diff --git a/gen_enum_str.py b/gen_enum_str.py
old mode 100644
new mode 100755
diff --git a/src/container/iterator.hpp b/src/container/iterator.hpp
old mode 100644
new mode 100755
index 4f0ad3a..aa100b3
--- a/src/container/iterator.hpp
+++ b/src/container/iterator.hpp
@@ -16,8 +16,8 @@ struct Iterator {
             ptr = other.ptr;
             return *this;
         };
-        Iterator& operator++() { ptr += sizeof(T); return *this; };
-        Iterator operator++(int) { auto copy = *this; ptr += sizeof(T); return copy; };
+        Iterator& operator++() { ptr++; return *this; };
+        Iterator operator++(int) { auto copy = *this; ptr++; return copy; };
         friend int operator-(Iterator lhs, Iterator rhs) {
             return lhs.ptr - rhs.ptr;
         };
diff --git a/src/container/queue.hpp b/src/container/queue.hpp
old mode 100644
new mode 100755
diff --git a/src/container/ringbuffer.hpp b/src/container/ringbuffer.hpp
old mode 100644
new mode 100755
diff --git a/src/util/gz_regex.cpp b/src/util/gz_regex.cpp
old mode 100644
new mode 100755
diff --git a/src/util/gz_regex.hpp b/src/util/gz_regex.hpp
old mode 100644
new mode 100755
diff --git a/src/util/util.cpp b/src/util/util.cpp
old mode 100644
new mode 100755
diff --git a/src/util/util.hpp b/src/util/util.hpp
old mode 100644
new mode 100755