diff --git a/src/takajo.nim b/src/takajo.nim
index e3002001..df5695e6 100644
--- a/src/takajo.nim
+++ b/src/takajo.nim
@@ -1,4 +1,5 @@
 import takajopkg/submodule
+import std/sequtils
 
 import docopt
 
@@ -6,14 +7,14 @@ let doc = """
 takajo
 
 Usage:
-  takajo <CSV-FILE>
+  takajo <CSV-FILE> -c <hayabusa-rulespath> -t <column>
   takajo (-h | --help)
   takajo --version
 
 Options:
   -h --help           Show this screen.
   --version           Show version.
-  -c --check-undetected=<hayabusa-rulespath>  Check no detected rule file in hayabusa-rules directory.
+  -c --check-undetected=<hayabusa-rulespath> Check no detected rule file in hayabusa-rules directory.
   -t --target-column=<column> Specified target column header name when check detected rule file
 """
 
@@ -22,10 +23,26 @@ when isMainModule:
   let args = docopt(doc)
   if args["<CSV-FILE>"]:
     let csvData = getHayabusaCsvData($args["<CSV-FILE>"])
-    if args["<hayabusa-rulespath>"]:
-      let rulePath: string = args["<hayabusa-rulespath>"]
-      for f in walkDirRec(rulePath, "*.yml"):
+    var ymlLists: seq[string]
+    if args["--check-undetected"]:
+      let rulePath: string = $args["--check-undetected"]
+      ymlLists = getYMLLists(rulePath)
+    if args["--target-column"]:
+      let targetColumn = $args["--target-column"]
+      var detectedRulePath: seq[string] = csvData[targetColumn]
+      detectedRulePath = deduplicate(detectedRulePath)
+      if ymlLists.len() == 0:
+        quit("yml file does not exist in specified directory. Please check -c option.")
+      else:
+        var output: seq[string] = @[]
+        var cnt = 0
+        for ymlFile in ymlLists:
+          if ymlFile in detectedRulePath:
+            output.add(ymlFile)
+          cnt += 1
+        echo "Finished check. "
+        echo "---------------"
+        echo "Undetected rules:"
+        for undetectedYmlFile in output:
+          echo "    - ", undetectedYmlFile
 
-    if args["c"] == true and args["<column>"]:
-      let targetColumn = args["<column>"]
-      csvData[targetColumn]
diff --git a/src/takajopkg/submodule.nim b/src/takajopkg/submodule.nim
index b9b9e33b..b23613ea 100644
--- a/src/takajopkg/submodule.nim
+++ b/src/takajopkg/submodule.nim
@@ -7,14 +7,19 @@ import std/tables
 import std/parsecsv
 import std/os
 import std/strutils
+import std/sequtils
 from std/streams import newFileStream
 
 proc getYMLLists*(targetDirPath: string): seq[string] =
+  ## extract yml file name seq to specified directory path
   var r: seq[string] = @[]
   for f in walkDirRec(targetDirPath):
     if f.endsWith(".yml"):
-      r.insert(f)
-  return r
+      var (_, file, ext) = splitFile(f)
+      file &= ext
+      r.insert(file)
+  # removed duplicated file name from seq
+  return deduplicate(r)
 
 proc getHayabusaCsvData*(csvPath: string): Tableref[string, seq[string]] =
   ## procedure for Hayabusa output csv read data.
diff --git a/tests/testsubmodule.nim b/tests/testsubmodule.nim
index 9d55b062..7f66e960 100644
--- a/tests/testsubmodule.nim
+++ b/tests/testsubmodule.nim
@@ -35,5 +35,5 @@ test "csv file path import":
   check getHayabusaCsvData("./tests/data/1.csv") == expect_table
 
 test "check getYMLLists":
-  let expect = @["tests\\data\\1.yml"]
+  let expect = @["1.yml"]
   check getYMLLists("./tests") == expect