diff --git a/tests/main.cpp b/tests/main.cpp
index 9260111..f752a20 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -1,35 +1,77 @@
 #include "../src/include/pinyinime.h"
 #include <codecvt>
+#include <chrono>
 #include <iostream>
 #include <locale>
 #include <string>
+#include <vector>
 
 std::string fromUtf16(const ime_pinyin::char16 *buf, size_t len) {
-    // 转换为标准 char16_t
     std::u16string utf16Str(reinterpret_cast<const char16_t *>(buf), len);
     std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
     return convert.to_bytes(utf16Str);
 }
 
-int main() {
-    if (!ime_pinyin::im_open_decoder("./data/dict_pinyin.dat", "./data/user_dict.dat")) {
-        std::cout << "fany bug.\n";
-        return 0;
+void test_pinyin_search_and_segment(const std::string &user_pinyin) {
+    auto start_time = std::chrono::high_resolution_clock::now();  // 开始计时
+
+    std::string pinyin_str = user_pinyin;
+
+    const char *pinyin = pinyin_str.c_str();
+    size_t cand_cnt = ime_pinyin::im_search(pinyin, strlen(pinyin));
+    const ime_pinyin::uint16 *spl_start = nullptr;
+    size_t segment_count = ime_pinyin::im_get_spl_start_pos(spl_start);
+
+    if (spl_start != nullptr && segment_count > 0) {
+        std::string segmented_pinyin;
+        for (size_t i = 0; i < segment_count; ++i) {
+            size_t start = spl_start[i];
+            size_t end = spl_start[i + 1];
+            std::string segment(pinyin + start, end - start);
+            segmented_pinyin += segment;
+            if (i < segment_count - 1) {
+                segmented_pinyin += "'";  // 在分段之间添加分词符
+            }
+        }
+        std::cout << "拼音分词：" << segmented_pinyin << "\n";
+    } else {
+        std::cout << "Failed to get segments or no segments found!\n";
     }
 
-    std::string pinyin = "ni'ma'si'le";
-    pinyin = "ni'ma'mei'si";
-    pinyin = "ni'shuo'ni'ma'ne";
-    size_t cand_cnt = ime_pinyin::im_search(pinyin.c_str(), pinyin.size());
-    ime_pinyin::char16 buf[256] = {0};
     std::string msg;
+    std::vector<std::string> candidateList;
     for (size_t i = 0; i < cand_cnt; ++i) {
+        ime_pinyin::char16 buf[256] = {0};
         ime_pinyin::im_get_candidate(i, buf, 255);
         size_t len = 0;
         while (buf[len] != 0 && len < 255) ++len;
         msg.append(fromUtf16(buf, len) + " ");
+        candidateList.push_back(fromUtf16(buf, len));
     }
+
     std::cout << "候选项数量: " << cand_cnt << std::endl;
     std::cout << "候选项本体: " << msg << std::endl;
-    return 0;
+
+    auto end_time = std::chrono::high_resolution_clock::now();  // 结束计时
+    auto duration = std::chrono::duration_cast<std::chrono::microseconds>(end_time - start_time);
+
+    std::cout << "函数执行时间: " << duration.count() << " 微秒\n";
 }
+
+int main() {
+    ime_pinyin::im_set_max_lens(80, 30);
+    if (!ime_pinyin::im_open_decoder("./data/dict_pinyin.dat", "./data/user_dict.dat")) {
+        std::cout << "fany bug.\n";
+        return 0;
+    }
+    test_pinyin_search_and_segment("qusiba");
+    test_pinyin_search_and_segment("shuoshenmene");
+    test_pinyin_search_and_segment("yiwushichushima");
+    test_pinyin_search_and_segment("zhonghuarenmingongheguo");
+    test_pinyin_search_and_segment("meilijianhezhongguo");
+    ime_pinyin::im_set_max_lens(64, 64);
+    ime_pinyin::im_reset_search();
+    test_pinyin_search_and_segment("qunimadegouridequsibawonengzenmeban");
+    test_pinyin_search_and_segment("kanbuchulaishizenmexianzhichangdude");
+    return 0;
+}
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