diff --git a/app/src/main/java/com/aliothmoon/maafw/maa/MaaFwVersion.kt b/app/src/main/java/com/aliothmoon/maafw/maa/MaaFwVersion.kt
index b4e6f7ed..228fd1a0 100644
--- a/app/src/main/java/com/aliothmoon/maafw/maa/MaaFwVersion.kt
+++ b/app/src/main/java/com/aliothmoon/maafw/maa/MaaFwVersion.kt
@@ -8,21 +8,67 @@ package com.aliothmoon.maafw.maa
  */
 object MaaFwVersion {
 
-    /** 开始填充 bridge 合约 TouchArgs.contact 的 fw 版本；上游钉出更早版本可下调 */
-    private const val MIN_CONTACT_FILL = "5.12.3"
+    /** AndroidNative 从这个版本起才会填充 bridge 合约的 TouchArgs.contact */
+    private const val MIN_CONTACT_FILL = "5.13.0-beta.3"
 
-    private val NUMERIC = Regex("""\s*v?(\d+)\.(\d+)\.(\d+)\s*""")
+    private val SEMVER = Regex(
+        """\s*v?(\d+)\.(\d+)\.(\d+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?""" +
+            """(?:\+[0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*)?\s*""",
+    )
 
     fun fillsTouchContact(raw: String?): Boolean = atLeast(raw, MIN_CONTACT_FILL)
 
     fun atLeast(raw: String?, min: String): Boolean {
-        // 全串匹配才认：带 -beta/-rc 后缀的预发布按「低于其所标版本」处理
-        val m = NUMERIC.matchEntire(raw ?: return false) ?: return false
-        val cur = m.groupValues.drop(1).map(String::toInt)
-        val floor = min.split('.').map(String::toInt)
-        for (i in cur.indices) {
-            if (cur[i] != floor[i]) return cur[i] > floor[i]
+        val current = parse(raw) ?: return false
+        val floor = parse(min) ?: return false
+        return current >= floor
+    }
+
+    private fun parse(raw: String?): SemVer? {
+        val match = SEMVER.matchEntire(raw ?: return null) ?: return null
+        val core = match.groupValues.drop(1).take(3)
+        if (core.any(::hasInvalidLeadingZero)) return null
+        val numbers = core.map { it.toLongOrNull() ?: return null }
+        val prerelease = match.groupValues[4].takeIf(String::isNotEmpty)?.split('.')
+        if (prerelease?.any(::hasInvalidLeadingZero) == true) return null
+        return SemVer(numbers[0], numbers[1], numbers[2], prerelease)
+    }
+
+    private fun hasInvalidLeadingZero(identifier: String): Boolean =
+        identifier.length > 1 && identifier[0] == '0' && identifier.all(Char::isDigit)
+
+    private data class SemVer(
+        val major: Long,
+        val minor: Long,
+        val patch: Long,
+        val prerelease: List<String>?,
+    ) : Comparable<SemVer> {
+        override fun compareTo(other: SemVer): Int {
+            major.compareTo(other.major).takeIf { it != 0 }?.let { return it }
+            minor.compareTo(other.minor).takeIf { it != 0 }?.let { return it }
+            patch.compareTo(other.patch).takeIf { it != 0 }?.let { return it }
+
+            if (prerelease == null) return if (other.prerelease == null) 0 else 1
+            if (other.prerelease == null) return -1
+            for (index in 0 until minOf(prerelease.size, other.prerelease.size)) {
+                compareIdentifier(prerelease[index], other.prerelease[index])
+                    .takeIf { it != 0 }
+                    ?.let { return it }
+            }
+            return prerelease.size.compareTo(other.prerelease.size)
+        }
+
+        private fun compareIdentifier(left: String, right: String): Int {
+            val leftNumeric = left.all(Char::isDigit)
+            val rightNumeric = right.all(Char::isDigit)
+            return when {
+                leftNumeric && rightNumeric ->
+                    left.length.compareTo(right.length).takeIf { it != 0 }
+                        ?: left.compareTo(right)
+                leftNumeric -> -1
+                rightNumeric -> 1
+                else -> left.compareTo(right)
+            }
         }
-        return true
     }
 }
diff --git a/app/src/main/java/com/aliothmoon/maafw/remote/MaaRunner.kt b/app/src/main/java/com/aliothmoon/maafw/remote/MaaRunner.kt
index 7716971b..07e4aab3 100644
--- a/app/src/main/java/com/aliothmoon/maafw/remote/MaaRunner.kt
+++ b/app/src/main/java/com/aliothmoon/maafw/remote/MaaRunner.kt
@@ -289,7 +289,7 @@ class MaaRunner(private val agentHost: AgentHost) {
             return "libbridge.so 未加载，无法建立 native controller"
         }
 
-        // TouchArgs.contact 是 v5.12.3 起 fw 才填的合约字段，旧 fw 那 4 字节是栈残值，
+        // TouchArgs.contact 是 v5.13.0-beta.3 起 fw 才填的合约字段，旧 fw 那 4 字节是栈残值，
         // 不过闸直接读会得到幻影手指；低于配对版本一律压 0（等价旧 bridge 单指行为）
         NativeBridgeLib.setContactSupport(MaaFwVersion.fillsTouchContact(lib.MaaVersion()))
 
diff --git a/app/src/main/native/bridge_input.cpp b/app/src/main/native/bridge_input.cpp
index 47ca64d3..701be07d 100644
--- a/app/src/main/native/bridge_input.cpp
+++ b/app/src/main/native/bridge_input.cpp
@@ -12,7 +12,7 @@ static jmethodID g_key_down_method = nullptr;
 static jmethodID g_key_up_method = nullptr;
 static jmethodID g_start_app_method = nullptr;
 
-/* TouchArgs.contact 是随 MaaFramework v5.12.3 才由 fw 填的合约字段；旧 fw 不写它，
+/* TouchArgs.contact 是随 MaaFramework v5.13.0-beta.3 才由 fw 填的合约字段；旧 fw 不写它，
  * 那 4 字节是调用方栈上的残值，可能落进 [0,16) 变成幻影手指。默认 false：
  * Kotlin 判完 fw 版本之前，触摸一律按单指 contact 0 注入 */
 static std::atomic_bool g_read_contact{false};
diff --git a/app/src/test/java/com/aliothmoon/maafw/maa/MaaFwVersionTest.kt b/app/src/test/java/com/aliothmoon/maafw/maa/MaaFwVersionTest.kt
index 05f7d707..380e017a 100644
--- a/app/src/test/java/com/aliothmoon/maafw/maa/MaaFwVersionTest.kt
+++ b/app/src/test/java/com/aliothmoon/maafw/maa/MaaFwVersionTest.kt
@@ -11,23 +11,32 @@ class MaaFwVersionTest {
     fun `低于配对版本不读 contact`() {
         assertFalse(MaaFwVersion.fillsTouchContact("5.11.9"))
         assertFalse(MaaFwVersion.fillsTouchContact("v5.12.2"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.12.3"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.12.10"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.13.0-beta.2"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.13.0-alpha.9"))
         assertFalse(MaaFwVersion.fillsTouchContact("5.12"))
     }
 
     @Test
     fun `配对版本起过闸`() {
-        assertTrue(MaaFwVersion.fillsTouchContact("5.12.3"))
-        assertTrue(MaaFwVersion.fillsTouchContact("v5.12.3"))
-        assertTrue(MaaFwVersion.fillsTouchContact(" 5.12.3 "))
-        assertTrue(MaaFwVersion.fillsTouchContact("5.12.10"))
+        assertTrue(MaaFwVersion.fillsTouchContact("5.13.0-beta.3"))
+        assertTrue(MaaFwVersion.fillsTouchContact("v5.13.0-beta.4"))
+        assertTrue(MaaFwVersion.fillsTouchContact("v5.13.0-beta.5"))
+        assertTrue(MaaFwVersion.fillsTouchContact(" 5.13.0-rc.1 "))
         assertTrue(MaaFwVersion.fillsTouchContact("5.13.0"))
+        assertTrue(MaaFwVersion.fillsTouchContact("5.13.0+android.1"))
+        assertTrue(MaaFwVersion.fillsTouchContact("5.13.1-alpha.1"))
         assertTrue(MaaFwVersion.fillsTouchContact("6.0.0"))
     }
 
     @Test
-    fun `预发布按低于所标版本处理`() {
-        assertFalse(MaaFwVersion.fillsTouchContact("v5.12.0-beta.1"))
-        assertFalse(MaaFwVersion.fillsTouchContact("v5.12.3-rc.1"))
+    fun `SemVer 预发布标识按标准顺序比较`() {
+        assertFalse(MaaFwVersion.atLeast("5.13.0-beta.2", "5.13.0-beta.3"))
+        assertFalse(MaaFwVersion.atLeast("5.13.0-beta.3.1", "5.13.0-beta.3.a"))
+        assertTrue(MaaFwVersion.atLeast("5.13.0-beta.10", "5.13.0-beta.3"))
+        assertTrue(MaaFwVersion.atLeast("5.13.0-rc.1", "5.13.0-beta.4"))
+        assertTrue(MaaFwVersion.atLeast("5.13.0", "5.13.0-rc.9"))
     }
 
     @Test
@@ -36,5 +45,8 @@ class MaaFwVersionTest {
         assertFalse(MaaFwVersion.fillsTouchContact(""))
         assertFalse(MaaFwVersion.fillsTouchContact("garbage"))
         assertFalse(MaaFwVersion.fillsTouchContact("version 5.12.3"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.13.0-beta.03"))
+        assertFalse(MaaFwVersion.fillsTouchContact("5.13.0-beta."))
+        assertFalse(MaaFwVersion.fillsTouchContact("05.13.0"))
     }
 }