修改压缩接口

Author: Jiang Yin

Scripts/Runtime/Utility/DefaultZipHelper.cs

@@ -39,6 +39,18 @@ public byte[] Compress(byte[] bytes)
                 }
 
                 result = memoryStream.ToArray();
+
+                if (result.Length >= 8)
+                {
+                    result[4] = 25;
+                    result[5] = 134;
+                    result[6] = 2;
+                    result[7] = 32;
+                }
+            }
+            catch
+            {
+
             }
             finally
             {
@@ -49,14 +61,6 @@ public byte[] Compress(byte[] bytes)
                 }
             }
 
-            if (result != null && result.Length >= 8)
-            {
-                result[4] = 25;
-                result[5] = 134;
-                result[6] = 2;
-                result[7] = 32;
-            }
-
             return result;
         }
 
@@ -69,7 +73,7 @@ public byte[] Decompress(byte[] bytes)
         {
             if (bytes == null || bytes.Length <= 0)
             {
-                return bytes;
+                return null;
             }
 
             MemoryStream decompressedStream = null;
@@ -91,6 +95,10 @@ public byte[] Decompress(byte[] bytes)
 
                 return decompressedStream.ToArray();
             }
+            catch
+            {
+                return null;
+            }
             finally
             {
                 if (decompressedStream != null)