style: format output for synchronization report

- Adjust formatting of the synchronization report output
- Change indentation and bullet points for better readability
- Ensure consistent presentation of start time, end time, and status

These changes improve the clarity and presentation of the synchronization
report, making it easier for users to read and understand the
synchronization statistics and details.

main.sh

@@ -86,7 +86,12 @@ $(cat "${LOG_FILE}")"
 $(echo "$stats" | jq -r '.details.success_repos[]' | sed 's/^/- /')
 
 详细日志 (最后 50 行):
-    $(tail -n 50 "$LOG_FILE")"
+$(tail -n 50 "$LOG_FILE")
+
+详细日志:
+$(cat "$LOG_FILE")
+"
+
     else
         summary="无法获取同步统计信息"
     fi