diff --git a/Apewer/BytesUtility.cs b/Apewer/BytesUtility.cs
index 20b682c..68371d0 100644
--- a/Apewer/BytesUtility.cs
+++ b/Apewer/BytesUtility.cs
@@ -271,7 +271,7 @@ namespace Apewer
         /// <summary>转换字节数组为文本，默认使用 UTF-8 代码页。</summary>
         public static string ToText(byte[] bytes, Encoding encoding = null)
         {
-            if (bytes.Length < 1) return Constant.EmptyString;
+            if (bytes == null || bytes.Length < 1) return Constant.EmptyString;
             try { return (encoding ?? Encoding.UTF8).GetString(bytes); }
             catch { return Constant.EmptyString; }
         }
@@ -464,26 +464,23 @@ namespace Apewer
         {
             if (files == null) return null;
 
-            var output = new MemoryStream();
-
-            var input = null as Stream;
-            var ex = ToZip(files.Keys, output, (name) =>
+            using (var output = new MemoryStream())
             {
-                RuntimeUtility.Dispose(input);
-                if (name.IsEmpty()) return null;
+                var ex = ToZip(files.Keys, output, (name) =>
+                {
+                    if (name.IsEmpty()) return null;
 
-                var bytes = files[name];
-                if (bytes == null || bytes.LongLength < 1L) return null;
+                    var bytes = files[name];
+                    if (bytes == null || bytes.LongLength < 1L) return null;
 
-                input = new MemoryStream();
-                Write(input, bytes);
-                return input;
-            }, null, true);
-            RuntimeUtility.Dispose(input);
+                    var input = new MemoryStream();
+                    Write(input, bytes);
+                    input.Position = 0;
+                    return input;
+                }, null, true);
 
-            var result = output.ToArray();
-            RuntimeUtility.Dispose(result);
-            return result;
+                return output.ToArray();
+            }
         }
 
         /// <summary>解压 ZIP 文件。</summary>
@@ -997,7 +994,7 @@ namespace Apewer
         /// <exception cref="CryptographicException" />
         public static byte[] AesDecrypt(byte[] cipher, byte[] key, CipherMode cipherMode = CipherMode.ECB, PaddingMode paddingMode = PaddingMode.PKCS7)
         {
-            return UseAes(cipher, key, null, cipherMode, paddingMode, (rijndael) => rijndael.CreateEncryptor(rijndael.Key, rijndael.IV));
+            return UseAes(cipher, key, null, cipherMode, paddingMode, (rijndael) => rijndael.CreateDecryptor(rijndael.Key, rijndael.IV));
         }
 
         /// <summary>执行 AES 128/192/256 解密。</summary>
@@ -1012,7 +1009,7 @@ namespace Apewer
         /// <exception cref="CryptographicException" />
         public static byte[] AesDecrypt(byte[] cipher, byte[] key, byte[] iv, CipherMode cipherMode = CipherMode.ECB, PaddingMode paddingMode = PaddingMode.PKCS7)
         {
-            return UseAes(cipher, key, iv, cipherMode, paddingMode, (rijndael) => rijndael.CreateEncryptor(rijndael.Key, rijndael.IV));
+            return UseAes(cipher, key, iv, cipherMode, paddingMode, (rijndael) => rijndael.CreateDecryptor(rijndael.Key, rijndael.IV));
         }
 
         #endregion
diff --git a/Apewer/CollectionUtility.cs b/Apewer/CollectionUtility.cs
index 51997a9..16ee9b4 100644
--- a/Apewer/CollectionUtility.cs
+++ b/Apewer/CollectionUtility.cs
@@ -655,7 +655,7 @@ namespace Apewer
         /// <summary>根据条件筛选，将符合条件的元素组成新数组。</summary>
         public static T[] FindAll<T>(this IEnumerable<T> collection, Predicate<T> match)
         {
-            if (collection == null) new ArgumentNullException(nameof(collection));
+            if (collection == null) throw new ArgumentNullException(nameof(collection));
             if (match == null) throw new ArgumentNullException(nameof(match));
 
             if (collection is T[] array)
@@ -765,7 +765,7 @@ namespace Apewer
                     if (capacity == count)
                     {
                         capacity += 1024;
-                        list.Capacity += capacity;
+                        list.Capacity = capacity;
                     }
                     list.Add(selector.Invoke(item, count));
                     count += 1;
@@ -999,7 +999,7 @@ namespace Apewer
             // 生成新数组
             var result = new T[array.Length];
             for (var i = 0; i < result.Length; i++) result[i] = array[i];
-            result[index] = value;
+            result[offset] = value;
 
             return result;
         }
diff --git a/Apewer/Logger.cs b/Apewer/Logger.cs
index 6ab5467..4964265 100644
--- a/Apewer/Logger.cs
+++ b/Apewer/Logger.cs
@@ -365,7 +365,7 @@ namespace Apewer
             if (bytes.Length > 0)
             {
                 var gzipData = BytesUtility.ToGzip(bytes);
-                if (gzipData != null || gzipData.Length > 0)
+                if (gzipData != null && gzipData.Length > 0)
                 {
                     var gzipPath = path + ".gzip";
                     StorageUtility.WriteFile(gzipPath, gzipData);
diff --git a/Apewer/NumberUtility.cs b/Apewer/NumberUtility.cs
index 52b6fa2..d6706a9 100644
--- a/Apewer/NumberUtility.cs
+++ b/Apewer/NumberUtility.cs
@@ -428,7 +428,6 @@ namespace Apewer
                 foreach (var value in values)
                 {
                     up += (value - avg) * (value - avg);
-                    count++;
                 }
             }
 
diff --git a/Apewer/Source/Execute.cs b/Apewer/Source/Execute.cs
index 80df06a..c5cfa78 100644
--- a/Apewer/Source/Execute.cs
+++ b/Apewer/Source/Execute.cs
@@ -24,7 +24,7 @@ namespace Apewer.Source
         /// <summary>创建实例。</summary>
         public Execute(bool success, string message)
         {
-            _success = false;
+            _success = success;
             _message = message;
         }
 
diff --git a/Apewer/Source/Query.cs b/Apewer/Source/Query.cs
index d1fc953..44e1d7e 100644
--- a/Apewer/Source/Query.cs
+++ b/Apewer/Source/Query.cs
@@ -22,7 +22,7 @@ namespace Apewer.Source
         /// <summary>创建实例，默认状态为失败。</summary>
         public Query(bool success = false, string message = null)
         {
-            _success = false;
+            _success = success;
             _message = message;
         }
 
diff --git a/Apewer/StorageUtility.cs b/Apewer/StorageUtility.cs
index 49f5510..e4eb4b6 100644
--- a/Apewer/StorageUtility.cs
+++ b/Apewer/StorageUtility.cs
@@ -82,7 +82,7 @@ namespace Apewer
                     if (!Directory.Exists(path)) return new DirectoryNotFoundException();
 
                     var temp = Environment.GetEnvironmentVariable("TEMP");
-                    var name = Path.GetDirectoryName(path);
+                    var name = Path.GetFileName(path);
 
                     var dest = null as string;
                     while (dest == null || Directory.Exists(dest))
diff --git a/Apewer/TextUtility.cs b/Apewer/TextUtility.cs
index 4c7b208..33e6cab 100644
--- a/Apewer/TextUtility.cs
+++ b/Apewer/TextUtility.cs
@@ -137,7 +137,7 @@ namespace Apewer
 
                 if (cell is string) text = cell as string;
                 else if (cell is Type type) text = type.Name;
-                else cell.ToString();
+                else text = cell.ToString();
 
                 if (string.IsNullOrEmpty(text)) continue;
                 if (!first && hasSeparator) sb.Append(separator);
@@ -610,7 +610,8 @@ namespace Apewer
 
                 // foot
                 length = text.IndexOf(foot);
-                if (length < 1) return text;
+                if (length == 0) return Empty;
+                if (length < 0) return text;
                 return text.Substring(0, length);
             }
             else