diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4a59573..d28692c 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -86,6 +86,7 @@
         "xlocmes": "cpp",
         "xlocmon": "cpp",
         "xloctime": "cpp",
-        "xtree": "cpp"
+        "xtree": "cpp",
+        "deque": "cpp"
     }
 }
\ No newline at end of file
diff --git a/filecomplete.cpp b/filecomplete.cpp
index 5c4770a..83cbecc 100644
--- a/filecomplete.cpp
+++ b/filecomplete.cpp
@@ -1,4 +1,5 @@
 #include "filecomplete.h"
+#include <cstring>
 #include <map>
 #include <string>
 #include <vector>
@@ -17,9 +18,9 @@ namespace fs = std::filesystem;
 #endif
 #endif
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 #define MAX_OF(x, y) (((x) > (y)) ? (x) : (y))
 
@@ -91,7 +92,7 @@ void clear_line();
 void set_cursor_x(short x);
 short get_cursor_y();
 char* fc_readline();
-void color_print(const char* text, COLOR_TYPE color);
+void color_print(const char* text, const COLOR_TYPE color);
 
 static std::vector<std::string> cur_work_content;
 static std::vector<char> deadline_vch;
@@ -153,8 +154,42 @@ std::string file_predict(const char* data)
     return result;
 }
 
+#if defined(OS_UNIX)
+int _getch()
+{
+    int character;
+    struct termios old_attr, new_attr;
+
+    // Backup terminal attributes
+    if (tcgetattr(STDIN_FILENO, &old_attr) == -1) {
+        fprintf(stderr, "[ERROR] Couldn't get terminal attributes\n");
+        exit(1);
+    }
+
+    // Disable echo
+    new_attr = old_attr;
+    new_attr.c_lflag &= ~(ICANON | ECHO);
+    if (tcsetattr(STDIN_FILENO, TCSANOW, &new_attr) == -1) {
+        fprintf(stderr, "[ERROR] Couldn't set terminal attributes\n");
+        exit(1);
+    }
+
+    // Get input character
+    character = getchar();
+
+    // Restore terminal attributes
+    if (tcsetattr(STDIN_FILENO, TCSANOW, &old_attr) == -1) {
+        fprintf(stderr, "[ERROR] Couldn't reset terminal attributes\n");
+        exit(1);
+    }
+
+    return character;
+}
+#endif
+
 std::pair<short, short> get_wh()
 {
+#if defined(OS_WINDOWS)
     HANDLE h_console = GetStdHandle(STD_OUTPUT_HANDLE);
     if (h_console == NULL) {
         fprintf(stderr, "[ERROR] Couldn't handle terminal\n");
@@ -170,16 +205,51 @@ std::pair<short, short> get_wh()
     auto w = static_cast<short>(cw);
     auto h = static_cast<short>(ch);
     return std::make_pair(w, h);
+#elif defined(OS_UNIX)
+    return std::make_pair(12, 12);
+#endif
+}
+
+int get_u8_len(unsigned char ch)
+{
+    if (ch >= 0x00 && ch <= 0x7F) {
+        return 1;
+    } else if ((ch & 0xE0) == 0xC0) {
+        return 2;
+    } else if ((ch & 0xF0) == 0xE0) {
+        return 3;
+    } else if ((ch & 0xF8) == 0xF0) {
+        return 4;
+    } else if ((ch & 0xFC) == 0xF8) {
+        return 5;
+    } else if ((ch & 0xFE) == 0xFC) {
+        return 6;
+    } else {
+        return 0;
+    }
 }
 
 void supply(std::vector<char>& wch, char ch)
 {
+#if defined(STRCODE_GBK)
     wch.push_back(ch);
     if (ch >= 0 && ch < 128) {
         return;
     }
     auto tch = _getch();
     wch.push_back(tch);
+#else
+    wch.push_back(ch);
+    int length = get_u8_len(static_cast<unsigned char>(ch));
+    if (length == 0) {
+        printf("Invalid Charactor!\n");
+        exit(1);
+    }
+    for (int i = 1; i < length; ++i) {
+        auto tch = _getch();
+        wch.push_back(tch);
+    }
+#endif
 }
 
 void clear_line()
@@ -367,9 +437,19 @@ char* fc_readline()
         }
         // Move cursor
         int cur_pos{};
+#if defined(STRCODE_GBK)
         for (int i = 0; i < buf.size() && i < wo; ++i) {
             cur_pos += static_cast<int>(buf[i].size());
         }
+#else
+        for (int i = 0; i < buf.size() && i < wo; ++i) {
+            if (buf[i].size() > 1) {
+                cur_pos += 2;
+            } else {
+                cur_pos += 1;
+            }
+        }
+#endif
         set_cursor_x(cur_pos + 1);
 
         // Read character from console
@@ -397,18 +477,26 @@ char* fc_readline()
             // 在这里补全
             if (!str_predict.empty()) {
                 std::vector<std::vector<char>> temp;
-                for (int i = 0; i < str_predict.size(); ++i) {
+                for (int i = 0; i < str_predict.size();) {
                     std::vector<char> b;
                     char curch = str_predict[i];
                     b.push_back(curch);
                     if (curch >= 0 && curch < 128) {
                         temp.push_back(b);
+                        ++i;
                     } else {
-                        if ((i + 1) < str_predict.size()) {
-                            b.push_back(str_predict[i + 1]);
-                            temp.push_back(b);
-                            ++i;
+#if defined(STRCODE_GBK)
+                        int length = 2;
+#else
+                        int length = get_u8_len(curch);
+#endif
+                        for (int z = 1; z < length; ++z) {
+                            if ((i + z) < str_predict.size()) {
+                                b.push_back(str_predict[i + z]);
+                            }
                         }
+                        temp.push_back(b);
+                        i += length;
                     }
                 }
                 str_predict.clear();
@@ -487,7 +575,7 @@ void trans2buf(char* buffer)
     buffer[j++] = '\0';
 }
 
-void color_print(const char* text, COLOR_TYPE color)
+void color_print(const char* text, const COLOR_TYPE color)
 {
 #if defined(OS_WINDOWS)
     HANDLE h_console = GetStdHandle(STD_OUTPUT_HANDLE);
@@ -538,9 +626,12 @@ void color_print(const char* text, COLOR_TYPE color)
     printf("%s", color);
     printf("m");
 
-    // Print colored text
-    printf("%s", text);
-
+    if (!text) {
+        trans2buf(main_buf);
+        printf("%s", main_buf);
+    } else {
+        printf("%s", text);
+    }
     // Resets the text to default color
     printf("\033[0m");
 #endif
diff --git a/filecomplete.h b/filecomplete.h
index a263985..1da7c4a 100644
--- a/filecomplete.h
+++ b/filecomplete.h
@@ -1,7 +1,11 @@
 #ifndef FILE_COMPLETE_H
 #define FILE_COMPLETE_H
 
-/* **************************************************
+/* ***************************************************
+    如果编译的结果的【执行】环境为GBK, 请手动定义宏 
+            STRCODE_GBK
+    否则默认是 UTF-8 编码。
+******************************************************
     添加截止符号，提示路径时，以此截断，比如当前输入为：
             GetFile someparm|tesa_fil_
     如果设置了截止符号|, 提示时将认为 tesa_fil 是某个