diff --git a/func/Module_preprocess.py b/func/Module_preprocess.py
index f706fc2..ad2e337 100644
--- a/func/Module_preprocess.py
+++ b/func/Module_preprocess.py
@@ -309,6 +309,17 @@ class MainWindow_preprocess(QMainWindow):
         else:
             PublicFunc.text_output(self.ui, "(1/1)" + result.info, Constants.TIPS_TYPE_INFO)
 
+        # 重采样
+        PublicFunc.progressbar_update(self, 2, 2, Constants.RESAMPLING_DATA, 0)
+        result = self.data.resample()
+        if not result.status:
+            PublicFunc.text_output(self.ui, "(2/2)" + result.info, Constants.TIPS_TYPE_ERROR)
+            PublicFunc.msgbox_output(self, result.info, Constants.MSGBOX_TYPE_ERROR)
+            PublicFunc.finish_operation(self, ButtonState)
+            return
+        else:
+            PublicFunc.text_output(self.ui, "(2/2)" + result.info, Constants.TIPS_TYPE_INFO)
+
         self.__reset__()
         PublicFunc.finish_operation(self, ButtonState)
 
@@ -419,15 +430,29 @@ class Data:
 
         return Result().success(info=Constants.INPUT_FINISHED)
 
-    def preprocess(self):
+    def resample(self):
         if self.raw_data is None:
-            Result().failure(info=Constants.PREPROCESS_FAILURE + Constants.FAILURE_REASON["Data_Not_Exist"])
+            Result().failure(info=Constants.RESAMPLE_FAILURE + Constants.FAILURE_REASON["Data_Not_Exist"])
 
         try:
             if Config["InputConfig"]["Freq"] != Config["OutputConfig"]["Freq"]:
                 self.raw_data = resample(self.raw_data,
                                          int(len(self.raw_data) *
                                              (Config["OutputConfig"]["Freq"] / Config["InputConfig"]["Freq"])))
+            else:
+                return Result().success(info=Constants.RESAMPLE_NO_NEED)
+        except Exception as e:
+            Result().failure(info=Constants.RESAMPLE_FAILURE +
+                                  Constants.FAILURE_REASON["Resample_Exception"] + "\n" + format_exc())
+
+        return Result().success(info=Constants.RESAMPLE_FINISHED)
+
+    def preprocess(self):
+        if self.raw_data is None:
+            Result().failure(info=Constants.PREPROCESS_FAILURE + Constants.FAILURE_REASON["Data_Not_Exist"])
+
+        try:
+
             if Config["Mode"] == "BCG":
                 self.processed_data = Butterworth_for_BCG_PreProcess(self.raw_data, type='bandpass',
                                                                      low_cut=Config["Filter"]["BCGBandPassLow"],
diff --git a/func/utils/Constants.py b/func/utils/Constants.py
index 2cdda0a..31d13a8 100644
--- a/func/utils/Constants.py
+++ b/func/utils/Constants.py
@@ -26,6 +26,7 @@ class Constants:
     RESAMPLING_DATA: str = "正在数据重采样"
     RESAMPLE_FINISHED: str = "重采样完成"
     RESAMPLE_FAILURE: str = "重采样失败"
+    RESAMPLE_NO_NEED: str = "无需进行重采样"
 
     LOADING_ARCHIVE: str = "正在获取历史存档"
     ARCHIVE_EXIST: str = "找到历史存档，成功读取"