diff --git a/filecomplete.cpp b/filecomplete.cpp
index 7a280b0..b04758f 100644
--- a/filecomplete.cpp
+++ b/filecomplete.cpp
@@ -97,6 +97,7 @@ static std::mutex mut;
 static std::string header{};
 static size_t header_len{};
 static size_t unix_signal{};
+static bool need_turn{true};
 
 void trans2buf(char* buffer);
 void clear_line();
@@ -136,6 +137,16 @@ static std::string home_path{};
 // #endif
 // }
 
+void fc_turn_on()
+{
+    need_turn = true;
+}
+
+void fc_turn_off()
+{
+    need_turn = false;
+}
+
 std::string get_home()
 {
 #if defined(_WIN32)
@@ -648,6 +659,14 @@ char* fc_readline()
             str_predict.clear();
             refresh_show();
             append_his(main_buf);
+            if (need_turn) {
+                std::string rep(main_buf);
+                if (rep.find("~") == 0) {
+                    rep = get_home() + rep.substr(1, rep.size() - 1);
+                    std::memset(main_buf, 0x0, buf_size);
+                    std::snprintf(main_buf, buf_size, "%s", rep.c_str());
+                }
+            }
             return main_buf;
         case CTRL_C: {
             free(main_buf);
diff --git a/filecomplete.h b/filecomplete.h
index 43f9ba8..dfc9b6d 100644
--- a/filecomplete.h
+++ b/filecomplete.h
@@ -68,6 +68,16 @@ void fc_unlock_print(void);
  */
 void fc_free(char* str);
 
+/**
+ * @brief 开启特殊字符替换，如 ~ 回车后会替换为家目录路径。
+ */
+void fc_turn_on();
+
+/**
+ * @brief 关闭殊字符替换
+ */
+void fc_turn_off();
+
 #ifdef __cplusplus
 }
 #endif