diff --git a/build.gradle b/build.gradle
index 17eca09e8..24c35a5ef 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.topjohnwu.magisk"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 80
-        versionName "5.5.0"
+        versionCode 82
+        versionName "5.5.1"
         ndk {
             moduleName 'zipadjust'
             abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
diff --git a/src/main/assets/changelog.md b/src/main/assets/changelog.md
index 751c981d1..9c7638d67 100644
--- a/src/main/assets/changelog.md
+++ b/src/main/assets/changelog.md
@@ -1,3 +1,6 @@
+### v5.5.1
+- Fix an issue in setting up superuser database
+
 ### v5.5.0
 - Fix dynamic resource loading, prevent crashes when checking SafetyNet
 - Update SignAPK to use very little RAM for supporting old devices
diff --git a/src/main/java/com/topjohnwu/magisk/FlashActivity.java b/src/main/java/com/topjohnwu/magisk/FlashActivity.java
index 9bdc3afdd..e5f5c30cd 100644
--- a/src/main/java/com/topjohnwu/magisk/FlashActivity.java
+++ b/src/main/java/com/topjohnwu/magisk/FlashActivity.java
@@ -56,7 +56,7 @@ public class FlashActivity extends Activity {
     void saveLogs() {
         Calendar now = Calendar.getInstance();
         String filename = String.format(Locale.US,
-                "install_log_%04d%02d%02d_%02d:%02d:%02d.log",
+                "install_log_%04d%02d%02d_%02d%02d%02d.log",
                 now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
                 now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
                 now.get(Calendar.MINUTE), now.get(Calendar.SECOND));
diff --git a/src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java b/src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java
index 92e1de515..3aecbf007 100644
--- a/src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java
+++ b/src/main/java/com/topjohnwu/magisk/MagiskLogFragment.java
@@ -114,7 +114,7 @@ public class MagiskLogFragment extends Fragment {
             switch (mode) {
                 case 0:
                     StringBuildingList logList = new StringBuildingList();
-                    Shell.su(logList, "cat " + Const.MAGISK_LOG + " | tail -n 1000");
+                    Shell.su(logList, "cat " + Const.MAGISK_LOG + " | tail -n 5000");
                     return logList.getCharSequence();
 
                 case 1:
@@ -125,7 +125,7 @@ public class MagiskLogFragment extends Fragment {
                 case 2:
                     Calendar now = Calendar.getInstance();
                     String filename = String.format(Locale.US,
-                            "magisk_log_%04d%02d%02d_%02d:%02d:%02d.log",
+                            "magisk_log_%04d%02d%02d_%02d%02d%02d.log",
                             now.get(Calendar.YEAR), now.get(Calendar.MONTH) + 1,
                             now.get(Calendar.DAY_OF_MONTH), now.get(Calendar.HOUR_OF_DAY),
                             now.get(Calendar.MINUTE), now.get(Calendar.SECOND));
diff --git a/src/main/java/com/topjohnwu/magisk/utils/Const.java b/src/main/java/com/topjohnwu/magisk/utils/Const.java
index 0a5669369..a95b53393 100644
--- a/src/main/java/com/topjohnwu/magisk/utils/Const.java
+++ b/src/main/java/com/topjohnwu/magisk/utils/Const.java
@@ -89,7 +89,7 @@ public class Const {
         public static final String FILE_URL = "https://raw.githubusercontent.com/Magisk-Modules-Repo/%s/master/%s";
         public static final String ZIP_URL = "https://github.com/Magisk-Modules-Repo/%s/archive/master.zip";
         public static final String DONATION_URL = "https://www.paypal.me/topjohnwu";
-        public static final String XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3432382";
+        public static final String XDA_THREAD = "http://forum.xda-developers.com/showthread.php?t=3473445";
         public static final String SOURCE_CODE_URL = "https://github.com/topjohnwu/MagiskManager";
     }