code.misc>modify.refactor: change defualt value of "checktag -c", and…

… some help message modify

tagmark/cli.py

@@ -120,12 +120,12 @@ def convert(
         )
 
 
-@cli.command(help="verify every tag has a definition")
+@cli.command(help="check every tag has a definition")
 @click.option(
     "-t",
     "--tagmark-data-file-path",
     type=click.Path(exists=True, file_okay=True, dir_okay=False),
-    help="the tagmark data file path, which may be the value the `-o` parameter of the `convert` sub command",
+    help="the tagmark data file path, which may be the output file generated by the `-o` parameter of the `convert` sub command",
 )
 @click.option(
     "-d",
@@ -137,17 +137,17 @@ def convert(
     "-c",
     "--condition-json-path",
     type=click.Path(exists=True, file_okay=True, dir_okay=False),
-    default=None,
+    default=Path(__file__).absolute().parent.joinpath("condition_example.json"),
     show_default=True,
-    help="json file containing the condition for fitlering TagmarkItem, here only the value of `tags` field in the file will be used, and this condition is a determinate ban condition",
+    help="json file containing the condition for fitlering TagmarkItem, here only the value of `tags` field in the file will be used, and this condition must be a ban condition",
 )
 @click.option(
     "-a",
     "--add-no-def-tag",
     type=bool,
     default=True,
     show_default=True,
-    help="if set to `True`, the tags in the input file(bookmark file) without a tag definition will be added into the tag definition file, with a placeholder value specified by `added_missing_tag_value_placeholder`. If set to `Flase` and any tag without definition exists, an error will be raised",
+    help="if set to `True`, a new tags definition file will be generated, which includes tags in the old tag definition file, and tags in the tagmark data file(specified by -t) without a tag definition. The latter tags are added as keys with a placeholder value specified by `-p / --no-def-tag-value-placeholder` parameter. If set to `False` and any tag without definition exists, an error will be raised",
 )
 @click.option(
     "-p",