diff --git a/.vscode/settings.json b/.vscode/settings.json
index 6dd64cb..25eabfe 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -6,5 +6,8 @@
     "[typescript]": {
         "editor.formatOnSave": true,
         "editor.defaultFormatter": "biomejs.biome"
-    }
+    },
+    "cSpell.words": [
+        "indexmap"
+    ]
 }
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 8d5146f..8db82f4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -166,6 +166,12 @@ dependencies = [
  "windows",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "erg_common"
 version = "0.6.53-nightly.2"
@@ -260,6 +266,12 @@ dependencies = [
  "ahash",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -405,6 +417,16 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c9c992b02b5b4c94ea26e32fe5bccb7aa7d9f390ab5c1221ff895bc7ea8b652"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.15.2",
+]
+
 [[package]]
 name = "is-macro"
 version = "0.3.7"
@@ -502,7 +524,7 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ea0ed76adf7defc1a92240b5c36d5368cfe9251640dcce5bd2d0b7c1fd87aeb"
 dependencies = [
- "hashbrown",
+ "hashbrown 0.14.5",
  "itertools",
  "libm",
  "ryu",
@@ -733,6 +755,7 @@ dependencies = [
  "erg_common",
  "erg_compiler",
  "glob",
+ "indexmap",
  "pylyzer_core",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 4b2079a..ae4d007 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,6 +54,7 @@ pylyzer_core = { version = "0.0.81", path = "./crates/pylyzer_core" }
 erg_common = { workspace = true }
 els = { workspace = true }
 glob = "0.3.2"
+indexmap = "2.7.1"
 
 [dev-dependencies]
 erg_compiler = { workspace = true }
diff --git a/src/config.rs b/src/config.rs
index 0f19bc6..e0e85ce 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -6,6 +6,7 @@ use erg_common::config::{ErgConfig, ErgMode};
 use erg_common::io::Input;
 use erg_common::pathutil::project_entry_file_of;
 use erg_common::switch_lang;
+use indexmap::IndexSet;
 
 use crate::copy::clear_cache;
 
@@ -49,7 +50,7 @@ OPTIONS
     --clear-cache                        キャッシュをクリア
     --code/-c cmd                        文字列をプログラムに渡す
     --dump-decl                          型宣言ファイルを出力
-    --disable                            指定した機能を無効化",
+    --disable feat                       指定した機能を無効化",
 
     "simplified_chinese" =>
     "\
@@ -67,7 +68,7 @@ OPTIONS
     --clear-cache                        清除缓存
     --code/-c cmd                        作为字符串传入程序
     --dump-decl                          输出类型声明文件
-    --disable                            禁用指定功能",
+    --disable feat                       禁用指定功能",
 
     "traditional_chinese" =>
         "\
@@ -85,7 +86,7 @@ OPTIONS
     --clear-cache                        清除快取
     --code/-c cmd                        作為字串傳入程式
     --dump-decl                          輸出類型宣告檔案
-    --disable                            禁用指定功能",
+    --disable feat                       禁用指定功能",
 
     "english" =>
         "\
@@ -103,7 +104,7 @@ OPTIONS
     --clear-cache                        clear cache
     --code/-c cmd                        program passed in as string
     --dump-decl                          output type declaration file
-    --disable                            disable specified features",
+    --disable feat                       disable specified features",
     )
 }
 
@@ -213,21 +214,53 @@ For more information try `pylyzer --help`"
     cfg
 }
 
-pub(crate) fn files_to_be_checked() -> Vec<PathBuf> {
-    let file_or_patterns = env::args()
-        .skip(1)
-        .rev()
-        .take_while(|arg| !arg.starts_with("-"));
-    let mut files = vec![];
+pub(crate) fn files_to_be_checked() -> IndexSet<Result<PathBuf, String>> {
+    let mut file_or_patterns = vec![];
+    let mut args = env::args().skip(1);
+    while let Some(arg) = &args.next() {
+        match arg.as_str() {
+            "--" => {
+                // Discard runtime args
+                break;
+            }
+            "--code" | "-c" | "--disable" | "--verbose" => {
+                // Skip options
+                let _ = &args.next();
+                continue;
+            }
+            file_or_pattern if file_or_pattern.starts_with("-") => {
+                // Skip flags
+                continue;
+            }
+
+            file_or_pattern => file_or_patterns.push(file_or_pattern.to_owned()),
+        }
+    }
+    let mut files = IndexSet::new();
     for file_or_pattern in file_or_patterns {
         if PathBuf::from(&file_or_pattern).is_file() {
-            files.push(PathBuf::from(&file_or_pattern));
+            files.insert(Ok(PathBuf::from(&file_or_pattern)));
         } else {
-            for entry in glob::glob(&file_or_pattern).expect("Failed to read glob pattern") {
-                match entry {
-                    Err(e) => eprintln!("err: {e}"),
-                    Ok(path) if path.is_file() => files.push(path),
-                    _ => {}
+            let entries = glob::glob(&file_or_pattern);
+            match entries {
+                Err(_) => {
+                    files.insert(Err(file_or_pattern));
+                    continue;
+                }
+                Ok(entries) => {
+                    let mut entries = entries.into_iter().peekable();
+                    if entries.peek().is_none() {
+                        files.insert(Err(file_or_pattern));
+                    }
+                    for entry in entries {
+                        match entry {
+                            Err(e) => eprintln!("err: {e}"),
+                            Ok(path) if path.is_file() => {
+                                files.insert(Ok(path));
+                            }
+                            _ => {}
+                        }
+                    }
                 }
             }
         }
diff --git a/src/main.rs b/src/main.rs
index 2cc7515..fb7ddd9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,6 +4,8 @@ mod copy;
 use els::Server;
 use erg_common::config::ErgMode;
 use erg_common::spawn::exec_new_thread;
+use erg_common::style::colors::RED;
+use erg_common::style::RESET;
 use pylyzer_core::{PythonAnalyzer, SimplePythonParser};
 
 use crate::config::files_to_be_checked;
@@ -23,11 +25,21 @@ fn run() {
             code = analyzer.run();
         } else {
             for path in files {
-                let cfg = cfg.inherit(path);
-                let mut analyzer = PythonAnalyzer::new(cfg);
-                let c = analyzer.run();
-                if c != 0 {
-                    code = 1;
+                match path {
+                    Err(invalid_file_or_pattern) => {
+                        if code == 0 {
+                            code = 1;
+                        }
+                        println!("{RED}Invalid file or pattern{RESET}: {invalid_file_or_pattern}");
+                    }
+                    Ok(path) => {
+                        let cfg = cfg.inherit(path);
+                        let mut analyzer = PythonAnalyzer::new(cfg);
+                        let c = analyzer.run();
+                        if c != 0 {
+                            code = 1;
+                        }
+                    }
                 }
             }
         }