点击功能模块时，程序将自动检查并获取数据文件的采样率，若能获取成功，则将数值填入导入设置的采样率中。若获取失败，则弹窗提示并填入yaml配置文件中的预设采样率。

func/Module_preprocess.py

@@ -53,8 +53,12 @@ class SettingWindow(QMainWindow):
         self.root_path = root_path
         self.sampID = sampID
 
+        self.msgBox = QMessageBox()
+        self.msgBox.setWindowTitle(Constants.MAINWINDOW_MSGBOX_TITLE)
+
         self.config = None
         self.__read_config__()
+        self.__examine_freq__()
 
         self.ui.spinBox_input_freq.valueChanged.connect(self.__update_ui__)
         self.ui.spinBox_output_freq.valueChanged.connect(self.__update_ui__)
@@ -140,6 +144,26 @@ class SettingWindow(QMainWindow):
         else:
             raise ValueError("模式不存在")
 
+    def __examine_freq__(self):
+        if Config["Mode"] == "BCG":
+            signal = Filename.ORGBCG_RAW
+        elif Config["Mode"] == "ECG":
+            signal = Filename.ECG_RAW
+        else:
+            raise ValueError("模式不存在")
+
+        if Path(Config["Path"]["Input"]).is_file():
+            Config["Path"]["Input"] = str(Path(Config["Path"]["Input"]).parent)
+
+        result = PublicFunc.examine_file(Config["Path"]["Input"], signal, Params.ENDSWITH_TXT)
+        if result.status:
+            Config["InputConfig"]["Freq"] = result.data["freq"]
+        else:
+            PublicFunc.msgbox_output(self, signal + Constants.FAILURE_REASON["Get_Freq_Not_Correct"], Constants.MSGBOX_TYPE_ERROR)
+
+        # 数据回显
+        self.ui.spinBox_input_freq.setValue(Config["InputConfig"]["Freq"])
+
 
 class MainWindow_preprocess(QMainWindow):