diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..6082673
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,78 @@
+# Generated from CLion C/C++ Code Style settings
+BinPackParameters: false
+BasedOnStyle: LLVM
+AccessModifierOffset: -4
+AlignArrayOfStructures: Left
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments:
+  Enabled: true
+  AcrossEmptyLines: true
+  AcrossComments: false
+
+AlignOperands: DontAlign
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakTemplateDeclarations: Yes
+# 函数和返回类型分两行，方便阅读
+AlwaysBreakAfterReturnType: TopLevelDefinitions
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: true
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+BreakInheritanceList: BeforeColon
+ColumnLimit: 120
+CompactNamespaces: false
+ContinuationIndentWidth: 4
+EmptyLineBeforeAccessModifier: LogicalBlock
+SeparateDefinitionBlocks: Always
+IndentCaseLabels: false
+IndentPPDirectives: None
+IndentWidth: 4
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PointerAlignment: Right
+ReflowComments: false
+SortIncludes: CaseSensitive
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 0
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+TabWidth: 4
+UseTab: Never
+PenaltyIndentedWhitespace: 1
diff --git a/tile/base/log/channel.h b/tile/base/log/channel.h
new file mode 100644
index 0000000..a020502
--- /dev/null
+++ b/tile/base/log/channel.h
@@ -0,0 +1,22 @@
+#ifndef TILE_BASE_LOG_CHANNEL_H
+#define TILE_BASE_LOG_CHANNEL_H
+
+#pragma once
+
+#include "tile/base/config/configurable.h"
+#include "tile/base/ref_ptr.h"
+
+namespace tile {
+namespace log {
+class Channel : public Configurable, public RefCounted<Channel> {
+public:
+    void SetProperty(const Slice &name, const Slice &value) override;
+    std::string GetProperty(const Slice &name) const override;
+
+protected:
+    ~Channel() override;
+};
+}// namespace log
+};// namespace tile
+
+#endif// TILE_BASE_LOG_CHANNEL_H
diff --git a/tile/base/log/logger.h b/tile/base/log/logger.h
new file mode 100644
index 0000000..047d3c2
--- /dev/null
+++ b/tile/base/log/logger.h
@@ -0,0 +1,11 @@
+#ifndef TILE_BASE_LOG_LOGGER_H
+#define TILE_BASE_LOG_LOGGER_H
+
+#pragma once
+
+namespace tile {
+namespace log {
+class Logger {};
+}// namespace log
+}// namespace tile
+#endif// TILE_BASE_LOG_LOGGER_H
diff --git a/tile/base/log/message.h b/tile/base/log/message.h
new file mode 100644
index 0000000..4bd8355
--- /dev/null
+++ b/tile/base/log/message.h
@@ -0,0 +1,98 @@
+#ifndef TILE_BASE_LOG_MESSAGE_H
+#define TILE_BASE_LOG_MESSAGE_H
+
+#pragma once
+#include <cstdint>
+#include <map>
+#include <string>
+
+namespace tile {
+namespace log {
+class Message {
+public:
+    typedef std::map<std::string, std::string> StringMap;
+
+    enum Priority {
+        kTrace = 0,
+        kDebug,
+        kInfo,
+        kNotice,
+        kWarning,
+        kError,
+        kCritical,
+        kFatal,
+    };
+
+    Message();
+    Message(const Message &other);
+    Message(Message &&other) noexcept;
+    ~Message();
+
+    Message &operator=(const Message &other);
+    Message &operator=(Message &&other) noexcept;
+    void swap(Message &other);
+
+    // getter
+    inline const std::string &text() { return text_; }
+
+    inline const std::string &source() const { return source_; }
+
+    inline Priority priority() const { return priority_; }
+
+    inline const std::string &thread_name() const { return thread_name_; }
+
+    inline std::uint64_t tid() const { return tid_; }
+
+    inline std::uint64_t pid() const { return pid_; }
+
+    inline const char *source_file() const { return source_file_; }
+
+    inline int source_line() const { return source_line_; }
+
+    // setter
+    inline void set_text(const std::string &text) { text_ = text; }
+
+    inline void set_source(const std::string &source) { source_ = source; }
+
+    inline void set_priority(Priority priority) { priority_ = priority; }
+
+    inline void set_thread_name(const std::string &thread) { thread_name_ = thread; }
+
+    inline void set_tid(std::uint64_t tid) { tid_ = tid; }
+
+    inline void set_pid(std::uint64_t pid) { pid_ = pid; }
+
+    inline void set_source_file(const char *source_file) { source_file_ = source_file; }
+
+    inline void set_source_line(int source_line) { source_line_ = source_line; }
+
+    // map
+    const std::string &Get(const std::string &param) const;
+    const std::string &Get(const std::string &param, const std::string &defult_value) const;
+    const StringMap &GetAll() const;
+    void Set(const std::string &param, const std::string &value);
+    const std::string &operator[](const std::string &param) const;
+    std::string &operator[](const std::string &param);
+
+private:
+    std::string text_;
+    std::string source_;
+    Priority priority_;
+    std::string thread_name_;
+    std::uint64_t tid_;
+    std::uint64_t pid_;
+    const char *source_file_;
+    int source_line_;
+    StringMap properties_;
+};
+
+inline void
+swap(Message &lhs, Message &rhs)
+{
+    lhs.swap(rhs);
+}
+}// namespace log
+
+}// namespace tile
+
+#endif// TILE_BASE_LOG_MESSAGE_H