diff --git a/fireblocks_cli/commands/configure.py b/fireblocks_cli/commands/configure.py
index 57a81d4..216b779 100644
--- a/fireblocks_cli/commands/configure.py
+++ b/fireblocks_cli/commands/configure.py
@@ -15,6 +15,8 @@
     DEFAULT_CONFIG,
 )
 from fireblocks_cli.utils.toml import save_toml
+from tomlkit import document, table, inline_table, dumps
+
 
 configure_app = typer.Typer()
 
@@ -32,28 +34,24 @@ def init():
     # Create config.toml if it does not exist
     config_file = get_config_file()
     if not config_file.exists():
-        config = DEFAULT_CONFIG.copy()
-
-        # If credentials file exists, use its values to populate config
-        credentials_file = get_credentials_file()
-        if credentials_file.exists():
-            lines = credentials_file.read_text().splitlines()
-            for line in lines:
-                if "api_id" in line:
-                    config["default"]["api_id"] = line.split("=")[-1].strip()
-                elif "api_secret_key" in line:
-                    config["default"]["api_secret_key"] = line.split("=")[-1].strip()
-            typer.secho(
-                f"✅ Loaded credentials from: {credentials_file}",
-                fg=typer.colors.YELLOW,
-            )
-
-        # Save the populated config to file
-        save_toml(config, config_file)
-        typer.secho(f"✅ Created config.toml: {config_file}", fg=typer.colors.GREEN)
+        doc = document()
+
+        # [default]
+        default_section = table()
+        default_section.add("api_id", "get-api_id-from-fireblocks-dashboard")
+
+        secret_table = inline_table()
+        secret_table.add("type", "file")
+        secret_table.add("value", "~/.config/fireblocks-cli/keys/abcd.key")
+        secret_table.trailing_comma = True  # ← インライン整形のオプション（任意）
+        default_section.add("api_secret_key", secret_table)
+
+        doc.add("default", default_section)
+        with config_file.open("w", encoding="utf-8") as f:
+            f.write(dumps(doc))
     else:
         typer.secho(
-            f"⚠ config.toml already exists: {config_file}", fg=typer.colors.YELLOW
+            f"✅ config.toml already exists: {config_file}", fg=typer.colors.YELLOW
         )
 
     # Ensure ~/.config/fireblocks-cli/keys directory exists
diff --git a/poetry.lock b/poetry.lock
index dc04916..c036bdc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1460,7 +1460,7 @@ version = "0.13.2"
 description = "Style preserving TOML library"
 optional = false
 python-versions = ">=3.8"
-groups = ["dev"]
+groups = ["main", "dev"]
 files = [
     {file = "tomlkit-0.13.2-py3-none-any.whl", hash = "sha256:7a974427f6e119197f670fbbbeae7bef749a6c14e793db934baefc1b5f03efde"},
     {file = "tomlkit-0.13.2.tar.gz", hash = "sha256:fff5fe59a87295b278abd31bec92c15d9bc4a06885ab12bcea52c71119392e79"},
@@ -1597,4 +1597,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.11,<3.14"
-content-hash = "1143c92c2cdf134a28941dea577e3e4f1f4d7f9672f9313a2708b0d304df0dd3"
+content-hash = "4d64f5580254d70c4089155b6da6a8af45b8a03d85f1dad177cb9027d67d9e0c"
diff --git a/poetry.lock.license b/poetry.lock.license
deleted file mode 100644
index 7007309..0000000
--- a/poetry.lock.license
+++ /dev/null
@@ -1,4 +0,0 @@
-SPDX-FileCopyrightText: 2025 Ethersecurity Inc.
-
-SPDX-License-Identifier: MPL-2.0
-# Author: Shohei KAMON <cameong@stir.network>
diff --git a/pyproject.toml b/pyproject.toml
index 13ef696..05c45ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,8 @@ readme = "README.md"
 requires-python = ">=3.11,<3.14"
 dependencies = [
     "typer[all]>0.15.0",
-    "toml>0.10.0"
+    "toml>0.10.0",
+    "tomlkit (>=0.13.2,<0.14.0)"
 ]
 
 [project.scripts]
diff --git a/scripts/get_changed_files.sh b/scripts/get_changed_files.sh
index 034a11f..19050ba 100644
--- a/scripts/get_changed_files.sh
+++ b/scripts/get_changed_files.sh
@@ -6,4 +6,5 @@
 
 # Author: Shohei KAMON <cameong@stir.network>
 
-git status --porcelain | grep -v "^??" | cut -c4- | grep -v "\.txt$"
+# exclude removed file: grep -v "^D"
+git status --porcelain | grep -v "^??" | grep -v "^D " | cut -c4- | grep -v "\.txt$"