chore: fix broken cliff.

Author: fky2015

cliff.toml

@@ -28,15 +28,9 @@ body = """
 {% else %}\
     ## [unreleased]
 {% endif %}\
-{% if previous %}\
-    {% if previous.commit_id %}
-        [{{ previous.commit_id | truncate(length=7, end="") }}](https://github.com/BITNP/BIThesis/commit/{{ previous.commit_id }})...\
-            [{{ commit_id | truncate(length=7, end="") }}](https://github.com/BITNP/BIThesis/commit/{{ commit_id }})
-    {% endif %}\
-{% endif %}\
 {% for group, commits in commits | group_by(attribute="group") %}
     ### {{ group | striptags | trim | upper_first }}
-    {% for commit in commits %}
+    {% for commit in commits | filter(attribute="merge_commit", value=false) %}
         - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\
             {% if commit.breaking %}[**breaking**] {% endif %}\
             {{ commit.message | upper_first }} ([{{ commit.id | truncate(length=7, end="") }}](https://github.com/BITNP/BIThesis/commit/{{ commit.id }}))\
@@ -59,7 +53,7 @@ conventional_commits = true
 # filter out the commits that are not conventional
 filter_unconventional = true
 # process each line of a commit as an individual commit
-split_commits = false
+split_commits = true
 # regex for preprocessing the commit messages
 commit_preprocessors = [
     # Replace issue numbers
@@ -89,7 +83,7 @@ commit_parsers = [
 # protect breaking changes from being skipped due to matching a skipping commit_parser
 protect_breaking_commits = false
 # filter out the commits that are not matched by commit parsers
-filter_commits = false
+filter_commits = true
 # regex for matching git tags
 # tag_pattern = "v[0-9].*"
 # regex for skipping tags