diff --git a/app/build.gradle b/app/build.gradle
index 212b256..ced1825 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,14 +8,14 @@ android {
         applicationId "net.fengberd.minecraftpe_server"
         minSdkVersion 14
         targetSdkVersion 21
-        versionCode 1094
-        versionName "1.0.9.4"
+        versionCode 1095
+        versionName "1.0.9.5"
         vectorDrawables.useSupportLibrary = true
     }
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/app/src/main/java/moe/berd/pocket_server/activity/MainActivity.java b/app/src/main/java/moe/berd/pocket_server/activity/MainActivity.java
index 951f452..c02b974 100644
--- a/app/src/main/java/moe/berd/pocket_server/activity/MainActivity.java
+++ b/app/src/main/java/moe/berd/pocket_server/activity/MainActivity.java
@@ -354,7 +354,11 @@ public boolean openUrlFromJson(String key)
 			startActivity(new Intent(Intent.ACTION_VIEW,Uri.parse(urls_json.getString(key))));
 			return true;
 		}
-		catch(JSONException e)
+		catch(ActivityNotFoundException e)
+		{
+			toast("Open failed.");
+		}
+		catch(Exception e)
 		{
 			toast(e.toString());
 		}