diff --git a/src/main/java/pw/yumc/YumCore/bukkit/compatible/C.java b/src/main/java/pw/yumc/YumCore/bukkit/compatible/C.java
index 5cac378..9713a53 100644
--- a/src/main/java/pw/yumc/YumCore/bukkit/compatible/C.java
+++ b/src/main/java/pw/yumc/YumCore/bukkit/compatible/C.java
@@ -52,9 +52,9 @@ public class C {
             getHandle = typeCraftPlayer.getMethod("getHandle");
             playerConnection = typeNMSPlayer.getField("playerConnection");
             sendPacket = typePlayerConnection.getMethod("sendPacket", Class.forName(a("Packet")));
-        } catch (final Throwable e) {
+        } catch (final Exception e) {
             Log.warning(C.class.getSimpleName() + " 兼容性工具初始化失败 可能造成部分功能不可用!");
-            e.printStackTrace();
+            Log.debug(e);
         }
     }
 
@@ -225,7 +225,7 @@ public class C {
                     }
                 }
                 // getOnlinePlayers end
-            } catch (NoSuchMethodException | SecurityException e) {
+            } catch (final Exception e) {
                 Log.warning(Player.class.getSimpleName() + "兼容性工具初始化失败 可能造成部分功能不可用!");
             }
             try {
@@ -246,6 +246,7 @@ public class C {
                 craftOfflinePlayerConstructor.setAccessible(true);
                 // getOfflinePlayer end
             } catch (final Exception e) {
+                Log.debug(e);
             }
         }
 
@@ -261,7 +262,7 @@ public class C {
                 final Object gameProfile = gameProfileConstructor.newInstance(new Object[] { UUID.nameUUIDFromBytes(("OfflinePlayer:" + playerName).getBytes(Charsets.UTF_8)), playerName });
                 final Object offlinePlayer = craftOfflinePlayerConstructor.newInstance(new Object[] { Bukkit.getServer(), gameProfile });
                 return (OfflinePlayer) offlinePlayer;
-            } catch (final Throwable e) {
+            } catch (final Exception e) {
                 return Bukkit.getOfflinePlayer(playerName);
             }
         }
@@ -274,7 +275,7 @@ public class C {
         public static Collection<? extends org.bukkit.entity.Player> getOnlinePlayers() {
             try {
                 return Arrays.asList((org.bukkit.entity.Player[]) getOnlinePlayers.invoke(null));
-            } catch (final Throwable e) {
+            } catch (final Exception e) {
                 return Bukkit.getOnlinePlayers();
             }
         }
@@ -399,13 +400,13 @@ public class C {
                     Object serialized = nmsChatSerializer.getMethod("a", String.class).invoke(null, "{\"text\":\"" + ChatColor.translateAlternateColorCodes('&', title) + "\"}");
                     packet = packetTitle.getConstructor(packetActions, nmsIChatBaseComponent).newInstance(actions[0], serialized);
                     sendPacket.invoke(connection, packet);
-                    if (subtitle != "") {
+                    if (!"".equals(subtitle)) {
                         // Send subtitle if present
                         serialized = nmsChatSerializer.getMethod("a", String.class).invoke(null, "{\"text\":\"" + ChatColor.translateAlternateColorCodes('&', subtitle) + "\"}");
                         packet = packetTitle.getConstructor(packetActions, nmsIChatBaseComponent).newInstance(actions[1], serialized);
                         sendPacket.invoke(connection, packet);
                     }
-                } catch (final Throwable e) {
+                } catch (final Exception e) {
                     e.printStackTrace();
                 }
             }
diff --git a/src/main/java/pw/yumc/YumCore/statistic/Statistics.java b/src/main/java/pw/yumc/YumCore/statistic/Statistics.java
index 606d398..93c0ae7 100644
--- a/src/main/java/pw/yumc/YumCore/statistic/Statistics.java
+++ b/src/main/java/pw/yumc/YumCore/statistic/Statistics.java
@@ -130,40 +130,37 @@ public class Statistics {
      * @param param
      *            请求参数
      * @return 所代表远程资源的响应结果
+     * @throws IOException
      */
-    public static String postData(final String url, final String param) {
+    public static String postData(final String url, final String param) throws IOException {
         PrintWriter out = null;
         String result = "";
-        try {
-            final URL realUrl = new URL(url);
-            // 打开和URL之间的连接
-            final URLConnection conn = realUrl.openConnection();
-            // 设置通用的请求属性
-            conn.setRequestProperty("Accept", "*/*");
-            conn.setRequestProperty("Connection", "Keep-Alive");
-            conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36");
-            // 设置超时时间 10秒
-            conn.setReadTimeout(10000);
-            // 发送POST请求必须设置如下两行
-            conn.setDoOutput(true);
-            conn.setDoInput(true);
-            // 获取URLConnection对象对应的输出流
-            out = new PrintWriter(conn.getOutputStream());
-            // 发送请求参数
-            out.write(param);
-            // flush输出流的缓冲
-            out.flush();
-            String response = "";
-            final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), UTF_8));
-            while ((response = reader.readLine()) != null) {
-                result += response;
-            }
-            reader.close();
-        } catch (final Exception e) {
-        } finally {
-            if (out != null) {
-                out.close();
-            }
+        final URL realUrl = new URL(url);
+        // 打开和URL之间的连接
+        final URLConnection conn = realUrl.openConnection();
+        // 设置通用的请求属性
+        conn.setRequestProperty("Accept", "*/*");
+        conn.setRequestProperty("Connection", "Keep-Alive");
+        conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36");
+        // 设置超时时间 10秒
+        conn.setReadTimeout(10000);
+        // 发送POST请求必须设置如下两行
+        conn.setDoOutput(true);
+        conn.setDoInput(true);
+        // 获取URLConnection对象对应的输出流
+        out = new PrintWriter(conn.getOutputStream());
+        // 发送请求参数
+        out.write(param);
+        // flush输出流的缓冲
+        out.flush();
+        String response = "";
+        final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), UTF_8));
+        while ((response = reader.readLine()) != null) {
+            result += response;
+        }
+        reader.close();
+        if (out != null) {
+            out.close();
         }
         return result;
     }