diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..6338bfd
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Platform
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
index 8a3bbbb..86fe860 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,7 @@ m3_128.AsBytes()
 // output: [182 25 164 232]
 ```
 
+LICENSE 
+---
+
+Copyright (c) 2020 Platform BigData Adtech Admicro
\ No newline at end of file
diff --git a/tmp.txt b/tmp.txt
deleted file mode 100644
index d58aedb..0000000
--- a/tmp.txt
+++ /dev/null
@@ -1,99 +0,0 @@
-804e378a1fc2ae47cb1729b57a7fb4dd
-
-
-Java:
-
-dịch trái
-
-k2 = RotateLeft(k2, 33)
-k2 *= c1
-h2 ^= k2
-
--1429430960931417013L << 33 = -7099457975374315520
-
--1429430960931417013L >>> -33 = 7924303930
-
-
--7099457975374315520L | 7924303930L
-
--7099457967450011590
-
-x >> y, với x là số âm nó tương đương với: x>> y + (2 <<  (^y))
-
-
-9223372036854775807
-
-public int asInt() {
-    return this.bytes[0] & 255 | (this.bytes[1] & 255) << 8 | (this.bytes[2] & 255) << 16 | (this.bytes[3] & 255) << 24;
-}
-
-
-seed:
--1467523828
-
-data:
-"681236075540516864"
-
-
-hash:
-ver guava 11.0.2
-e8a419b6a02dd4769f55b02614e8644e
-
-ver guava 13:
-e8a419b6a02dd4769f55b02614e8644e
-e8a419b6a02dd4769f55b02614e8644e
-
-murmur3_128 8 byte đầu:
-h1:
--4679499707516148273
-h2:
-3525630834450039407
-
-murmur3_128 8 byte thứ 2:
-h1:
--1462970647251474314
-h2:
-7348657231571827987
-
-
-length 32
-
-i = 15
-
-
-kết quả sau khi remainingProcess mixK1, mixK2:
-h1:
-7114075945533132289
-7348657231571827987
-length = 36
-
-
-Kết quả của hàm fmix64: 
-
--3984010896604591268
-k ^= k >>> 33 
--3984010895058275643
-
-
-
-
-Kết quả cuối cùng:
-h1:
-8562518959811306728
-h2:
-5648895005875525023
-
-
-16 byte sau khi putLong: 
--24, -92, 25, -74, -96, 45, -44, 118, -97, 85, -80, 38, 20, -24, 100, 78 
-
-
-
-
-
-
-
-
-
-
-