diff --git a/app/build.gradle b/app/build.gradle
index 096c08f..449a3e3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,8 @@ android {
         applicationId "com.github.kr328.clash"
         minSdkVersion 24
         targetSdkVersion 29
-        versionCode 10013
-        versionName "1.0.13-alpha"
+        versionCode 10014
+        versionName "1.0.14-alpha"
     }
     buildTypes {
         release {
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 7f2f7b6..c6c24bb 100644
--- a/app/src/main/java/com/github/kr328/clash/MainApplication.kt
+++ b/app/src/main/java/com/github/kr328/clash/MainApplication.kt
@@ -2,6 +2,7 @@ package com.github.kr328.clash
 
 import android.app.Application
 import android.content.Context
+import com.crashlytics.android.Crashlytics
 import com.github.kr328.clash.core.Constants
 import com.github.kr328.clash.core.utils.Log
 import com.google.firebase.FirebaseApp
@@ -37,21 +38,32 @@ class MainApplication : Application() {
             }
 
             override fun warn(message: String, throwable: Throwable?) {
+                throwable?.also {
+                    Crashlytics.logException(it)
+                }
 
+                android.util.Log.w(Constants.TAG, message, throwable)
             }
 
             override fun error(message: String, throwable: Throwable?) {
-                TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+                throwable?.also {
+                    Crashlytics.logException(it)
+                }
+
+                android.util.Log.e(Constants.TAG, message, throwable)
             }
 
             override fun wtf(message: String, throwable: Throwable?) {
-                TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+                throwable?.also {
+                    Crashlytics.logException(it)
+                }
+
+                android.util.Log.wtf(Constants.TAG, message, throwable)
             }
 
             override fun debug(message: String, throwable: Throwable?) {
-                TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+                android.util.Log.d(Constants.TAG, message, throwable)
             }
-
         }
     }
 }
\ No newline at end of file
diff --git a/core/src/main/java/com/github/kr328/clash/core/BaseClash.kt b/core/src/main/java/com/github/kr328/clash/core/BaseClash.kt
index 6801770..104d3b4 100644
--- a/core/src/main/java/com/github/kr328/clash/core/BaseClash.kt
+++ b/core/src/main/java/com/github/kr328/clash/core/BaseClash.kt
@@ -46,18 +46,13 @@ abstract class BaseClash(private val controllerPath: File) {
     ): R? {
         return try {
             runControl(command, block)
-        } catch (e: Exception) {
-            Log.w("Run command $command failure", e)
-            null
-        }
+        } catch (ignored: Exception) { null }
     }
 
     protected fun runControlNoException(command: Int) {
         try {
             runControl(command)
-        } catch (e: Exception) {
-            Log.w("Run command $command failure", e)
-        }
+        } catch (ignored: Exception) {}
     }
 
     protected fun DataOutputStream.writeString(string: String) {