diff --git a/app/models/fluentd/setting/formatter_csv.rb b/app/models/fluentd/setting/formatter_csv.rb
index 4c18935..0a81b4c 100644
--- a/app/models/fluentd/setting/formatter_csv.rb
+++ b/app/models/fluentd/setting/formatter_csv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterCsv
+    class FormatterCsv
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "csv")
diff --git a/app/models/fluentd/setting/formatter_hash.rb b/app/models/fluentd/setting/formatter_hash.rb
index 68dfc9e..b5e6f75 100644
--- a/app/models/fluentd/setting/formatter_hash.rb
+++ b/app/models/fluentd/setting/formatter_hash.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterHash
+    class FormatterHash
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "hash")
diff --git a/app/models/fluentd/setting/formatter_json.rb b/app/models/fluentd/setting/formatter_json.rb
index 28ca08b..61a14a4 100644
--- a/app/models/fluentd/setting/formatter_json.rb
+++ b/app/models/fluentd/setting/formatter_json.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterJson
+    class FormatterJson
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "json")
diff --git a/app/models/fluentd/setting/formatter_ltsv.rb b/app/models/fluentd/setting/formatter_ltsv.rb
index c60eda4..204c498 100644
--- a/app/models/fluentd/setting/formatter_ltsv.rb
+++ b/app/models/fluentd/setting/formatter_ltsv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterLtsv
+    class FormatterLtsv
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "ltsv")
diff --git a/app/models/fluentd/setting/formatter_msgpack.rb b/app/models/fluentd/setting/formatter_msgpack.rb
index 5bdfedb..482cfb4 100644
--- a/app/models/fluentd/setting/formatter_msgpack.rb
+++ b/app/models/fluentd/setting/formatter_msgpack.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterMsgpack
+    class FormatterMsgpack
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "msgpack")
diff --git a/app/models/fluentd/setting/formatter_out_file.rb b/app/models/fluentd/setting/formatter_out_file.rb
index 3e28e6a..289d751 100644
--- a/app/models/fluentd/setting/formatter_out_file.rb
+++ b/app/models/fluentd/setting/formatter_out_file.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterOutFile
+    class FormatterOutFile
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "out_file")
diff --git a/app/models/fluentd/setting/formatter_single_value.rb b/app/models/fluentd/setting/formatter_single_value.rb
index 03bfd90..65c3603 100644
--- a/app/models/fluentd/setting/formatter_single_value.rb
+++ b/app/models/fluentd/setting/formatter_single_value.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterSingleValue
+    class FormatterSingleValue
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "single_value")
diff --git a/app/models/fluentd/setting/formatter_stdout.rb b/app/models/fluentd/setting/formatter_stdout.rb
index 5f6d0da..f2d06dd 100644
--- a/app/models/fluentd/setting/formatter_stdout.rb
+++ b/app/models/fluentd/setting/formatter_stdout.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterStdout
+    class FormatterStdout
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "stdout")
diff --git a/app/models/fluentd/setting/formatter_tsv.rb b/app/models/fluentd/setting/formatter_tsv.rb
index e31ab77..9a4461c 100644
--- a/app/models/fluentd/setting/formatter_tsv.rb
+++ b/app/models/fluentd/setting/formatter_tsv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module FormatterTsv
+    class FormatterTsv
       include Fluentd::Setting::Plugin
 
       register_plugin("formatter", "tsv")
diff --git a/app/models/fluentd/setting/parser_apache.rb b/app/models/fluentd/setting/parser_apache.rb
index b13d467..6bdf6c4 100644
--- a/app/models/fluentd/setting/parser_apache.rb
+++ b/app/models/fluentd/setting/parser_apache.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserApache
+    class ParserApache
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "apache")
diff --git a/app/models/fluentd/setting/parser_apache2.rb b/app/models/fluentd/setting/parser_apache2.rb
index 9cda333..76480ae 100644
--- a/app/models/fluentd/setting/parser_apache2.rb
+++ b/app/models/fluentd/setting/parser_apache2.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserApache2
+    class ParserApache2
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "apache2")
diff --git a/app/models/fluentd/setting/parser_apache_error.rb b/app/models/fluentd/setting/parser_apache_error.rb
index 91671c0..43fa488 100644
--- a/app/models/fluentd/setting/parser_apache_error.rb
+++ b/app/models/fluentd/setting/parser_apache_error.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserApacheError
+    class ParserApacheError
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "apache_error")
diff --git a/app/models/fluentd/setting/parser_csv.rb b/app/models/fluentd/setting/parser_csv.rb
index 74facc2..45ee322 100644
--- a/app/models/fluentd/setting/parser_csv.rb
+++ b/app/models/fluentd/setting/parser_csv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserCsv
+    class ParserCsv
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "csv")
diff --git a/app/models/fluentd/setting/parser_json.rb b/app/models/fluentd/setting/parser_json.rb
index 4bdbc21..83edc5d 100644
--- a/app/models/fluentd/setting/parser_json.rb
+++ b/app/models/fluentd/setting/parser_json.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserJson
+    class ParserJson
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "json")
diff --git a/app/models/fluentd/setting/parser_ltsv.rb b/app/models/fluentd/setting/parser_ltsv.rb
index 4cb16c8..2f9a313 100644
--- a/app/models/fluentd/setting/parser_ltsv.rb
+++ b/app/models/fluentd/setting/parser_ltsv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserLtsv
+    class ParserLtsv
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "ltsv")
diff --git a/app/models/fluentd/setting/parser_msgpack.rb b/app/models/fluentd/setting/parser_msgpack.rb
index 467e359..c89070e 100644
--- a/app/models/fluentd/setting/parser_msgpack.rb
+++ b/app/models/fluentd/setting/parser_msgpack.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserMsgpack
+    class ParserMsgpack
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "msgpack")
diff --git a/app/models/fluentd/setting/parser_multiline.rb b/app/models/fluentd/setting/parser_multiline.rb
index f6a3112..7835406 100644
--- a/app/models/fluentd/setting/parser_multiline.rb
+++ b/app/models/fluentd/setting/parser_multiline.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserMultiline
+    class ParserMultiline
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "multiline")
diff --git a/app/models/fluentd/setting/parser_nginx.rb b/app/models/fluentd/setting/parser_nginx.rb
index 9a40938..f06d5e0 100644
--- a/app/models/fluentd/setting/parser_nginx.rb
+++ b/app/models/fluentd/setting/parser_nginx.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserNginx
+    class ParserNginx
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "nginx")
diff --git a/app/models/fluentd/setting/parser_none.rb b/app/models/fluentd/setting/parser_none.rb
index 5514b31..f418338 100644
--- a/app/models/fluentd/setting/parser_none.rb
+++ b/app/models/fluentd/setting/parser_none.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserNone
+    class ParserNone
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "none")
diff --git a/app/models/fluentd/setting/parser_regexp.rb b/app/models/fluentd/setting/parser_regexp.rb
index 68ca764..0e9ccfb 100644
--- a/app/models/fluentd/setting/parser_regexp.rb
+++ b/app/models/fluentd/setting/parser_regexp.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserRegexp
+    class ParserRegexp
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "regexp")
diff --git a/app/models/fluentd/setting/parser_syslog.rb b/app/models/fluentd/setting/parser_syslog.rb
index cf048d7..9c88312 100644
--- a/app/models/fluentd/setting/parser_syslog.rb
+++ b/app/models/fluentd/setting/parser_syslog.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserSyslog
+    class ParserSyslog
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "syslog")
diff --git a/app/models/fluentd/setting/parser_tsv.rb b/app/models/fluentd/setting/parser_tsv.rb
index 7c618bb..18c334d 100644
--- a/app/models/fluentd/setting/parser_tsv.rb
+++ b/app/models/fluentd/setting/parser_tsv.rb
@@ -1,6 +1,6 @@
 class Fluentd
   module Setting
-    module ParserTsv
+    class ParserTsv
       include Fluentd::Setting::Plugin
 
       register_plugin("parser", "tsv")