diff --git a/app/src/main/java/com/github/kr328/clash/MainApplication.kt b/app/src/main/java/com/github/kr328/clash/MainApplication.kt
index 275cd2b..614e6d3 100644
--- a/app/src/main/java/com/github/kr328/clash/MainApplication.kt
+++ b/app/src/main/java/com/github/kr328/clash/MainApplication.kt
@@ -42,7 +42,7 @@ class MainApplication : Application() {
                     if (!report.stackTrace.contains("DeadObjectException"))
                         return mutableListOf()
 
-                    val logcat = LogcatDumper.dump()
+                    val logcat = LogcatDumper.dumpCrash()
 
                     return mutableListOf(
                         ErrorAttachmentLog.attachmentWithText(logcat, "logcat.txt")
diff --git a/app/src/main/java/com/github/kr328/clash/SupportActivity.kt b/app/src/main/java/com/github/kr328/clash/SupportActivity.kt
index ecb9a1e..6adf03c 100644
--- a/app/src/main/java/com/github/kr328/clash/SupportActivity.kt
+++ b/app/src/main/java/com/github/kr328/clash/SupportActivity.kt
@@ -4,9 +4,18 @@ import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.text.Html
+import androidx.appcompat.app.AlertDialog
+import com.github.kr328.clash.dump.LogcatDumper
+import com.microsoft.appcenter.crashes.Crashes
+import com.microsoft.appcenter.crashes.ingestion.models.ErrorAttachmentLog
 import kotlinx.android.synthetic.main.activity_support.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 class SupportActivity : BaseActivity() {
+    class UserRequestTrackException: Exception()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -46,6 +55,20 @@ class SupportActivity : BaseActivity() {
 
             category(text = getString(R.string.feedback))
 
+            option(
+                title = getString(R.string.upload_logcat),
+                summary = getString(R.string.upload_logcat_summary)
+            ) {
+                onClick {
+                    AlertDialog.Builder(this@SupportActivity)
+                        .setTitle(R.string.upload_logcat)
+                        .setMessage(R.string.upload_logcat_warn)
+                        .setNegativeButton(R.string.cancel) {_, _ -> }
+                        .setPositiveButton(R.string.ok) {_, _ -> upload() }
+                        .show()
+                }
+            }
+
             option(
                 title = getString(R.string.github_issues),
                 summary = getString(R.string.github_issues_url)
@@ -77,4 +100,15 @@ class SupportActivity : BaseActivity() {
             }
         }
     }
+
+    private fun upload() {
+        launch {
+            withContext(Dispatchers.IO) {
+                val attachment = ErrorAttachmentLog
+                    .attachmentWithText(LogcatDumper.dumpAll(), "logcat.txt")
+
+                Crashes.trackError(UserRequestTrackException(), null, listOf(attachment))
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/github/kr328/clash/dump/LogcatDumper.kt b/app/src/main/java/com/github/kr328/clash/dump/LogcatDumper.kt
index 8db2809..3654d51 100644
--- a/app/src/main/java/com/github/kr328/clash/dump/LogcatDumper.kt
+++ b/app/src/main/java/com/github/kr328/clash/dump/LogcatDumper.kt
@@ -1,10 +1,27 @@
 package com.github.kr328.clash.dump
 
 object LogcatDumper {
-    fun dump(): String {
+    fun dumpCrash(): String {
         return try {
             val process =
-                Runtime.getRuntime().exec(arrayOf("logcat", "-d", "-s", "-v", "raw", "Go", "AndroidRuntime", "DEBUG"))
+                Runtime.getRuntime().exec(arrayOf("logcat", "-d", "-s", "Go", "AndroidRuntime", "DEBUG"))
+
+            val result = process.inputStream.use {
+                it.reader().readText()
+            }
+
+            process.waitFor()
+
+            result
+        } catch (e: Exception) {
+            ""
+        }
+    }
+
+    fun dumpAll(): String {
+        return try {
+            val process =
+                Runtime.getRuntime().exec(arrayOf("logcat", "-d"))
 
             val result = process.inputStream.use {
                 it.reader().readText()
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index dd95094..734020b 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -131,4 +131,7 @@
     <string name="tips_support"><![CDATA[Clash for Android 是一个<strong>免费开源</strong>的项目<br /> 我们<strong>不提供</strong>任何代理服务<br />请务必<strong>不要</strong>反馈非应用自身引起的问题]]></string>
     <string name="donate">捐赠</string>
     <string name="clone_profile">复制配置</string>
+    <string name="upload_logcat">上传日志</string>
+    <string name="upload_logcat_summary">上传日志以帮助我们侦测问题</string>
+    <string name="upload_logcat_warn">请注意, 上传的日志可能包含个人敏感信息, 仍要继续吗?</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 5d7dc23..c74a637 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -173,4 +173,8 @@
     <string name="missing_vpn_component">Missing VPN Components</string>
 
     <string name="profile_not_found">Profile not found</string>
+
+    <string name="upload_logcat">Upload Logcat</string>
+    <string name="upload_logcat_summary">Upload logcat to help us detect issues</string>
+    <string name="upload_logcat_warn">Please note that the uploaded logs may contain personally sensitive information, do you still want to continue?</string>
 </resources>