diff --git a/gradle.properties b/gradle.properties
index 0945157..de9eac3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ MORNY_ARCHIVE_NAME = morny-coeur
 MORNY_CODE_STORE = https://github.com/Eyre-S/Coeur-Morny-Cono
 MORNY_COMMIT_PATH = https://github.com/Eyre-S/Coeur-Morny-Cono/commit/%s
 
-VERSION = 1.2.0-alpha1
+VERSION = 1.2.0-alpha2
 
 USE_DELTA = false
 VERSION_DELTA =
diff --git a/src/main/scala/cc/sukazyo/cono/morny/data/BilibiliForms.scala b/src/main/scala/cc/sukazyo/cono/morny/data/BilibiliForms.scala
index 7bf78a4..962c98b 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/data/BilibiliForms.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/data/BilibiliForms.scala
@@ -13,13 +13,16 @@ object BilibiliForms {
 	case class BiliVideoId (av: Long, bv: String, part: Int|Null = null)
 	
 	private val REGEX_BILI_ID = "^((?:av|AV)(\\d{1,12})|(?:bv|BV)([A-HJ-NP-Za-km-z1-9]{10}))$"r
-	private val REGEX_BILI_VIDEO: Regex = "^(?:(?:https?://)?(?:www\\.)?bilibili\\.com(?:/s)?/video/((?:av|AV)(\\d{1,12})|(?:bv|BV)([A-HJ-NP-Za-km-z1-9]{10}))/?(\\?(?:p=(\\d+))?.*)?|(?:av|AV)(\\d{1,12})|(?:bv|BV)([A-HJ-NP-Za-km-z1-9]{10}))$" r
+	private val REGEX_BILI_V_PART_IN_URL_PARAM = "(?:&|^)p=(\\d+)"r
+	private val REGEX_BILI_VIDEO: Regex = "^(?:(?:https?://)?(?:(?:www\\.)?bilibili\\.com(?:/s)?/video/|b23\\.tv/)((?:av|AV)(\\d{1,12})|(?:bv|BV)([A-HJ-NP-Za-km-z1-9]{10}))/?(?:\\?((?:p=(\\d+))?.*))?|(?:av|AV)(\\d{1,12})|(?:bv|BV)([A-HJ-NP-Za-km-z1-9]{10}))$" r
 	
-	/** parse a Bilibili video link to a [[BiliVideoId]] format Bilibili Video Id
+	/** parse a Bilibili video link to a [[BiliVideoId]] format Bilibili Video Id.
 	  *
 	  * @param url the Bilibili video link -- should be a valid link with av/BV,
 	  *            can take some tracking params (will be ignored), can be a search
 	  *            result link (have `s/` path).
+	  *            Or, it can also be a b23 video link: starts with b23.tv hostname with
+	  *            no www. prefix, and no /video/ path.
 	  * @throws IllegalArgumentException when the link is not the valid bilibili video link
 	  * @return the [[BiliVideoId]] contains raw or converted av id, and raw or converted bv id,
 	  *         and video part id.
@@ -28,9 +31,16 @@ object BilibiliForms {
 	def parse_videoUrl (url: String): BiliVideoId =
 		url match
 			case REGEX_BILI_VIDEO(_url_v, _url_av, _url_bv, _url_param, _url_v_part, _raw_av, _raw_bv) =>
+				
 				val av = select(_url_av, _raw_av)
 				val bv = select(_url_bv, _raw_bv)
-				val part: Int | Null = if (_url_v_part != null) _url_v_part toInt else null
+				
+				val part_part = if (_url_param == null) null else
+					REGEX_BILI_V_PART_IN_URL_PARAM.findFirstMatchIn(_url_param) match
+						case Some(part) => part.group(1)
+						case None => null
+				val part: Int | Null = if (part_part != null) part_part toInt else null
+				
 				if (av == null) {
 					assert(bv != null)
 					BiliVideoId(BiliTool.toAv(bv), bv, part)
@@ -38,6 +48,7 @@ object BilibiliForms {
 					val _av = av.toLong
 					BiliVideoId(_av, BiliTool.toBv(_av), part)
 				}
+				
 			case _ => throw IllegalArgumentException(s"not a valid Bilibili video link: $url")
 	
 	private val httpClient = OkHttpClient
@@ -50,7 +61,7 @@ object BilibiliForms {
 	  *
 	  * result url can be used in [[parse_videoUrl]]
 	  *
-	  * @param url b23.tv share url
+	  * @param url b23.tv share url.
 	  * @throws IllegalArgumentException the input `url` is not a b23.tv url
 	  * @throws IllegalStateException some exception occurred when getting information from remote
 	  *                               host, or failed to parse the information got
diff --git a/src/test/scala/cc/sukazyo/cono/morny/test/cc/sukazyo/cono/morny/data/BilibiliFormsTest.scala b/src/test/scala/cc/sukazyo/cono/morny/test/cc/sukazyo/cono/morny/data/BilibiliFormsTest.scala
index 9108053..93388f5 100644
--- a/src/test/scala/cc/sukazyo/cono/morny/test/cc/sukazyo/cono/morny/data/BilibiliFormsTest.scala
+++ b/src/test/scala/cc/sukazyo/cono/morny/test/cc/sukazyo/cono/morny/data/BilibiliFormsTest.scala
@@ -3,6 +3,7 @@ package cc.sukazyo.cono.morny.test.cc.sukazyo.cono.morny.data
 import cc.sukazyo.cono.morny.data.BilibiliForms.*
 import cc.sukazyo.cono.morny.test.MornyTests
 import org.scalatest.prop.TableDrivenPropertyChecks
+import org.scalatest.tagobjects.{Network, Slow}
 
 class BilibiliFormsTest extends MornyTests with TableDrivenPropertyChecks {
 	
@@ -54,9 +55,8 @@ class BilibiliFormsTest extends MornyTests with TableDrivenPropertyChecks {
 				BiliVideoId(455017605L, "1Q541167Qg", 1)
 			parse_videoUrl("https://www.bilibili.com/video/av455017605?p=1&vd_source=123456") shouldEqual
 				BiliVideoId(455017605L, "1Q541167Qg", 1)
-			// todo: implement it
-//			parse_videoUrl("bilibili.com/video/AV455017605?mid=12hdowhAI&p=5&x=D82EQ&289EHD8AHDOIWU8=r2aur9%3Bi0%3AJ%7BRQJH%28QJ.%5BropWG%3AKR%24%28O%7BGR") shouldEqual
-//				BiliVideoId(455017605L, "1Q541167Qg", 5)
+			parse_videoUrl("bilibili.com/video/AV455017605?mid=12hdowhAI&p=5&x=D82EQ&289EHD8AHDOIWU8=r2aur9%3Bi0%3AJ%7BRQJH%28QJ.%5BropWG%3AKR%24%28O%7BGR") shouldEqual
+				BiliVideoId(455017605L, "1Q541167Qg", 5)
 		
 		"av id with more than 12 digits should not be parsed" in :
 			an[IllegalArgumentException] should be thrownBy parse_videoUrl("av4550176087554")
@@ -77,9 +77,16 @@ class BilibiliFormsTest extends MornyTests with TableDrivenPropertyChecks {
 			an[IllegalArgumentException] should be thrownBy parse_videoUrl("https://bilibili.cc/video/av123456")
 			an[IllegalArgumentException] should be thrownBy parse_videoUrl("https://vxbilibili.com/video/av123456")
 			an[IllegalArgumentException] should be thrownBy parse_videoUrl("https://bilibiliexc.com/video/av123456")
-			an[IllegalArgumentException] should be thrownBy parse_videoUrl("b23.tv/av123456") // todo: support it
 			an[IllegalArgumentException] should be thrownBy parse_videoUrl("C# does not have type erasure. C# has actual generic types deeply baked into the runtime.\n\n好文明")
 		
+		"url which is a b23 video link should be parsed" in:
+			parse_videoUrl("https://b23.tv/av688730800") shouldEqual BiliVideoId(688730800L, "1T24y197V2")
+			parse_videoUrl("http://b23.tv/BV1T24y197V2") shouldEqual BiliVideoId(688730800L, "1T24y197V2")
+			parse_videoUrl("b23.tv/BV1T24y197V2") shouldEqual BiliVideoId(688730800L, "1T24y197V2")
+		"b23 video link should not take www. or /video prefix" in:
+			an[IllegalArgumentException] should be thrownBy parse_videoUrl("https://www.b23.tv/av123456")
+			an[IllegalArgumentException] should be thrownBy parse_videoUrl("https://b23.tv/video/av123456")
+		
 	}
 	
 	"while destruct b23.tv share link :" - {
@@ -101,7 +108,7 @@ class BilibiliFormsTest extends MornyTests with TableDrivenPropertyChecks {
 			an[IllegalArgumentException] should be thrownBy destructB23Url("https://b23.tv/BV1Q541167Qg")
 		
 		forAll (examples) { (origin, result) =>
-			s"b23 link $origin should be destructed to $result" in:
+			s"b23 link $origin should be destructed to $result" taggedAs (Slow, Network) in:
 				destructB23Url(origin) shouldEqual result
 		}