diff --git a/DIYgod/0005/change_resolution.py b/DIYgod/0005/change_resolution.py
new file mode 100644
index 00000000..5ae70b8f
--- /dev/null
+++ b/DIYgod/0005/change_resolution.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from PIL import Image
+
+def change_resolution(picPath, reslution):
+    img = Image.open(picPath)
+    x, y = img.size
+    print x, y
+    changex = float(x) / reslution[0]
+    changey = float(y) / reslution[1]
+
+    # 判断分辨率是否满足
+    if changex > 1 or changey > 1:
+        change = changex if changex > changey else changey
+        print change
+        print int(reslution[0] / change), int(reslution[1] / change)
+        img.resize((int(x / change), int(y / change))).save('result.jpg')
+
+if __name__ == '__main__':
+    change_resolution('pictest.jpg', (1136, 640))
diff --git a/DIYgod/0005/pictest.jpg b/DIYgod/0005/pictest.jpg
new file mode 100644
index 00000000..00349ac7
Binary files /dev/null and b/DIYgod/0005/pictest.jpg differ
diff --git a/DIYgod/0005/result.jpg b/DIYgod/0005/result.jpg
new file mode 100644
index 00000000..d04c0411
Binary files /dev/null and b/DIYgod/0005/result.jpg differ
diff --git a/DIYgod/0006/important_word.py b/DIYgod/0006/important_word.py
new file mode 100644
index 00000000..98d58796
--- /dev/null
+++ b/DIYgod/0006/important_word.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+import re
+import os
+
+# Get all files in designated path
+def get_files(path):
+    filepath = os.listdir(path)
+    files = []
+    for fp in filepath:
+        fppath = path + '/' + fp
+        if(os.path.isfile(fppath)):
+            files.append(fppath)
+        elif(os.path.isdir(fppath)):
+            files += get_files(fppath)
+    return files
+
+# Get the most popular word in designated files
+def get_important_word(files):
+    worddict = {}
+    for filename in files:
+        f = open(filename, 'rb')
+        s = f.read()
+        words = re.findall(r'[a-zA-Z0-9]+', s)
+        for word in words:
+            worddict[word] = worddict[word] + 1 if word in worddict else 1
+    wordsort = sorted(worddict.items(), key=lambda e:e[1], reverse=True)
+    return wordsort
+
+if __name__ == '__main__':
+    files = get_files('.')
+    print files
+    print get_important_word(files)
diff --git a/DIYgod/0006/test/test.txt b/DIYgod/0006/test/test.txt
new file mode 100644
index 00000000..a45f09a1
--- /dev/null
+++ b/DIYgod/0006/test/test.txt
@@ -0,0 +1,2 @@
+important important important important important important important important important important important important important important important important important important important 
+