diff --git a/src/Common.js b/src/Common.js
index 7866700a..d95e9f0c 100644
--- a/src/Common.js
+++ b/src/Common.js
@@ -157,8 +157,8 @@ export class HighlightedMarkdown extends Component {
             ['url_pid', URL_PID_RE],
             ['url', URL_RE],
             ['pid', PID_RE],
-            ['nickname', NICKNAME_RE],
             ['tag', TAG_RE],
+            ['nickname', NICKNAME_RE],
           ];
           if (props.search_param) {
             let search_kws = props.search_param.split(' ').filter((s) => !!s);
@@ -180,8 +180,15 @@ export class HighlightedMarkdown extends Component {
                 return (
                   <span key={idx}>
                     {rule === 'url_pid' ? (
-                      <span className="url-pid-link" title={p}>
-                        /##
+                      <span
+                        className="url-pid-link"
+                        title={p}
+                        onClick={(e) => {
+                          e.preventDefault();
+                          props.show_pid(p.split('##')[1]);
+                        }}
+                      >
+                        {p}
                       </span>
                     ) : rule === 'url' ? (
                       <>
diff --git a/src/text_splitter.js b/src/text_splitter.js
index 06937620..8ff913e6 100644
--- a/src/text_splitter.js
+++ b/src/text_splitter.js
@@ -3,9 +3,9 @@
 export const PID_RE = /(^|[^\d\u20e3\ufe0e\ufe0f])(#\d{1,7})(?![\d\u20e3\ufe0e\ufe0f])/g;
 // TODO: fix this re
 // export const URL_PID_RE=/((?:https?:\/\/)?thuhole\.com\/?#(?:#|%23)([2-9]\d{4,5}|1\d{4,6}))(?!\d|\u20e3|\ufe0e|\ufe0f)/g;
-export const URL_PID_RE = /((?:https?:\/\/)?hole\.thu\.monster\/?#(?:#|%23)(\d{1,7}))(?!\d|\u20e3|\ufe0e|\ufe0f)/g;
-export const NICKNAME_RE = /(^|[^A-Za-z])((?:(?:Angry|Baby|Crazy|Diligent|Excited|Fat|Greedy|Hungry|Interesting|Jolly|Kind|Little|Magic|Naïve|Old|PKU|Quiet|Rich|Superman|Tough|Undefined|Valuable|Wifeless|Xiangbuchulai|Young|Zombie)\s)?(?:Alice|Bob|Carol|Dave|Eve|Francis|Grace|Hans|Isabella|Jason|Kate|Louis|Margaret|Nathan|Olivia|Paul|Queen|Richard|Susan|Thomas|Uma|Vivian|Winnie|Xander|Yasmine|Zach)|You Win(?: \d+)?|洞主)(?![A-Za-z])/gi;
-export const URL_RE = /(^|[^.@a-zA-Z0-9_])((?:https?:\/\/)(?:(?:[\w-]+\.)+[a-zA-Z]{2,7}|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,5})(?::\d{1,5})?(?:\/[\w~!@#$%^&*()\-_=+[\]{};:,./?|]*)?)(?![a-zA-Z0-9])/gi;
+export const URL_PID_RE = /(https:\/\/thuhollow\.github\.io\/?#(?:#|%23)(?:\d{1,7}))(?!\d|\u20e3|\ufe0e|\ufe0f)/g;
+export const NICKNAME_RE = /(^|[^A-Za-z])((?:(?:(?:Alice|Bob|Carol|Dave|Eve|Francis|Grace|Hans|Isabella|Jason|Kate|Louis|Margaret|Nathan|Olivia|Paul|Queen|Richard|Susan|Thomas|Uma|Vivian|Winnie|Xander|Yasmine|Zach) )*(?:Alice|Bob|Carol|Dave|Eve|Francis|Grace|Hans|Isabella|Jason|Kate|Louis|Margaret|Nathan|Olivia|Paul|Queen|Richard|Susan|Thomas|Uma|Vivian|Winnie|Xander|Yasmine|Zach))|洞主)(?![A-Za-z])/gi;
+export const URL_RE = /(^|[^.@a-zA-Z0-9_])(https?:\/\/(?:(?:[\w-]+\.)+[a-zA-Z]{2,9}|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,5})(?::\d{1,5})?(?:\/[\w~!@#$%^&*()\-_=+[\]{};:,./?|]*)?)(?![a-zA-Z0-9])/gi;
 
 export const TAG_RE = /(^|\s)(#[^#\s]{1,32})($|\s|#)/g;