diff --git a/build.gradle b/build.gradle
index b5d17fc..c616864 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
 }
 
 group = 'me.skymc'
-version = '5.26'
+version = '5.27'
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
diff --git a/src/main/scala/io/izzel/taboolib/TabooLib.java b/src/main/scala/io/izzel/taboolib/TabooLib.java
index 510e808..b4702a3 100644
--- a/src/main/scala/io/izzel/taboolib/TabooLib.java
+++ b/src/main/scala/io/izzel/taboolib/TabooLib.java
@@ -52,6 +52,12 @@ public class TabooLib {
         logger = TLogger.getUnformatted("TabooLib");
         // 配置文件从 config.yml 修改为 settings.yml 防止与老版本插件冲突
         config = TConfig.create(getPlugin(), "settings.yml");
+        // 配置更新
+        try {
+            config.migrate();
+        } catch (Throwable t) {
+            t.printStackTrace();
+        }
         // 加载版本号
         try {
             version = NumberConversions.toDouble(IO.readFully(Files.getResource("__resources__/version"), StandardCharsets.UTF_8));
diff --git a/src/main/scala/io/izzel/taboolib/module/config/TConfig.java b/src/main/scala/io/izzel/taboolib/module/config/TConfig.java
index 2fe6e33..6262900 100644
--- a/src/main/scala/io/izzel/taboolib/module/config/TConfig.java
+++ b/src/main/scala/io/izzel/taboolib/module/config/TConfig.java
@@ -1,5 +1,6 @@
 package io.izzel.taboolib.module.config;
 
+import com.google.common.base.Preconditions;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import io.izzel.taboolib.TabooLib;
@@ -7,12 +8,14 @@ import io.izzel.taboolib.TabooLibAPI;
 import io.izzel.taboolib.module.locale.TLocale;
 import io.izzel.taboolib.module.locale.logger.TLogger;
 import io.izzel.taboolib.util.Files;
+import io.izzel.taboolib.util.KV;
 import io.izzel.taboolib.util.Ref;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.plugin.Plugin;
 
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -24,12 +27,16 @@ import java.util.Map;
  */
 public class TConfig extends YamlConfiguration {
 
-    private static Map<String, List<File>> files = Maps.newHashMap();
-    private File file;
-    private List<Runnable> runnable = Lists.newArrayList();
+    private static final Map<String, List<File>> files = Maps.newHashMap();
+    private final Plugin plugin;
+    private final File file;
+    private final List<Runnable> runnable = Lists.newArrayList();
+    private final List<KV<String, String[]>> migrate = Lists.newArrayList();
+    private String path;
 
     private TConfig(File file, Plugin plugin) {
         files.computeIfAbsent(plugin.getName(), name -> new ArrayList<>()).add(file);
+        this.plugin = plugin;
         this.file = file;
         reload();
         TConfigWatcher.getInst().addSimpleListener(this.file, this::reload);
@@ -53,7 +60,9 @@ public class TConfig extends YamlConfiguration {
         if (!file.exists()) {
             Files.releaseResource(plugin, path, false);
         }
-        return create(file, plugin);
+        TConfig conf = create(file, plugin);
+        conf.path = path;
+        return conf;
     }
 
     public String getStringColored(String path) {
@@ -89,6 +98,25 @@ public class TConfig extends YamlConfiguration {
         }
     }
 
+    public TConfig migrate() {
+        Preconditions.checkNotNull(path, "path not exists");
+        try (FileInputStream fileInputStream = new FileInputStream(file)) {
+            List<String> migrate = TConfigMigrate.migrate(fileInputStream, Files.getResourceChecked(plugin, path));
+            if (migrate != null) {
+                Files.write(file, w -> {
+                    for (String line : migrate) {
+                        w.write(line);
+                        w.newLine();
+                    }
+                });
+                load(file);
+            }
+        } catch (Throwable t) {
+            t.printStackTrace();
+        }
+        return this;
+    }
+
     // *********************************
     //
     //        Getter and Setter
diff --git a/src/main/scala/io/izzel/taboolib/module/config/TConfigMigrate.java b/src/main/scala/io/izzel/taboolib/module/config/TConfigMigrate.java
new file mode 100644
index 0000000..5c58301
--- /dev/null
+++ b/src/main/scala/io/izzel/taboolib/module/config/TConfigMigrate.java
@@ -0,0 +1,152 @@
+package io.izzel.taboolib.module.config;
+
+import com.google.common.collect.Lists;
+import io.izzel.taboolib.module.db.local.SecuredFile;
+import io.izzel.taboolib.util.ArrayUtil;
+import io.izzel.taboolib.util.Files;
+import io.izzel.taboolib.util.KV;
+import io.izzel.taboolib.util.Strings;
+import org.bukkit.configuration.ConfigurationSection;
+
+import java.io.InputStream;
+import java.text.SimpleDateFormat;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.IntStream;
+
+/**
+ * @Author sky
+ * @Since 2020-04-27 21:02
+ */
+public class TConfigMigrate {
+
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm");
+
+    public static List<String> migrate(InputStream current, InputStream source) {
+        boolean migrated = false;
+        List<String> content = Files.readToList(current);
+        String cc = String.join("\n", content);
+        String cs = String.join("\n", Files.readToList(source));
+        SecuredFile c = SecuredFile.loadConfiguration(cc);
+        SecuredFile s = SecuredFile.loadConfiguration(cs);
+        String hash1 = Strings.hashKeyForDisk(cs, "sha-1");
+        String hash2 = "";
+        for (String line : content) {
+            if (line.startsWith("# HASH ")) {
+                hash2 = line.substring("# HASH ".length()).trim().split(" ")[0];
+                break;
+            }
+        }
+        if (Objects.equals(hash1, hash2)) {
+            return null;
+        }
+        List<KV<String, String[]>> update = Lists.newArrayList();
+        List<KV<String, Object>> contrast = contrast(c.getValues(true), s.getValues(true));
+        for (KV<String, Object> pair : contrast) {
+            int index = pair.getKey().lastIndexOf(".");
+            if (pair.getValue() == null) {
+                Object data = s.get(pair.getKey());
+                String[] nodes = pair.getKey().split("\\.");
+                int regex = 0;
+                int match = 0;
+                int find = -1;
+                for (int i = 0; i < content.size(); i++) {
+                    String line = content.get(i);
+                    for (int j = regex; j < nodes.length; j++) {
+                        if (line.matches("( *)(['\"])?(" + nodes[j] + ")(['\"])?:(.*)")) {
+                            match++;
+                            find = i;
+                            regex = j;
+                            break;
+                        }
+                    }
+                }
+                if (find == -1) {
+                    update.add(new KV<>(pair.getKey(), SecuredFile.dump(data).split("\n")));
+                } else {
+                    String space = Strings.copy("  ", nodes.length - 1);
+                    String[] dumpList = SecuredFile.dump(data).split("\n");
+                    if (dumpList.length > 1) {
+                        IntStream.range(0, dumpList.length).forEach(j -> dumpList[j] = space + "  # " + dumpList[j]);
+                    }
+                    ArrayUtil.addAutoExpand(content, find + 1, space + "# ------------------------- #\n" + space + "#  UPDATE " + dateFormat.format(System.currentTimeMillis()) + "  #\n" + space + "# ------------------------- #", "");
+                    if (dumpList.length == 1) {
+                        ArrayUtil.addAutoExpand(content, find + 2, space + "# " + pair.getKey().substring(index + 1) + ": " + dumpList[0] + "\n", "");
+                    } else {
+                        ArrayUtil.addAutoExpand(content, find + 2, space + "# " + pair.getKey().substring(index + 1) + ":", "");
+                        ArrayUtil.addAutoExpand(content, find + 3, String.join("\n# ", dumpList) + "\n", "");
+                    }
+                    migrated = true;
+                }
+            }
+        }
+        if (update.size() > 0) {
+            content.add("");
+            content.add("# ------------------------- #\n" + "#  UPDATE " + dateFormat.format(System.currentTimeMillis()) + "  #\n" + "# ------------------------- #");
+            for (KV<String, String[]> pair : update) {
+                if (pair.getValue().length == 1) {
+                    content.add("# " + pair.getKey() + ": " + pair.getValue()[0]);
+                } else {
+                    content.add("# " + pair.getKey() + ":");
+                    content.add(String.join("\n# ", pair.getValue()));
+                }
+            }
+            migrated = true;
+        }
+        if (migrated) {
+            if (hash2.isEmpty()) {
+                content.add("");
+                content.add("# --------------------------------------------- #");
+                content.add("# HASH " + hash1 + " #");
+                content.add("# --------------------------------------------- #");
+            } else {
+                for (int i = 0; i < content.size(); i++) {
+                    String line = content.get(i);
+                    if (line.startsWith("# HASH ")) {
+                        content.set(i, "# HASH " + hash1 + " #");
+                        break;
+                    }
+                }
+            }
+        }
+        return migrated ? content : null;
+    }
+
+    public static List<KV<String, Object>> contrast(Map<?, ?> current, Map<?, ?> source) {
+        List<String> deleted = Lists.newArrayList();
+        List<KV<String, Object>> difference = Lists.newArrayList();
+        // change & add
+        for (Map.Entry<?, ?> entry : current.entrySet()) {
+            if (entry.getValue() instanceof ConfigurationSection) {
+                continue;
+            }
+            if (entry.getValue() instanceof Map && source.get(entry.getKey()) instanceof Map) {
+                List<KV<String, Object>> contrast = contrast((Map<?, ?>) entry.getValue(), (Map<?, ?>) source.get(entry.getKey()));
+                for (KV<String, Object> pair : contrast) {
+                    pair.setKey(entry.getKey() + "." + pair.getKey());
+                }
+                difference.addAll(contrast);
+            } else if (!Objects.equals(entry.getValue(), source.get(entry.getKey()))) {
+                difference.add(new KV<>(entry.getKey().toString(), entry.getValue()));
+            }
+        }
+        // delete
+        for (Map.Entry<?, ?> entry : source.entrySet()) {
+            if (deleted.stream().anyMatch(delete -> entry.getKey().toString().startsWith(delete) && delete.split("\\.").length < entry.getKey().toString().split("\\.").length)) {
+                continue;
+            }
+            if (entry.getValue() instanceof Map && current.get(entry.getKey()) instanceof Map) {
+                List<KV<String, Object>> contrast = contrast((Map<?, ?>) entry.getValue(), (Map<?, ?>) source.get(entry.getKey()));
+                for (KV<String, Object> pair : contrast) {
+                    pair.setKey(entry.getKey() + "." + pair.getKey());
+                }
+                difference.addAll(contrast);
+            } else if (!current.containsKey(entry.getKey())) {
+                deleted.add(entry.getKey().toString());
+                difference.add(new KV<>(entry.getKey().toString(), null));
+            }
+        }
+        return difference;
+    }
+}
diff --git a/src/main/scala/io/izzel/taboolib/module/config/TConfigWatcher.java b/src/main/scala/io/izzel/taboolib/module/config/TConfigWatcher.java
index bcbe6ae..b8963e3 100644
--- a/src/main/scala/io/izzel/taboolib/module/config/TConfigWatcher.java
+++ b/src/main/scala/io/izzel/taboolib/module/config/TConfigWatcher.java
@@ -19,7 +19,7 @@ import java.util.function.Consumer;
  */
 public class TConfigWatcher {
 
-    private static TConfigWatcher configWatcher = new TConfigWatcher();
+    private final static TConfigWatcher configWatcher = new TConfigWatcher();
     private final ScheduledExecutorService service = Executors.newScheduledThreadPool(1, new BasicThreadFactory.Builder().namingPattern("TConfigWatcherService-%d").build());
     private final Map<WatchService, Triple<File, Object, Consumer<Object>>> map = new HashMap<>();
 
diff --git a/src/main/scala/io/izzel/taboolib/module/db/local/SecuredFile.java b/src/main/scala/io/izzel/taboolib/module/db/local/SecuredFile.java
index 64704ba..1fc7cc4 100644
--- a/src/main/scala/io/izzel/taboolib/module/db/local/SecuredFile.java
+++ b/src/main/scala/io/izzel/taboolib/module/db/local/SecuredFile.java
@@ -1,9 +1,11 @@
 package io.izzel.taboolib.module.db.local;
 
+import io.izzel.taboolib.module.lite.SimpleReflection;
 import io.izzel.taboolib.util.Files;
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
+import org.yaml.snakeyaml.Yaml;
 
 import java.io.File;
 import java.io.IOException;
@@ -11,7 +13,7 @@ import java.text.SimpleDateFormat;
 import java.util.logging.Level;
 
 /**
- * @Author sky
+ * @Author sky, yumc
  * @Since 2020-02-28 11:14
  */
 public class SecuredFile extends YamlConfiguration {
@@ -39,7 +41,7 @@ public class SecuredFile extends YamlConfiguration {
     public void load(File file) throws InvalidConfigurationException {
         String content = Files.readFromFile(file);
         try {
-            super.loadFromString(Files.readFromFile(file));
+            loadFromString(content);
         } catch (InvalidConfigurationException t) {
             Files.copy(file, new File(file.getParent(), file.getName() + "_" + new SimpleDateFormat("yyyyMMddHHmmss").format(System.currentTimeMillis()) + ".bak"));
             throw t;
@@ -60,6 +62,21 @@ public class SecuredFile extends YamlConfiguration {
         }
     }
 
+    @Override
+    public String saveToString() {
+        return super.saveToString();
+    }
+
+    public static String dump(Object data) {
+        Yaml yaml = (Yaml) SimpleReflection.getFieldValueChecked(YamlConfiguration.class, new YamlConfiguration(), "yaml", true);
+        try {
+            return yaml.dump(data);
+        } catch (Throwable t) {
+            t.printStackTrace();
+        }
+        return "";
+    }
+
     public static SecuredFile loadConfiguration(String contents) {
         SecuredFile config = new SecuredFile();
         try {
diff --git a/src/main/scala/io/izzel/taboolib/module/inject/TInject.java b/src/main/scala/io/izzel/taboolib/module/inject/TInject.java
index 86cb8ff..213e500 100644
--- a/src/main/scala/io/izzel/taboolib/module/inject/TInject.java
+++ b/src/main/scala/io/izzel/taboolib/module/inject/TInject.java
@@ -31,6 +31,8 @@ public @interface TInject {
 
     State state() default State.NONE;
 
+    boolean autoMigrate() default false;
+
     enum State {
 
         LOADING, STARTING, ACTIVATED, NONE
diff --git a/src/main/scala/io/izzel/taboolib/module/inject/TInjectLoader.java b/src/main/scala/io/izzel/taboolib/module/inject/TInjectLoader.java
index a7665f2..c5c5291 100644
--- a/src/main/scala/io/izzel/taboolib/module/inject/TInjectLoader.java
+++ b/src/main/scala/io/izzel/taboolib/module/inject/TInjectLoader.java
@@ -28,7 +28,7 @@ import java.util.Map;
  */
 public class TInjectLoader implements TabooLibLoader.Loader {
 
-    private static Map<Class<?>, TInjectTask> injectTypes = Maps.newLinkedHashMap();
+    private static final Map<Class<?>, TInjectTask> injectTypes = Maps.newLinkedHashMap();
 
     static {
         // Instance Inject
@@ -91,6 +91,9 @@ public class TInjectLoader implements TabooLibLoader.Loader {
                         t.printStackTrace();
                     }
                 }
+                if (args.autoMigrate()) {
+                    config.migrate();
+                }
                 TabooLibLoader.runTask(config::runListener);
             } catch (Exception e) {
                 e.printStackTrace();
diff --git a/src/main/scala/io/izzel/taboolib/util/ArrayUtil.java b/src/main/scala/io/izzel/taboolib/util/ArrayUtil.java
index 0de8063..c93a395 100644
--- a/src/main/scala/io/izzel/taboolib/util/ArrayUtil.java
+++ b/src/main/scala/io/izzel/taboolib/util/ArrayUtil.java
@@ -18,7 +18,7 @@ public class ArrayUtil {
     public static <T> boolean contains(T[] array, T obj) {
         return indexOf(array, obj) != -1;
     }
-    
+
     public static <T> int indexOf(T[] array, T obj) {
         return array == null || array.length == 0 ? -1 : IntStream.range(0, array.length).filter(i -> array[i] != null && array[i].equals(obj)).findFirst().orElse(-1);
     }
@@ -73,6 +73,22 @@ public class ArrayUtil {
         return arrayNew;
     }
 
+    public static <T> List<T> setAutoExpand(List<T> list, int index, T element, T def) {
+        while (list.size() <= index) {
+            list.add(def);
+        }
+        list.set(index, element);
+        return list;
+    }
+
+    public static <T> List<T> addAutoExpand(List<T> list, int index, T element, T def) {
+        while (list.size() <= index) {
+            list.add(def);
+        }
+        list.add(index, element);
+        return list;
+    }
+
     @SuppressWarnings("SuspiciousSystemArraycopy")
     public static <T> T arrayExpand(T oldArray, int expand) {
         int length = Array.getLength(oldArray);
diff --git a/src/main/scala/io/izzel/taboolib/util/Files.java b/src/main/scala/io/izzel/taboolib/util/Files.java
index 179338d..b6e338e 100644
--- a/src/main/scala/io/izzel/taboolib/util/Files.java
+++ b/src/main/scala/io/izzel/taboolib/util/Files.java
@@ -21,6 +21,7 @@ import java.security.MessageDigest;
 import java.util.*;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.jar.JarFile;
+import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -70,6 +71,10 @@ public class Files {
         return plugin instanceof InternalPlugin ? getTabooLibResource(filename) : plugin.getClass().getClassLoader().getResourceAsStream(filename);
     }
 
+    public static InputStream getResourceChecked(Plugin plugin, String filename) {
+        return plugin instanceof InternalPlugin ? getResource(plugin, "__resources__/" + filename) : getResource(filename);
+    }
+
     public static InputStream getTabooLibResource(String filename) {
         return getCanonicalResource(TabooLib.getPlugin(), filename);
     }
@@ -234,7 +239,7 @@ public class Files {
         return Optional.ofNullable(readFromURL(url)).orElse(def);
     }
 
-    public static String readFromURL(String url,  Charset charset, String def) {
+    public static String readFromURL(String url, Charset charset, String def) {
         return Optional.ofNullable(readFromURL(url, charset)).orElse(def);
     }
 
@@ -273,6 +278,24 @@ public class Files {
         return null;
     }
 
+    public static List<String> readToList(File file) {
+        try (FileInputStream fin = new FileInputStream(file); InputStreamReader isr = new InputStreamReader(fin, StandardCharsets.UTF_8); BufferedReader bin = new BufferedReader(isr)) {
+            return bin.lines().collect(Collectors.toList());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return Collections.emptyList();
+    }
+
+    public static List<String> readToList(InputStream inputStream) {
+        try (InputStreamReader isr = new InputStreamReader(inputStream, StandardCharsets.UTF_8); BufferedReader bin = new BufferedReader(isr)) {
+            return bin.lines().collect(Collectors.toList());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return Collections.emptyList();
+    }
+
     public static String readFromStream(InputStream in) {
         return readFromStream(in, 1024, StandardCharsets.UTF_8);
     }
@@ -296,7 +319,9 @@ public class Files {
     }
 
     public static void read(File file, ReadHandle readHandle) {
-        try (FileReader fileReader = new FileReader(file); BufferedReader bufferedReader = new BufferedReader(fileReader)) {
+        try (FileInputStream fileInputStream = new FileInputStream(file);
+             InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, StandardCharsets.UTF_8);
+             BufferedReader bufferedReader = new BufferedReader(inputStreamReader)) {
             readHandle.read(bufferedReader);
         } catch (Throwable t) {
             t.printStackTrace();
@@ -304,7 +329,8 @@ public class Files {
     }
 
     public static void read(InputStream in, ReadHandle readHandle) {
-        try (InputStreamReader inputStreamReader = new InputStreamReader(in); BufferedReader bufferedReader = new BufferedReader(inputStreamReader)) {
+        try (InputStreamReader inputStreamReader = new InputStreamReader(in, StandardCharsets.UTF_8);
+             BufferedReader bufferedReader = new BufferedReader(inputStreamReader)) {
             readHandle.read(bufferedReader);
         } catch (Throwable t) {
             t.printStackTrace();
@@ -312,7 +338,9 @@ public class Files {
     }
 
     public static void write(File file, WriteHandle writeHandle) {
-        try (FileWriter fileWriter = new FileWriter(file); BufferedWriter bufferedWriter = new BufferedWriter(fileWriter)) {
+        try (FileOutputStream fileOutputStream = new FileOutputStream(file);
+             OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, StandardCharsets.UTF_8);
+             BufferedWriter bufferedWriter = new BufferedWriter(outputStreamWriter)) {
             writeHandle.write(bufferedWriter);
             bufferedWriter.flush();
         } catch (Throwable t) {
@@ -321,7 +349,9 @@ public class Files {
     }
 
     public static void writeAppend(File file, WriteHandle writeHandle) {
-        try (FileWriter fileWriter = new FileWriter(file, true); BufferedWriter bufferedWriter = new BufferedWriter(fileWriter)) {
+        try (FileOutputStream fileOutputStream = new FileOutputStream(file, true);
+             OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, StandardCharsets.UTF_8);
+             BufferedWriter bufferedWriter = new BufferedWriter(outputStreamWriter)) {
             writeHandle.write(bufferedWriter);
             bufferedWriter.flush();
         } catch (Throwable t) {
@@ -330,7 +360,8 @@ public class Files {
     }
 
     public static void write(OutputStream out, WriteHandle writeHandle) {
-        try (OutputStreamWriter outputStreamWriter = new OutputStreamWriter(out); BufferedWriter bufferedWriter = new BufferedWriter(outputStreamWriter)) {
+        try (OutputStreamWriter outputStreamWriter = new OutputStreamWriter(out, StandardCharsets.UTF_8);
+             BufferedWriter bufferedWriter = new BufferedWriter(outputStreamWriter)) {
             writeHandle.write(bufferedWriter);
             bufferedWriter.flush();
         } catch (Throwable t) {
@@ -355,14 +386,14 @@ public class Files {
     }
 
     public static String getFileHash(File file, String algorithm) {
-        try(FileInputStream fileInputStream = new FileInputStream(file)) {
+        try (FileInputStream fileInputStream = new FileInputStream(file)) {
             MessageDigest digest = MessageDigest.getInstance(algorithm);
             byte[] buffer = new byte[1024];
             int length;
             while ((length = fileInputStream.read(buffer, 0, 1024)) != -1) {
                 digest.update(buffer, 0, length);
             }
-            byte[] md5Bytes  = digest.digest();
+            byte[] md5Bytes = digest.digest();
             return new BigInteger(1, md5Bytes).toString(16);
         } catch (Throwable t) {
             t.printStackTrace();
diff --git a/src/main/scala/io/izzel/taboolib/util/Strings.java b/src/main/scala/io/izzel/taboolib/util/Strings.java
index 6f4ba08..7dd2d3f 100644
--- a/src/main/scala/io/izzel/taboolib/util/Strings.java
+++ b/src/main/scala/io/izzel/taboolib/util/Strings.java
@@ -60,9 +60,13 @@ public class Strings {
     }
 
     public static String hashKeyForDisk(String key) {
+        return hashKeyForDisk(key, "MD5");
+    }
+
+    public static String hashKeyForDisk(String key, String type) {
         String cacheKey;
         try {
-            final MessageDigest mDigest = MessageDigest.getInstance("MD5");
+            final MessageDigest mDigest = MessageDigest.getInstance(type);
             mDigest.update(key.getBytes());
             cacheKey = bytesToHexString(mDigest.digest());
         } catch (NoSuchAlgorithmException e) {