diff --git a/MIGRATION.md b/MIGRATION.md
index 153bc1a..e614994 100644
--- a/MIGRATION.md
+++ b/MIGRATION.md
@@ -43,11 +43,12 @@ git clone https://git.whcself.xyz/WHC/CST-agent.git   # 兼容；请改 origin 
 | 旧 | 新 |
 |---|---|
 | `cst-agent` | `hermit`（安装时仍提供 `cst-agent` → `hermit` 软链） |
-| `cst-agent-update` | 仍可用；内部装的是 `hermit` |
+| `cst-agent-update` | → `hermit-update`（软链；议会助手 → `hermit-service`） |
 | Release `cst-agent-VERSION-linux-*.tar.gz` | `hermit-VERSION-linux-*.tar.gz`（过渡期可能双发） |
 
 ```bash
-hermit --version    # hermit 1.0.0
+hermit --version    # hermit 1.0.x
+hermit-update       # 升级；兼容名 cst-agent-update
 cst-agent --version # 同二进制（软链）
 ```
 
diff --git a/Makefile b/Makefile
index 784a863..8041081 100644
--- a/Makefile
+++ b/Makefile
@@ -323,11 +323,41 @@ clean:
 	rm -f $(OBJ) $(DEPFILES) hermit cst-agent $(CST_CORE_LIB) $(TESTS) \
 		.gen/models_builtin.inc .gen/web_assets.inc
 
+# Absolute checkout path for hermit-update (survives cd). Override with HERMIT_SRC.
+HERMIT_SRC ?= $(abspath .)
+
 install: hermit
 	install -d "$(DESTDIR)$(PREFIX)/bin"
 	install -m 0755 hermit "$(DESTDIR)$(PREFIX)/bin/hermit"
 	ln -sfr "$(DESTDIR)$(PREFIX)/bin/hermit" "$(DESTDIR)$(PREFIX)/bin/cst-agent" 2>/dev/null || \
 	  ln -sf hermit "$(DESTDIR)$(PREFIX)/bin/cst-agent"
+	@# hermit-update / hermit-service (cst-* compat symlinks)
+	@printf '%s\n' '#!/usr/bin/env bash' \
+	  'export HERMIT_PREFIX="$${HERMIT_PREFIX:-$${CST_AGENT_PREFIX:-$(PREFIX)}}"' \
+	  'export CST_AGENT_PREFIX="$$HERMIT_PREFIX"' \
+	  'export HERMIT_DIR="$${HERMIT_DIR:-$${CST_AGENT_DIR:-$(HERMIT_SRC)}}"' \
+	  'export CST_AGENT_DIR="$$HERMIT_DIR"' \
+	  'exec bash "$$HERMIT_DIR/scripts/bootstrap_linux.sh" "$$HERMIT_DIR" "$$@"' \
+	  > "$(DESTDIR)$(PREFIX)/bin/hermit-update"
+	@chmod 0755 "$(DESTDIR)$(PREFIX)/bin/hermit-update"
+	@ln -sfr "$(DESTDIR)$(PREFIX)/bin/hermit-update" "$(DESTDIR)$(PREFIX)/bin/cst-agent-update" 2>/dev/null || \
+	  ln -sf hermit-update "$(DESTDIR)$(PREFIX)/bin/cst-agent-update"
+	@printf '%s\n' '#!/usr/bin/env bash' \
+	  'set -euo pipefail' \
+	  'BIN="$(PREFIX)/bin/hermit"' \
+	  'cmd="$${1:-status}"' \
+	  'case "$$cmd" in' \
+	  'status) "$$BIN" --version; if command -v systemctl >/dev/null 2>&1 && systemctl --user is-active cst-agent-parliament.service >/dev/null 2>&1; then systemctl --user status cst-agent-parliament.service --no-pager; else "$$BIN" --service-stop >/dev/null 2>&1 || true; echo "parliament service: not managed by systemd --user"; fi ;;' \
+	  'install-unit) make -C "$(HERMIT_SRC)" install-service PREFIX="$(PREFIX)" ;;' \
+	  'start) systemctl --user start cst-agent-parliament.service ;;' \
+	  'stop) systemctl --user stop cst-agent-parliament.service; "$$BIN" --service-stop || true ;;' \
+	  'restart) systemctl --user restart cst-agent-parliament.service ;;' \
+	  '*) echo "usage: hermit-service {status|install-unit|start|stop|restart}" >&2; exit 2 ;;' \
+	  'esac' \
+	  > "$(DESTDIR)$(PREFIX)/bin/hermit-service"
+	@chmod 0755 "$(DESTDIR)$(PREFIX)/bin/hermit-service"
+	@ln -sfr "$(DESTDIR)$(PREFIX)/bin/hermit-service" "$(DESTDIR)$(PREFIX)/bin/cst-agent-service" 2>/dev/null || \
+	  ln -sf hermit-service "$(DESTDIR)$(PREFIX)/bin/cst-agent-service"
 	@if [ ! -f res/hermit-icons.ttf ]; then $(MAKE) hermit-font || true; fi
 	@if [ -f res/hermit-icons.ttf ]; then \
 	  install -d "$(DESTDIR)$(PREFIX)/share/hermit"; \
@@ -347,6 +377,7 @@ install: hermit
 	  install -d "$(DESTDIR)$(PREFIX)/share/hermit/frames"; \
 	  cp -a res/hermit-frames/. "$(DESTDIR)$(PREFIX)/share/hermit/frames/"; \
 	fi
+	@echo "installed hermit-update → $(PREFIX)/bin/hermit-update"
 
 # Optional systemd --user unit for the parliament seat service.
 install-service: install
@@ -361,6 +392,8 @@ install-service: install
 
 uninstall:
 	rm -f "$(DESTDIR)$(PREFIX)/bin/hermit" "$(DESTDIR)$(PREFIX)/bin/cst-agent"
+	rm -f "$(DESTDIR)$(PREFIX)/bin/hermit-update" "$(DESTDIR)$(PREFIX)/bin/cst-agent-update"
+	rm -f "$(DESTDIR)$(PREFIX)/bin/hermit-service" "$(DESTDIR)$(PREFIX)/bin/cst-agent-service"
 	rm -f "$(DESTDIR)$(PREFIX)/share/hermit/hermit-icons.ttf"
 	rm -f "$(DESTDIR)$(PREFIX)/share/fonts/hermit/hermit-icons.ttf"
 	rm -rf "$(DESTDIR)$(PREFIX)/share/hermit/frames"
diff --git a/README.md b/README.md
index fe39895..5d13dc7 100644
--- a/README.md
+++ b/README.md
@@ -30,8 +30,8 @@ curl -fsSL https://git.whcself.xyz/WHC/Hermit/raw/branch/main/scripts/bootstrap_
 
 ```bash
 ./scripts/bootstrap_linux.sh .
-hermit --version          # hermit 1.0.0
-cst-agent-update          # 升级助手仍可用
+hermit --version          # hermit 1.0.x
+hermit-update             # 升级（源码或 --release）；兼容 cst-agent-update
 ./scripts/migrate_remote_to_hermit.sh   # 已有 CST-agent 检出时改 origin
 ```
 
diff --git a/include/cst_version.h b/include/cst_version.h
index bf1d5f4..4fcf0b5 100644
--- a/include/cst_version.h
+++ b/include/cst_version.h
@@ -3,7 +3,7 @@
 
 #define CST_VERSION_MAJOR 1
 #define CST_VERSION_MINOR 0
-#define CST_VERSION_PATCH 0
+#define CST_VERSION_PATCH 1
 
 #define CST_VERSION_STR_(x) #x
 #define CST_VERSION_STR(x) CST_VERSION_STR_(x)
diff --git a/scripts/bootstrap_linux.sh b/scripts/bootstrap_linux.sh
index be51e81..48d1297 100755
--- a/scripts/bootstrap_linux.sh
+++ b/scripts/bootstrap_linux.sh
@@ -1,17 +1,18 @@
 #!/usr/bin/env bash
-# Install or upgrade CST-Agent on Linux, WSL or macOS. Safe to rerun: an
+# Install or upgrade Hermit on Linux, WSL or macOS. Safe to rerun: an
 # existing checkout is fast-forwarded, rebuilt and reinstalled.
 #
 #   bootstrap_linux.sh [DIR] [--no-pull] [--release] [--source]
-#   cst-agent-update            (installed by this script; same as rerunning it)
+#   hermit-update               (installed by this script; same as rerunning it)
+#   cst-agent-update            (compat symlink → hermit-update)
 #
 # --release downloads the static musl tarball for this host (fast; no compile).
 # --source (default) builds from the checkout. CST_INSTALL_MODE=release|source
 # overrides the flag.
 #
-# Env: CST_AGENT_PREFIX (install prefix, default ~/.local), CST_AGENT_DIR
-# (checkout, default: current checkout or ~/CST-agent), CST_AGENT_REPO,
-# CST_AGENT_VERSION (pin a release; default: cst_version.h or latest tag).
+# Env: HERMIT_PREFIX / CST_AGENT_PREFIX (install prefix, default ~/.local),
+# HERMIT_DIR / CST_AGENT_DIR (checkout), HERMIT_REPO / CST_AGENT_REPO,
+# HERMIT_VERSION / CST_AGENT_VERSION (pin a release; default: cst_version.h).
 set -euo pipefail
 
 ROOT_HINT="$(cd "$(dirname "$0")/.." 2>/dev/null && pwd || true)"
@@ -80,15 +81,24 @@ install_font() {
 
 install_helpers() {
   local prefix="$1" dir="$2"
+  local bash_bin
+  bash_bin="$(command -v bash)"
   mkdir -p "$prefix/bin"
-  cat >"$prefix/bin/cst-agent-update" <<EOF
-#!$(command -v bash)
-export CST_AGENT_PREFIX="\${CST_AGENT_PREFIX:-$prefix}"
-exec bash "$dir/scripts/bootstrap_linux.sh" "$dir" "\$@"
+  cat >"$prefix/bin/hermit-update" <<EOF
+#!$bash_bin
+# Upgrade Hermit (source build or --release tarball).
+export HERMIT_PREFIX="\${HERMIT_PREFIX:-\${CST_AGENT_PREFIX:-$prefix}}"
+export CST_AGENT_PREFIX="\$HERMIT_PREFIX"
+export HERMIT_DIR="\${HERMIT_DIR:-\${CST_AGENT_DIR:-$dir}}"
+export CST_AGENT_DIR="\$HERMIT_DIR"
+exec bash "$dir/scripts/bootstrap_linux.sh" "\$HERMIT_DIR" "\$@"
 EOF
-  chmod 0755 "$prefix/bin/cst-agent-update"
-  cat >"$prefix/bin/cst-agent-service" <<EOF
-#!$(command -v bash)
+  chmod 0755 "$prefix/bin/hermit-update"
+  ln -sfr "$prefix/bin/hermit-update" "$prefix/bin/cst-agent-update" 2>/dev/null || \
+    ln -sf hermit-update "$prefix/bin/cst-agent-update"
+
+  cat >"$prefix/bin/hermit-service" <<EOF
+#!$bash_bin
 # Manage the parliament seat service (foreground under systemd, or --service).
 set -euo pipefail
 BIN="$prefix/bin/hermit"
@@ -110,12 +120,14 @@ start) systemctl --user start cst-agent-parliament.service ;;
 stop) systemctl --user stop cst-agent-parliament.service; "\$BIN" --service-stop || true ;;
 restart) systemctl --user restart cst-agent-parliament.service ;;
 *)
-  echo "usage: cst-agent-service {status|install-unit|start|stop|restart}" >&2
+  echo "usage: hermit-service {status|install-unit|start|stop|restart}" >&2
   exit 2
   ;;
 esac
 EOF
-  chmod 0755 "$prefix/bin/cst-agent-service"
+  chmod 0755 "$prefix/bin/hermit-service"
+  ln -sfr "$prefix/bin/hermit-service" "$prefix/bin/cst-agent-service" 2>/dev/null || \
+    ln -sf hermit-service "$prefix/bin/cst-agent-service"
 }
 
 # Fast path: fetch static release tarball for this machine.
@@ -129,7 +141,7 @@ install_from_release() {
     echo "no prebuilt release for $(uname -m); use --source" >&2
     return 1
   }
-  local ver="${CST_AGENT_VERSION:-}"
+  local ver="${HERMIT_VERSION:-${CST_AGENT_VERSION:-}}"
   if [[ -z "$ver" ]]; then
     ver="$(cst_version)"
   fi
@@ -161,8 +173,8 @@ install_from_release() {
 }
 
 main() {
-  local repo_url="${CST_AGENT_REPO:-${HERMIT_REPO:-https://git.whcself.xyz/WHC/Hermit.git}}"
-  local prefix="${CST_AGENT_PREFIX:-$HOME/.local}"
+  local repo_url="${HERMIT_REPO:-${CST_AGENT_REPO:-https://git.whcself.xyz/WHC/Hermit.git}}"
+  local prefix="${HERMIT_PREFIX:-${CST_AGENT_PREFIX:-$HOME/.local}}"
   local dir="" pull=1 changed=0 mode="${CST_INSTALL_MODE:-source}" arg
   for arg in "$@"; do
     case "$arg" in
@@ -178,12 +190,16 @@ main() {
     esac
   done
   if [[ -z "$dir" ]]; then
-    if [[ -n "${CST_AGENT_DIR:-}" ]]; then
+    if [[ -n "${HERMIT_DIR:-}" ]]; then
+      dir="$HERMIT_DIR"
+    elif [[ -n "${CST_AGENT_DIR:-}" ]]; then
       dir="$CST_AGENT_DIR"
     elif [[ -f Makefile && -f src/main.c && -d .git ]]; then
       dir="$(pwd)"
     elif [[ -n "$ROOT_HINT" && -f "$ROOT_HINT/Makefile" ]]; then
       dir="$ROOT_HINT"
+    elif [[ -d "$HOME/Hermit/.git" ]]; then
+      dir="$HOME/Hermit"
     else
       dir="$HOME/CST-agent"
     fi
@@ -222,7 +238,7 @@ main() {
       *":$prefix/bin:"*) ;;
       *) echo "Add to PATH: export PATH=\"$prefix/bin:\$PATH\"" ;;
       esac
-      echo "Upgrade: cst-agent-update --release   Rebuild from source: --source"
+      echo "Upgrade: hermit-update --release   Rebuild from source: hermit-update --source"
       return 0
     fi
     echo "==> continuing with source build"
@@ -257,9 +273,9 @@ main() {
   *":$prefix/bin:"*) ;;
   *) echo "Add to PATH: export PATH=\"$prefix/bin:\$PATH\"" ;;
   esac
-  echo "Run 'hermit' (or 'cst-agent') in a project; upgrade with 'cst-agent-update'."
-  echo "Fast upgrade from Release: 'cst-agent-update --release'."
-  echo "Parliament helper: 'cst-agent-service status|install-unit'."
+  echo "Run 'hermit' in a project; upgrade with 'hermit-update' (compat: cst-agent-update)."
+  echo "Fast upgrade from Release: 'hermit-update --release'."
+  echo "Parliament helper: 'hermit-service status|install-unit'."
   echo "The first start asks for the provider and its API key and saves them."
 }
 
diff --git a/scripts/bootstrap_termux.sh b/scripts/bootstrap_termux.sh
index 35d999e..6c8bb7c 100755
--- a/scripts/bootstrap_termux.sh
+++ b/scripts/bootstrap_termux.sh
@@ -75,15 +75,17 @@ main() {
 
   echo "==> install to $PREFIX/bin"
   make install
-  cat >"$PREFIX/bin/cst-agent-update" <<EOF
+  cat >"$PREFIX/bin/hermit-update" <<EOF
 #!$PREFIX/bin/bash
 exec bash "$dir/scripts/bootstrap_termux.sh" "$dir" "\$@"
 EOF
-  chmod 0755 "$PREFIX/bin/cst-agent-update"
+  chmod 0755 "$PREFIX/bin/hermit-update"
+  ln -sfr "$PREFIX/bin/hermit-update" "$PREFIX/bin/cst-agent-update" 2>/dev/null || \
+    ln -sf hermit-update "$PREFIX/bin/cst-agent-update"
 
   echo
-  echo "OK: $("$PREFIX/bin/cst-agent" --version)"
-  echo "Run 'cst-agent' inside a project directory; upgrade later with 'cst-agent-update'."
+  echo "OK: $("$PREFIX/bin/hermit" --version 2>/dev/null || "$PREFIX/bin/cst-agent" --version)"
+  echo "Run 'hermit' inside a project directory; upgrade later with 'hermit-update'."
   echo "The first start asks for the provider and its API key and saves them."
 }