diff --git a/GeminiCLI/setup-gemini.sh b/GeminiCLI/setup-gemini.sh
index fb449be..a26d39d 100755
--- a/GeminiCLI/setup-gemini.sh
+++ b/GeminiCLI/setup-gemini.sh
@@ -125,7 +125,7 @@ create_settings_file() {
     local api_key="$2"
 
     # Write to .env file
-    cat <<EOF > "$GEMINI_ENV_FILE"
+    cat <<EOF >"$GEMINI_ENV_FILE"
 GOOGLE_GEMINI_BASE_URL="$base_url"
 GEMINI_API_KEY="$api_key"
 GEMINI_MODEL="gemini-3-pro-preview"
@@ -134,7 +134,7 @@ EOF
 
     # Write to settings.json
     local settings_json_path="$GEMINI_CONFIG_DIR/settings.json"
-    cat <<EOF > "$settings_json_path"
+    cat <<EOF >"$settings_json_path"
 {
   "general": {
     "previewFeatures": true
@@ -179,20 +179,20 @@ main() {
 
     while [[ $# -gt 0 ]]; do
         case $1 in
-            -k|--key)
-                api_key="$2"
-                shift 2
-                ;;
-            -t|--test)
-                test_only=true
-                shift
-                ;;
-            -s|--show)
-                show_settings=true
-                shift
-                ;;
-            -h|--help)
-                cat <<EOF
+        -k | --key)
+            api_key="$2"
+            shift 2
+            ;;
+        -t | --test)
+            test_only=true
+            shift
+            ;;
+        -s | --show)
+            show_settings=true
+            shift
+            ;;
+        -h | --help)
+            cat <<EOF
 Usage: $0 [OPTIONS]
 
 This script automatically tests multiple API endpoints and selects the working one:
@@ -216,13 +216,13 @@ Interactive mode (no arguments):
 Environment Variables:
   API_KEY           API key for authentication
 EOF
-                exit 0
-                ;;
-            *)
-                print_error "Unknown option: $1"
-                print_info "Use --help for usage information"
-                exit 1
-                ;;
+            exit 0
+            ;;
+        *)
+            print_error "Unknown option: $1"
+            print_info "Use --help for usage information"
+            exit 1
+            ;;
         esac
     done
 
diff --git a/codex/setup-codex.sh b/codex/setup-codex.sh
index fd323a2..f586b26 100644
--- a/codex/setup-codex.sh
+++ b/codex/setup-codex.sh
@@ -58,7 +58,7 @@ write_env_to_shell() {
 
     # 确保文件末尾有换行
     if [ -s "$rc_file" ] && [ "$(tail -c1 "$rc_file" | wc -l)" -eq 0 ]; then
-        echo "" >> "$rc_file"
+        echo "" >>"$rc_file"
     fi
 
     # 转义特殊字符（使用单引号包裹更安全）
@@ -73,12 +73,12 @@ write_env_to_shell() {
     local tmp_file
     tmp_file=$(mktemp)
     if [ -s "$rc_file" ]; then
-        grep -v "^export $var_name=" "$rc_file" | grep -v "^set -Ux $var_name " > "$tmp_file" 2>/dev/null || true
+        grep -v "^export $var_name=" "$rc_file" | grep -v "^set -Ux $var_name " >"$tmp_file" 2>/dev/null || true
     fi
-    echo "$export_line" >> "$tmp_file"
+    echo "$export_line" >>"$tmp_file"
 
     # 保留原文件权限
-    cat "$tmp_file" > "$rc_file"
+    cat "$tmp_file" >"$rc_file"
     rm -f "$tmp_file"
 
     # 立即生效
diff --git a/setup-claude-code.sh b/setup-claude-code.sh
index 628b86b..d058beb 100644
--- a/setup-claude-code.sh
+++ b/setup-claude-code.sh
@@ -163,7 +163,7 @@ create_settings() {
 
     # Write config.json for VSCode Claude extension
     local config_json_path="$CLAUDE_CONFIG_DIR/config.json"
-    cat <<EOF > "$config_json_path"
+    cat <<EOF >"$config_json_path"
 {
   "primaryApiKey": "xcodecli"
 }