diff --git a/TestParser$LogEntry.class b/TestParser$LogEntry.class
new file mode 100644
index 0000000..cda6bb2
Binary files /dev/null and b/TestParser$LogEntry.class differ
diff --git a/TestParser$LogLevel.class b/TestParser$LogLevel.class
new file mode 100644
index 0000000..9f7f58e
Binary files /dev/null and b/TestParser$LogLevel.class differ
diff --git a/app/src/main/kotlin/io/github/asutorufa/yuhaiin/compose/Logcat.kt b/app/src/main/kotlin/io/github/asutorufa/yuhaiin/compose/Logcat.kt
index 3acc1ee..eee2d7c 100644
--- a/app/src/main/kotlin/io/github/asutorufa/yuhaiin/compose/Logcat.kt
+++ b/app/src/main/kotlin/io/github/asutorufa/yuhaiin/compose/Logcat.kt
@@ -410,7 +410,7 @@ data class LogEntry(
     var tid: Int? = 0,
 )
 
-fun parseLogv2(line: String): LogEntry {
+fun parseLog(line: String): LogEntry {
     val log = LogEntry(
         content = line
     )
@@ -435,8 +435,8 @@ fun parseLogv2(line: String): LogEntry {
         val tm = TIME_LINE.matcher(line)
         if (!tm.matches()) return log
 
-        log.time = m.group(1) ?: ""
-        log.level = when (m.group(4)) {
+        log.time = tm.group(1) ?: ""
+        log.level = when (tm.group(2)) {
             "V", "D" -> LogLevel.DEBUG
             "I" -> LogLevel.INFO
             "W" -> LogLevel.WARN
@@ -453,58 +453,6 @@ fun parseLogv2(line: String): LogEntry {
     return log
 }
 
-fun parseLog(line: String): LogEntry {
-    var i = 0
-    val n = line.length
-
-    fun skipSpaces() {
-        while (i < n && line[i] == ' ') i++
-    }
-
-    fun readWord(): String {
-        val start = i
-        while (i < n && line[i] != ' ') i++
-        return line.substring(start, i)
-    }
-
-    skipSpaces()
-    val date = readWord()
-    skipSpaces()
-    val timeStr = readWord()
-    skipSpaces()
-    val pidStr = readWord()
-    skipSpaces()
-    val tidStr = readWord()
-    skipSpaces()
-    val levelStr = readWord()
-    skipSpaces()
-    val tagStart = i
-    while (i < n && line[i] != ':') i++
-    val tag = if (i < n) line.substring(tagStart, i) else ""
-    i++ // skip ':'
-    val content = if (i < n) line.substring(i).trimStart() else ""
-
-    val level = when (levelStr) {
-        "V", "D" -> LogLevel.DEBUG
-        "I" -> LogLevel.INFO
-        "W" -> LogLevel.WARN
-        "E", "F" -> LogLevel.ERROR
-        else -> LogLevel.INFO
-    }
-
-    if (content.isEmpty())
-        return LogEntry(time = Date().toString(), content = line)
-
-    return LogEntry(
-        level = level,
-        time = "$date $timeStr",
-        content = content,
-        tag = tag,
-        pid = pidStr.toIntOrNull(),
-        tid = tidStr.toIntOrNull()
-    )
-}
-
 @Composable
 @Preview
 fun LogItem(
@@ -598,7 +546,7 @@ fun runLogcat(
                 try {
                     it.readLine()?.let { line ->
                         if (excludeList.exist(line)) return@let
-                        pushLogs(parseLogv2(line))
+                        pushLogs(parseLog(line))
                     } ?: break
                 } catch (e: Exception) {
                     Log.w("read log failed", "$e")
diff --git a/app/src/test/kotlin/io/github/asutorufa/yuhaiin/compose/LogcatTest.kt b/app/src/test/kotlin/io/github/asutorufa/yuhaiin/compose/LogcatTest.kt
new file mode 100644
index 0000000..6d8553c
--- /dev/null
+++ b/app/src/test/kotlin/io/github/asutorufa/yuhaiin/compose/LogcatTest.kt
@@ -0,0 +1,37 @@
+package io.github.asutorufa.yuhaiin.compose
+
+import org.junit.Test
+import kotlin.test.assertEquals
+
+class LogcatTest {
+
+    @Test
+    fun testParseThreadTime() {
+        val line = "05-26 11:02:36.886  5689  5689 D AndroidRuntime: CheckJNI is OFF"
+        val log = parseLog(line)
+        assertEquals("05-26 11:02:36.886", log.time)
+        assertEquals(5689, log.pid)
+        assertEquals(5689, log.tid)
+        assertEquals(LogLevel.DEBUG, log.level)
+        assertEquals("AndroidRuntime", log.tag)
+        assertEquals("CheckJNI is OFF", log.content)
+    }
+
+    @Test
+    fun testParseTime() {
+        val line = "06-04 02:32:14.002 D/dalvikvm(  236): GC_CONCURRENT freed 580K, 51% free [...]"
+        val log = parseLog(line)
+        assertEquals("06-04 02:32:14.002", log.time)
+        assertEquals(236, log.pid)
+        assertEquals(LogLevel.DEBUG, log.level)
+        assertEquals("dalvikvm", log.tag)
+        assertEquals("GC_CONCURRENT freed 580K, 51% free [...]", log.content)
+    }
+
+    @Test
+    fun testParseUnknown() {
+        val line = "some random log line"
+        val log = parseLog(line)
+        assertEquals("some random log line", log.content)
+    }
+}