diff --git a/build.gradle b/build.gradle
index 66ba5bb..95ecb71 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
     id 'com.github.johnrengelman.shadow' version '4.0.4'
 }
 group = 'me.skymc'
-version = '4.76'
+version = '4.77'
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
diff --git a/src/main/scala/com/ilummc/tlib/resources/TLocale.java b/src/main/scala/com/ilummc/tlib/resources/TLocale.java
index 12175fe..1b41f23 100644
--- a/src/main/scala/com/ilummc/tlib/resources/TLocale.java
+++ b/src/main/scala/com/ilummc/tlib/resources/TLocale.java
@@ -52,6 +52,10 @@ public class TLocale {
         Ref.getCallerClass(3).ifPresent(clazz -> sendTo(path, sender, args, clazz));
     }
 
+    public static void broadcast(String path, String... args) {
+        Ref.getCallerClass(3).ifPresent(clazz -> Bukkit.getOnlinePlayers().forEach(player -> sendTo(path, player, args, clazz)));
+    }
+
     public static String asString(String path, String... args) {
         try {
             return asString(path, Ref.getCallerClass(3).orElse(Main.class), args);
@@ -119,6 +123,14 @@ public class TLocale {
             return args.stream().map(var -> ChatColor.translateAlternateColorCodes('&', var)).collect(Collectors.toList());
         }
 
+        public static String setUncolored(String args) {
+            return ChatColor.stripColor(args);
+        }
+
+        public static List<String> setUncolored(List<String> args) {
+            return args.stream().map(ChatColor::stripColor).collect(Collectors.toList());
+        }
+
         public static String setPlaceholders(CommandSender sender, String args) {
             return isPlaceholderPluginEnabled() ? sender instanceof Player ? PlaceholderAPI.setPlaceholders((Player) sender, args) : args : args;
         }
diff --git a/src/main/scala/me/skymc/taboolib/common/inject/TInjectLoader.java b/src/main/scala/me/skymc/taboolib/common/inject/TInjectLoader.java
index c8907bd..d0423bb 100644
--- a/src/main/scala/me/skymc/taboolib/common/inject/TInjectLoader.java
+++ b/src/main/scala/me/skymc/taboolib/common/inject/TInjectLoader.java
@@ -8,6 +8,8 @@ import me.skymc.taboolib.commands.builder.SimpleCommandBuilder;
 import me.skymc.taboolib.common.configuration.TConfiguration;
 import me.skymc.taboolib.common.packet.TPacketHandler;
 import me.skymc.taboolib.common.packet.TPacketListener;
+import me.skymc.taboolib.cooldown.seconds.CooldownPack2;
+import me.skymc.taboolib.cooldown.seconds.CooldownUtils2;
 import org.bukkit.plugin.Plugin;
 
 import java.lang.reflect.Field;
@@ -71,6 +73,14 @@ public class TInjectLoader implements TabooLibLoader.Loader {
                 e.printStackTrace();
             }
         });
+        // CooldownPack Inject
+        injectTypes.put(CooldownPack2.class, (plugin, field, args, instance) -> {
+           try {
+               CooldownUtils2.register((CooldownPack2) field.get(instance), plugin);
+           } catch (Throwable t) {
+               t.printStackTrace();
+           }
+        });
     }
 
     @Override
diff --git a/src/main/scala/me/skymc/taboolib/inventory/TEquipment.java b/src/main/scala/me/skymc/taboolib/inventory/TEquipment.java
new file mode 100644
index 0000000..4e131ec
--- /dev/null
+++ b/src/main/scala/me/skymc/taboolib/inventory/TEquipment.java
@@ -0,0 +1,78 @@
+package me.skymc.taboolib.inventory;
+
+import com.google.common.collect.Maps;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.EquipmentSlot;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.Arrays;
+import java.util.Map;
+
+/**
+ * @Author 坏黑
+ * @Since 2019-04-25 22:01
+ */
+public enum TEquipment {
+
+    HAND(EquipmentSlot.HAND, -1),
+
+    OFF_HAND(EquipmentSlot.OFF_HAND, 40),
+
+    FEET(EquipmentSlot.FEET, 36),
+
+    LEGS(EquipmentSlot.LEGS, 37),
+
+    CHEST(EquipmentSlot.CHEST, 38),
+
+    HEAD(EquipmentSlot.HEAD, 39);
+
+    private EquipmentSlot bukkit;
+    private int slot;
+
+    TEquipment(EquipmentSlot bukkit, int slot) {
+        this.bukkit = bukkit;
+        this.slot = slot;
+    }
+
+    public void setItem(Player player, ItemStack item) {
+        if (this != HAND) {
+            player.getInventory().setItem(slot, item);
+        } else {
+            player.setItemInHand(item);
+        }
+    }
+
+    public ItemStack getItem(Player player) {
+        if (this != HAND) {
+            return player.getInventory().getItem(slot);
+        } else {
+            return player.getItemInHand();
+        }
+    }
+
+    public static TEquipment fromBukkit(EquipmentSlot bukkit) {
+        return Arrays.stream(values()).filter(tEquipment -> tEquipment.bukkit == bukkit).findFirst().orElse(null);
+    }
+
+    public static Map<TEquipment, ItemStack> getItems(Player player) {
+        Map<TEquipment, ItemStack> map = Maps.newHashMap();
+        for (TEquipment equipment : values()) {
+            map.put(equipment, equipment.getItem(player));
+        }
+        return map;
+    }
+
+    // *********************************
+    //
+    //        Getter and Setter
+    //
+    // *********************************
+
+    public EquipmentSlot getBukkit() {
+        return bukkit;
+    }
+
+    public int getSlot() {
+        return slot;
+    }
+}
diff --git a/src/main/scala/me/skymc/taboolib/json/tellraw/TellrawJson.java b/src/main/scala/me/skymc/taboolib/json/tellraw/TellrawJson.java
index f7f87c5..60df295 100644
--- a/src/main/scala/me/skymc/taboolib/json/tellraw/TellrawJson.java
+++ b/src/main/scala/me/skymc/taboolib/json/tellraw/TellrawJson.java
@@ -6,6 +6,7 @@ import com.ilummc.tlib.resources.TLocale;
 import com.ilummc.tlib.util.Strings;
 import me.skymc.taboolib.TabooLib;
 import me.skymc.taboolib.string.ArrayUtils;
+import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
@@ -55,6 +56,14 @@ public class TellrawJson {
         return new TellrawJson();
     }
 
+    public void broadcast() {
+        Bukkit.getOnlinePlayers().forEach(player -> send(player, new String[0]));
+    }
+
+    public void broadcast(String... args) {
+        Bukkit.getOnlinePlayers().forEach(player -> send(player, args));
+    }
+
     public void send(CommandSender sender) {
         send(sender, new String[0]);
     }