diff --git a/src/main/java/pw/yumc/YumCore/tellraw/ItemSerialize.java b/src/main/java/pw/yumc/YumCore/tellraw/ItemSerialize.java
index 9f3eeae..cb90dee 100644
--- a/src/main/java/pw/yumc/YumCore/tellraw/ItemSerialize.java
+++ b/src/main/java/pw/yumc/YumCore/tellraw/ItemSerialize.java
@@ -60,9 +60,7 @@ public abstract class ItemSerialize {
         @Override
         public String parse(final ItemStack item) {
             try {
-                final JsonBuilder j = new JsonBuilder();
-                j.append(nmsSaveNBTMethod.invoke(asNMSCopyMethod.invoke(null, item), nmsNBTTagCompound.newInstance()).toString());
-                return j.toString();
+                return new JsonBuilder((nmsSaveNBTMethod.invoke(asNMSCopyMethod.invoke(null, item), nmsNBTTagCompound.newInstance()).toString())).toString();
             } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException | InstantiationException e) {
                 itemSerialize = new Manual();
                 return itemSerialize.parse(item);
@@ -70,74 +68,6 @@ public abstract class ItemSerialize {
         }
     }
 
-    static class JsonBuilder {
-        public static final String[] REPLACEMENT_CHARS;
-        static {
-            REPLACEMENT_CHARS = new String[128];
-            for (int i = 0; i <= 0x1f; i++) {
-                REPLACEMENT_CHARS[i] = String.format("\\u%04x", i);
-            }
-            REPLACEMENT_CHARS['"'] = "\\\"";
-            REPLACEMENT_CHARS['\\'] = "\\\\";
-            REPLACEMENT_CHARS['\t'] = "\\t";
-            REPLACEMENT_CHARS['\b'] = "\\b";
-            REPLACEMENT_CHARS['\n'] = "\\n";
-            REPLACEMENT_CHARS['\r'] = "\\r";
-            REPLACEMENT_CHARS['\f'] = "\\f";
-        }
-        StringBuffer json;
-
-        public JsonBuilder() {
-            json = new StringBuffer();
-        }
-
-        public JsonBuilder(final String string) {
-            json = new StringBuffer(string);
-        }
-
-        public void append(final String value) {
-            int last = 0;
-            final int length = value.length();
-            for (int i = 0; i < length; i++) {
-                final char c = value.charAt(i);
-                String replacement;
-                if (c < 128) {
-                    replacement = REPLACEMENT_CHARS[c];
-                    if (replacement == null) {
-                        continue;
-                    }
-                } else if (c == '\u2028') {
-                    replacement = "\\u2028";
-                } else if (c == '\u2029') {
-                    replacement = "\\u2029";
-                } else {
-                    continue;
-                }
-                if (last < i) {
-                    json.append(value, last, i);
-                }
-                json.append(replacement);
-                last = i + 1;
-            }
-            if (last < length) {
-                json.append(value, last, length);
-            }
-        }
-
-        public void deleteCharAt(final int length) {
-            json.deleteCharAt(length - 1);
-        }
-
-        public int length() {
-            return json.length();
-        }
-
-        @Override
-        public String toString() {
-            return json.toString();
-        }
-    }
-
     static class Manual extends ItemSerialize {
 
         @Override
@@ -162,9 +92,7 @@ public abstract class ItemSerialize {
                 display.append("Lore:[");
                 int i = 0;
                 for (final String line : im.getLore()) {
-                    final JsonBuilder j = new JsonBuilder();
-                    j.append(line);
-                    display.append(String.format("%s:%s,", i, j.toString()));
+                    display.append(String.format("%s:%s,", i, new JsonBuilder(line).toString()));
                     i++;
                 }
                 display.deleteCharAt(display.length() - 1);
diff --git a/src/main/java/pw/yumc/YumCore/tellraw/JsonBuilder.java b/src/main/java/pw/yumc/YumCore/tellraw/JsonBuilder.java
new file mode 100644
index 0000000..58d1034
--- /dev/null
+++ b/src/main/java/pw/yumc/YumCore/tellraw/JsonBuilder.java
@@ -0,0 +1,70 @@
+package pw.yumc.YumCore.tellraw;
+
+public class JsonBuilder {
+    public static final String[] REPLACEMENT_CHARS;
+    static {
+        REPLACEMENT_CHARS = new String[128];
+        for (int i = 0; i <= 0x1f; i++) {
+            REPLACEMENT_CHARS[i] = String.format("\\u%04x", i);
+        }
+        REPLACEMENT_CHARS['"'] = "\\\"";
+        REPLACEMENT_CHARS['\\'] = "\\\\";
+        REPLACEMENT_CHARS['\t'] = "\\t";
+        REPLACEMENT_CHARS['\b'] = "\\b";
+        REPLACEMENT_CHARS['\n'] = "\\n";
+        REPLACEMENT_CHARS['\r'] = "\\r";
+        REPLACEMENT_CHARS['\f'] = "\\f";
+    }
+    StringBuffer json;
+
+    public JsonBuilder() {
+        json = new StringBuffer();
+    }
+
+    public JsonBuilder(final String string) {
+        this();
+        append(string);
+    }
+
+    public void append(final String value) {
+        int last = 0;
+        final int length = value.length();
+        for (int i = 0; i < length; i++) {
+            final char c = value.charAt(i);
+            String replacement;
+            if (c < 128) {
+                replacement = REPLACEMENT_CHARS[c];
+                if (replacement == null) {
+                    continue;
+                }
+            } else if (c == '\u2028') {
+                replacement = "\\u2028";
+            } else if (c == '\u2029') {
+                replacement = "\\u2029";
+            } else {
+                continue;
+            }
+            if (last < i) {
+                json.append(value, last, i);
+            }
+            json.append(replacement);
+            last = i + 1;
+        }
+        if (last < length) {
+            json.append(value, last, length);
+        }
+    }
+
+    public void deleteLastChar() {
+        json.deleteCharAt(json.length() - 1);
+    }
+
+    public int length() {
+        return json.length();
+    }
+
+    @Override
+    public String toString() {
+        return json.toString();
+    }
+}
diff --git a/src/main/java/pw/yumc/YumCore/tellraw/MessagePart.java b/src/main/java/pw/yumc/YumCore/tellraw/MessagePart.java
index c2752af..7a68b79 100644
--- a/src/main/java/pw/yumc/YumCore/tellraw/MessagePart.java
+++ b/src/main/java/pw/yumc/YumCore/tellraw/MessagePart.java
@@ -7,6 +7,10 @@ package pw.yumc.YumCore.tellraw;
  * @author 喵♂呜
  */
 public class MessagePart {
+    private static final String TEXT_FORMAT = "\"text\":\"%s\"";
+    private static final String CLICK_FORMAT = "\"clickEvent\":{\"action\":\"%s\",\"value\":\"%s\"}";
+    private static final String HOVER_FORMAT = "\"hoverEvent\":{\"action\":\"%s\",\"value\":\"%s\"}";
+    private static final String INSERT_FORMAT = " \"insertion\":\"%s\"";
     /**
      * 消息文本
      */
@@ -55,18 +59,18 @@ public class MessagePart {
      */
     public void writeJson(final StringBuffer str) {
         str.append("{");
-        str.append("\"text\":\"" + text + "\"");
+        str.append(String.format(TEXT_FORMAT, text));
         if (clickActionName != null) {
             str.append(",");
-            str.append(String.format("\"clickEvent\":{\"action\":\"%s\",\"value\":\"%s\"}", clickActionName, clickActionData));
+            str.append(String.format(CLICK_FORMAT, clickActionName, clickActionData));
         }
         if (hoverActionName != null) {
             str.append(",");
-            str.append(String.format("\"hoverEvent\":{\"action\":\"%s\",\"value\":\"%s\"}", hoverActionName, hoverActionData));
+            str.append(String.format(HOVER_FORMAT, hoverActionName, hoverActionData));
         }
         if (insertionData != null) {
             str.append(",");
-            str.append(String.format(" \"insertion\":\"%s\"", insertionData));
+            str.append(String.format(INSERT_FORMAT, insertionData));
         }
         str.append("}");
     }
diff --git a/src/main/java/pw/yumc/YumCore/tellraw/Tellraw.java b/src/main/java/pw/yumc/YumCore/tellraw/Tellraw.java
index 82ef60b..2ae7154 100644
--- a/src/main/java/pw/yumc/YumCore/tellraw/Tellraw.java
+++ b/src/main/java/pw/yumc/YumCore/tellraw/Tellraw.java
@@ -117,8 +117,8 @@ public class Tellraw {
     /**
      * 悬浮物品
      *
-     * @param text
-     *            文本
+     * @param json
+     *            物品Json串
      * @return {@link Tellraw}
      */
     public Tellraw item(final String json) {
@@ -136,6 +136,17 @@ public class Tellraw {
         return onClick("open_url", url);
     }
 
+    /**
+     * 打开网址
+     * 
+     * @param url
+     *            网址
+     * @return {@link Tellraw}
+     */
+    public Tellraw openurl(final String url) {
+        return onClick("open_url", url);
+    }
+
     /**
      * 发送Tellraw
      *
@@ -206,6 +217,19 @@ public class Tellraw {
         return then(new MessagePart(text));
     }
 
+    /**
+     * 悬浮物品
+     *
+     * @param name
+     *            物品名称
+     * @param item
+     *            {@link ItemStack}
+     * @return {@link Tellraw}
+     */
+    public Tellraw then(final String name, final ItemStack item) {
+        return then(name).item(ItemSerialize.$(item));
+    }
+
     /**
      * 悬浮消息
      *