diff --git a/file_object.py b/file_object.py
index 4004dd3..dd5cca6 100644
--- a/file_object.py
+++ b/file_object.py
@@ -158,7 +158,61 @@ class TaFileObject:
 
     # 将S文件中的塔高同步到TA文件中。
     def sync_tower_height_from_S(self):
-
+        enter_string = input(
+            "Will synchronize height in S to Ta. Enter S2T to proceed.\n"
+        )
+        if enter_string.lower() != "s2t":
+            print("Not confirmed.")
+            return
+        # 先取得所有S的呼高
+        s_tower_height_dic = {}
+        s_as_single = SFileAsSingle(self._SFile)
+        for s_entry in s_as_single.content():
+            if s_entry[0] == "首端转角号" or s_entry[0] == "塔号":
+                continue
+            tower_number = s_entry[0]
+            tower_height = s_entry[7]
+            s_tower_height_dic[tower_number] = tower_height
+        ta_content = self._read(self._file_path)
+        new_ta_content = list(ta_content)
+        for index, ta_entry in enumerate(ta_content):
+            ta_tower_number = ta_entry[0]
+            if ta_tower_number in s_tower_height_dic:
+                if (
+                    abs(
+                        float(new_ta_content[index][9])
+                        - float(s_tower_height_dic[ta_tower_number])
+                    )
+                    > 1e-5  # 新旧呼高不一致
+                ):
+                    print(
+                        "Tower {tower_number} height({old_height} -> {new_height}) in S has been synchronized to TA.\n".format(
+                            tower_number=ta_tower_number,
+                            old_height=ta_content[index][9],
+                            new_height=s_tower_height_dic[ta_tower_number],
+                        )
+                    )
+                new_tower_height = s_tower_height_dic[ta_tower_number]
+                new_ta_content[index][9] = new_tower_height  # 将S文件中的塔高赋值到TA文件中
+                # 修改TA中WNSZ_51这样的塔名
+                old_tower_name_height = ta_entry[8]
+                tower_name = old_tower_name_height.split("_")[0]
+                new_tower_name_height = "{tower_name}_{new_height}".format(
+                    tower_name=tower_name, new_height=new_tower_height
+                )
+                new_ta_content[index][8] = new_tower_name_height
+        # 备份TA文件
+        ta_file_dir = get_directory(self._file_path)
+        ta_file_name = get_file_name_with_extention(self._file_path)[0]
+        backup_time = file_backup_time()
+        backup_file_path = "{ta_file_dir}/{ta_file_name}{backup_time}.TA".format(
+            ta_file_dir=ta_file_dir, ta_file_name=ta_file_name, backup_time=backup_time
+        )
+        shutil.copy(self._file_path, backup_file_path)
+        with open(self._file_path, "w") as ta_file:
+            for ta_c in new_ta_content:
+                ta_file.write("{ta_c}\n".format(ta_c=",".join(ta_c)))
+        print("Synchronization form S to TA is finished.")
         pass
 
     def start(self):
diff --git a/main.py b/main.py
index ae87449..6a29e5f 100644
--- a/main.py
+++ b/main.py
@@ -10,6 +10,7 @@ if __name__ == "__main__":
         r"d:\工程\灵州-青山\排位\72-169\S072.DAT",
     ]
     ta_object = TaFileObject(r"d:\工程\灵州-青山\排位\道亨\最终排位\最终排位.TA", SFile)
+    # ta_object.sync_tower_height_from_S()
     ta_object.start()
     # generate_ta_from_csv.generate_ta(r"d:\工程\灵州-青山\排位\道亨\最终排位\最终排位.TA",SFile,r'd:\工程\灵州-青山\排位\道亨\成果表.csv')
     print("Finished.")