | tr '\r' '\n' \
+      | sed -e "s/${esc}\\[[0-9;?]*[A-Za-z]//g" -e "s/${esc}[()][0-9A-Za-z]//g" \
+      | tail -n "$rows" \
+      | cut -c "1-${width}"
+  fi
+}
+
+_ctms_clear_live_log() {
+  printf '\r\033[%dA' "$(( _CTMS_LIVE_LOG_HEIGHT - 1 ))"
+  local row
+  for ((row=0; row<_CTMS_LIVE_LOG_HEIGHT-1; row++)); do
+    printf '\033[2K\n'
+  done
+  printf '\033[2K\033[%dA\r' "$(( _CTMS_LIVE_LOG_HEIGHT - 1 ))"
+}
+
 # ── .env 读写 ─────────────────────────────────
 ctms_read_env_value() {
   local key="$1"
diff --git a/scripts/install.sh b/scripts/install.sh
index 0a1cf80e..0e2aedb5 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -339,9 +339,9 @@ run_build_and_start() {
   else
     step "构建镜像并启动服务"
     if [[ "$TARGET_ENV" == "dev" ]]; then
-      ctms_run_quiet "构建并刷新开发容器（首次较慢）" -- compose_cmd up -d --build --force-recreate backend nginx frontend-dev
+      CTMS_LIVE_OUTPUT=1 ctms_run_quiet "构建并刷新开发容器（首次较慢）" -- compose_cmd up -d --build --force-recreate backend nginx frontend-dev
     else
-      ctms_run_quiet "构建镜像并启动容器（首次较慢）" -- compose_cmd up -d --build
+      CTMS_LIVE_OUTPUT=1 ctms_run_quiet "构建镜像并启动容器（首次较慢）" -- compose_cmd up -d --build
     fi
   fi
 }