diff --git a/.zprofile b/.zprofile
index e134cae..ee1748f 100644
--- a/.zprofile
+++ b/.zprofile
@@ -42,7 +42,7 @@ export HISTFILE="$XDG_DATA_HOME"/zsh/history
 
 ### 终端
 export INPUTRC="$XDG_CONFIG_HOME"/readline/inputrc
-export MANPAGER="nvim +Man! --cmd 'let pager=1'"
+export MANPAGER="nvim +Man!"
 
 ### GnuPG
 export GNUPGHOME="$XDG_DATA_HOME"/gnupg
@@ -89,12 +89,15 @@ export GLFW_IM_MODULE=ibus
 # }}}
 
 # 同步所有环境变量到所有systemd将要启动的程序
-dbus-update-activation-environment --systemd --all
+command -v dbus-update-activation-environment &>/dev/null && \
+    dbus-update-activation-environment --systemd --all 2>/dev/null
 
 # NOTE: 直接在登录shell中自启桌面环境
-# 只在桌面环境使用中文
 if [[ ! $DISPLAY && $XDG_VTNR -eq 1 ]]; then
-    dbus-update-activation-environment --systemd LANG=zh_CN.UTF-8
+    # 只在桌面环境使用中文
+    command -v dbus-update-activation-environment &>/dev/null && \
+        dbus-update-activation-environment --systemd LANG=zh_CN.UTF-8 2>/dev/null
+
     if true; then
         LANG=zh_CN.UTF-8 xinit qtile start
     else
diff --git a/.zshrc b/.zshrc
index c3ca69d..c20ee10 100644
--- a/.zshrc
+++ b/.zshrc
@@ -59,7 +59,8 @@ setopt hist_ignore_space    # 不记录空格开头的命令
 if [[ -f "$Z_ZINIT_BIN" ]]; then
     source "$Z_ZINIT_BIN"
 else
-    echo "zinit not found" >/dev/stderr
+    echo "zinit: not found" >/dev/stderr
+    zinit() {}
 fi
 
 declare -A ZINIT