diff --git a/bin/Release/assets/config/regaddrsShow.json b/bin/Release/assets/config/regaddrsShow.json
index 370c7ba..25962b6 100644
--- a/bin/Release/assets/config/regaddrsShow.json
+++ b/bin/Release/assets/config/regaddrsShow.json
@@ -84,7 +84,7 @@
             ["SOH", "0x0002", "0", " %", "0.1"],
             ["电压", "0x0003", "0.0", " V", "0.1"],
             ["电流", "0x0005", "0.0", " A", "0.1"],
-            ["单体最电压", "0x0021", "0.0", " V", "0.001"],
+            ["单体最大电压", "0x0021", "0.0", " V", "0.001"],
             ["单体最小电压", "0x0024", "0.0", " V", "0.001"],
             ["单体最大温度", "0x0029", "0.0", " ℃", "0.1"],
             ["单体最小温度", "0x002C", "0.0", " ℃", "0.1"]          
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e02cac7..7ab089f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,7 +21,7 @@ endmacro(ADD_SOURCE_GROUP)
 set(PROJECT_NAME ESS)
 project(${PROJECT_NAME})
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 
 # 【注意】visual studio编译时的字符编码问题，配置属性 --> C/C++ --> 命令行 --> 其它选项: /utf-8 或添加如下指令
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8")
diff --git a/src/app/Application.cpp b/src/app/Application.cpp
index e844e73..32e00f8 100644
--- a/src/app/Application.cpp
+++ b/src/app/Application.cpp
@@ -134,6 +134,7 @@ void Application::runThreadStat()
             //spdlog::info("保存历史数据倒计时: {}", 600 - offset);
         }
 
+
         std::this_thread::sleep_for(std::chrono::seconds(1));
     }
 }
\ No newline at end of file
diff --git a/src/app/Device.cpp b/src/app/Device.cpp
index 8ea6aeb..b86e8d3 100644
--- a/src/app/Device.cpp
+++ b/src/app/Device.cpp
@@ -221,7 +221,10 @@ void Device::setParam(std::string k, int v)
         else if (k== "28") { ratio = 0.1; }
     }
 
-    int precision = (ratio != 1.0f) ? 1 : 0;
+    int precision = 0;
+    if (ratio == 0.1f) { precision = 1; }
+    else if (ratio == 0.01f) { precision = 2; }
+    else if (ratio == 0.001f) { precision = 3; }
     std::string valStr = Utils::toStr(v*ratio, precision);
     if (type == 106) // 充电桩状态，特殊数据格式
     {
diff --git a/src/app/Policy.cpp b/src/app/Policy.cpp
index 6fa175f..ff3723c 100644
--- a/src/app/Policy.cpp
+++ b/src/app/Policy.cpp
@@ -146,23 +146,30 @@ void SysPolicy::getGatewayJsonPeriods(njson& json)
 	{
 		if (vecPeriods1.size()>0)
 		{
-			njson jsonArray = njson::array();
+			map<string, vector<int>> mapT;
 			for (auto& item: vecPeriods1[0])
 			{
 				int h = 0; int m = 0;
 				PeriodsTimeStrToInt(item.first, h, m);
-				if (jsonArray.size() == 0 && h!=0)
-				{
-					jsonArray.push_back({0, 0, 0});
-				}
-
-				int p = 1;
+				int p = 0;
 				if (item.second == "谷") p = 1;
 				else if (item.second == "平") p = 2;
 				else if (item.second == "峰") p = 3;
 				else if (item.second == "尖") p = 4;
 				else p = 0;
-				jsonArray.push_back({h, m, p});
+				char str[5] = {};
+				sprintf(str, "%02d:%02d", h, m);
+				mapT[str] = {h, m, p};
+			}
+
+			njson jsonArray = njson::array();
+			for (auto& item: mapT)
+			{
+				if (jsonArray.size() == 0 && item.first != "00:00")
+				{
+					jsonArray.push_back({0, 0, 0});
+				}
+				jsonArray.push_back(item.second);
 			}
 			json.push_back(jsonArray);
 		}
diff --git a/src/app/Station.cpp b/src/app/Station.cpp
index 9e4e8d7..c531109 100644
--- a/src/app/Station.cpp
+++ b/src/app/Station.cpp
@@ -674,12 +674,11 @@ void Station::writeStatistic()
         }
     }
 
-    
     {
         int pos = npos;
         if (tOffset > 20) { pos += 1; }
-        mapCacheElectIn[pos] = statData.dayElectIn;
-        mapCacheElectOut[pos] = statData.dayElectOut;
+        mapCacheElectIn[pos] = (pos == 0) ? 0 : statData.dayElectIn;
+        mapCacheElectOut[pos] = (pos == 0) ? 0 : statData.dayElectOut;
         mapCacheElectCharger[pos] = 0;
 
         // 预测数据源记录
@@ -703,57 +702,61 @@ void Station::writeStatistic()
 }
 
 
-
 void Station::predict()
 {
     int64_t tNow = Utils::time();
-
-    string dt1 = Utils::dateStr(tNow-86400*7);
+    int days = 7;
+    string dt1 = Utils::dateStr(tNow-86400*days);
     string dt2 = Utils::dateStr(tNow-86400);
 
     /// 预测实现方案：
-    // 查询前7天的历史数据，根据历史数据计算今日数据，每10分钟一个数据，一天共144个数据点
+    // 查询前7天的历史数据(不包含今天)，根据历史数据计算今日数据，每10分钟一个数据，一天共144个数据点
     string sql = "SELECT * FROM predict_day pd WHERE pd.station_id='" + std::to_string(stationId) 
-        + "'AND dt>='" + dt1 + "' AND dt<='" + dt2 + "'";
+        + "' AND dt>='" + dt1 + " AND dt<'" + dt2 + "';";
+
     vector<Fields> result;
     DAO::exec(NULL, sql, result);
 
-    // 数据源的条数（1天的数据算作1条）
-    int countStorageIn = 0;
-    int countStorageOut = 0;
-    int countCharge = 0;
+    // 数据源的每个时刻数据点的个数
+    vector<int> countStorageIn(predictStorageIn.size(), 0);
+    vector<int> countStorageOut(predictStorageOut.size(), 0);
+    vector<int> countCharge(predictCharge.size(), 0);
 
     for (int row=0; row<result.size(); ++row)
     {
+        // 如果数据全是0，则不参与计算
         auto& fields = result[row];
 
         vector<int>* vdptr = NULL;
         int datatype = fields.get<int>("datatype"); // 1：储能充电，2：储能放电，3：充电桩充电，4：发电
-        if (datatype == 1) 
-        { 
-            countStorageIn++; 
-            vdptr = &predictStorageIn;
-        }
-        else if (datatype == 2) 
-        { 
-            countStorageOut++; 
-            vdptr = &predictStorageOut;
-        }
-        else if (datatype == 3) 
-        { 
-            countCharge++; 
-            vdptr = &predictCharge;
-        }
+        if (datatype == 1) { vdptr = &predictStorageIn; }
+        else if (datatype == 2) { vdptr = &predictStorageOut; }
+        else if (datatype == 3) { vdptr = &predictCharge; }
+
         if (vdptr)
         {
             string& strval = fields.value("value");
             std::vector<int> vec;
             JSON::parseArray(strval, vec);
-
             for (int i = 0; i<vdptr->size() && i<vec.size(); ++i)
             {
-                (*vdptr)[i] += vec[i];
+                auto& v0 = vec[i];
+                if (v0 > 0)
+                {
+                    (*vdptr)[i] += v0;
+                    if (datatype == 1) { countStorageIn[i]++; }
+                    else if (datatype == 2) { countStorageOut[i]++; }
+                    else if (datatype == 3) { countCharge[i]++; }
+                }
             }
         }
     }
+
+    for (int i = 0; i<predictStorageIn.size(); ++i)
+    {
+        if (countStorageIn[i] > 0) { predictStorageIn[i] = predictStorageIn[i] / countStorageIn[i]; }
+        if (countStorageOut[i] > 0) { predictStorageOut[i] = predictStorageOut[i] / countStorageOut[i]; }
+        if (countCharge[i] > 0) { predictCharge[i] = predictCharge[i] / countCharge[i]; }
+    }
+
 }
\ No newline at end of file
diff --git a/src/common/Utils.cpp b/src/common/Utils.cpp
index 86a89f1..e4daf40 100644
--- a/src/common/Utils.cpp
+++ b/src/common/Utils.cpp
@@ -27,13 +27,74 @@ std::string Utils::toHex(const std::string& s)
 }
 std::string Utils::fromHex(const std::string& hexstr)
 {
-	std::vector<uint8_t> v;
-	v.reserve(hexstr.size() / 2);
+	std::vector<uint8_t> result;
+	result.reserve(hexstr.size() / 2);
 	for (std::string::const_iterator it = hexstr.begin(); it != hexstr.end(); it += 2)
 	{
-		v.push_back(static_cast<char>(strtol(std::string(it, it + 2).c_str(), nullptr, 16)));
+		result.push_back(static_cast<char>(strtol(std::string(it, it + 2).c_str(), nullptr, 16)));
 	}
-	return std::string(v.begin(), v.end());
+	return std::string(result.begin(), result.end());
+}
+
+#include <iostream>
+string Utils::fromHexText(string s)
+{
+	vector<unsigned char> result;
+	string tmp;
+	stringstream ss;
+	int v;
+	for (auto ch : s)
+	{
+		if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F'))
+		{
+			tmp += ch;
+			if (tmp.size() == 2)
+			{
+				ss.clear();
+				ss.str("");
+				ss << hex << tmp;
+				ss >> v;
+				result.emplace_back((unsigned char)v);
+				tmp.clear();
+			}
+		}
+	}
+	return string(result.begin(), result.end());
+}
+string Utils::toHexText(string s, string d/* = " "*/)
+{
+	stringstream ss;
+	for (unsigned int i = 0; i < s.size(); ++i)
+	{
+		ss << std::setw(2) << std::setfill('0') << std::hex << std::uppercase << (int)static_cast<unsigned char>(s[i]) << ((i < s.size() - 1) ? d : "");
+	}
+	return ss.str();
+}
+
+int64_t Utils::hexBinToInt(const string& str, bool swap/*=false*/)
+{
+	int64_t v = 0;
+	for (size_t i = 0; i < str.size(); i++)
+	{
+		if (swap)
+		{
+			v = v + (str[str.size() - 1 - i] << (str.size() - 1 - i) * 8);
+		}
+		else
+		{
+			v = v + (str[i] << (str.size() - 1 - i) * 8);
+		}
+	}
+	return v;
+}
+
+int Utils::hexStrToInt(const std::string& str)
+{
+	stringstream ss;
+	int ret;
+	ss << hex << str.c_str();
+	ss >> ret;
+	return ret;
 }
 
 string Utils::toStr(int v)
@@ -80,57 +141,9 @@ double Utils::toDouble(const std::string& str)
 	ss >> ret;
 	return ret;
 }
-int64_t Utils::hexbinToInt(const string& str, bool swap/*=false*/)
-{
-	int64_t v = 0;
-	for (size_t i = 0; i < str.size(); i++)
-	{
-		if (swap)
-		{
-			v = v + (str[str.size() - 1 - i] << (str.size() - 1 - i) * 8);
-		}
-		else
-		{
-			v = v + (str[i] << (str.size() - 1 - i) * 8);
-		}
-	}
-	return v;
-}
 
-int Utils::hexstrToInt(const std::string& str)
-{
-	stringstream ss;
-	int ret;
-	ss << hex << str.c_str();
-	ss >> ret;
-	return ret;
-}
 
-#include <iostream>
-string Utils::from_hex_text(string s)
-{
-	vector<unsigned char> result;
-	string tmp;
-	stringstream ss;
-	int v;
-	for (auto ch : s)
-	{
-		if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F'))
-		{
-			tmp += ch;
-			if (tmp.size() == 2)
-			{
-				ss.clear();
-				ss.str("");
-				ss << hex << tmp;
-				ss >> v;
-				result.emplace_back((unsigned char)v);
-				tmp.clear();
-			}
-		}
-	}
-	return string(result.begin(), result.end());
-}
+
 
 //string Utils::fromHexText1(string s)
 //{
@@ -166,16 +179,7 @@ string Utils::from_hex_text(string s)
 //    return string(result.begin(), result.end());
 //}
 
-string Utils::to_hex_text(string s, string d/* = " "*/)
-{
-	stringstream ss;
-	for (unsigned int i = 0; i < s.size(); ++i)
-	{
-		unsigned char ch = s[i];
-		ss << std::setw(2) << std::setfill('0') << std::hex << std::uppercase << (int)ch << ((i < s.size() - 1) ? d : "");
-	}
-	return ss.str();
-}
+
 
 void time_point_to_duration()
 {
@@ -418,13 +422,8 @@ int64_t Utils::timeDaySeconds()
 	return tsNow - tsDay;
 }
 
-void Utils::sleep_ms(int ms)
+void Utils::sleepMS(int ms)
 {
-	// 计算时间间隔：
-	//auto start = chrono::high_resolution_clock::now();
-	//auto end = chrono::high_resolution_clock::now();
-	//chrono::duration<double, std::milli> elapsed = end - start;
-	//int64_t t = elapsed.count();
 	std::this_thread::sleep_for(chrono::milliseconds(ms));
 }
 
diff --git a/src/common/Utils.h b/src/common/Utils.h
index 450cd3b..3e89a31 100644
--- a/src/common/Utils.h
+++ b/src/common/Utils.h
@@ -8,9 +8,6 @@
 #include <iomanip>
 #include <functional>
 #include <thread>
-
-//#include "Crypto.h"
-
 using namespace std;
 
 class Utils
@@ -19,6 +16,11 @@ public:
 	static std::string toHex(std::vector<unsigned char>& s, int len = 0);
 	static std::string toHex(const std::string& s);
 	static std::string fromHex(const std::string& hexstr);
+	static string fromHexText(string s);
+	static string toHexText(string s, string d = " ");
+
+	static int64_t hexBinToInt(const string& str, bool swap = false);
+	static int hexStrToInt(const string& str);
 
 	static string toStr(int v);
 	static string toStr(float v, int precision = 2);
@@ -28,12 +30,6 @@ public:
 	static float toFloat(const string& str);
 	static double toDouble(const string& str);
 
-	static int64_t hexbinToInt(const string& str, bool swap = false);
-
-	static int hexstrToInt(const string& str);
-
-	static string from_hex_text(string s);
-	static string to_hex_text(string s, string d = " ");
 
 	template<typename T>
 	static void append_bytes(vector<unsigned char>& dest, const T& src, int len)
@@ -84,7 +80,7 @@ public:
 	static string gbkToUtf8(string s);
 	static string utf8ToGbk(string s);
 
-	static void sleep_ms(int ms);
+	static void sleepMS(int ms);
 
 	static int random(int min, int max);
 
@@ -96,8 +92,6 @@ public:
 class TimeTick
 {
 public:
-	int64_t tickMS_ = 0;
-
 	TimeTick(int t=0)
 	{
 		if (t !=0) { tickMS_ = Utils::time(); }
@@ -105,19 +99,16 @@ public:
 
 	bool elapse(int64_t second, bool reset = true)
 	{
-		auto tick_now = Utils::time();
-		bool res = tick_now - tickMS_ > second;
-		if (res && reset)
-		{
-			tickMS_ = tick_now;
-		}
-		return res;
+		auto tickNow = Utils::time();
+		bool ret = tickNow - tickMS_ > second;
+		if (ret && reset) { tickMS_ = tickNow; }
+		return ret;
 	}
 
-	void reset()
-	{
-		tickMS_ = Utils::time();
-	}
+	void reset() { tickMS_ = Utils::time(); }
+
+public:
+	int64_t tickMS_ = 0;
 };
 
 #endif // !!! _Utils_H_
diff --git a/src/main.cpp b/src/main.cpp
index a07845a..9c4085b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -167,10 +167,27 @@ void OpensslSM2_test()
 
 int main(int argc, char** argv)
 {
-    stringstream ss;
+    {
+        stringstream ss;
+        float v = 3.123456;
+        float ratio = 0.1;
+     
+        std::cout << Utils::toStr(v, 0) << std::endl;
+        std::cout << Utils::toStr(v, 1) << std::endl;
 
-    ss << "(" << setw(2) << setfill('0') << 1;
-    std::cout << ss.str();
+        ratio = 1;
+        if (ratio == 1.0f)
+        {
+            std::cout << Utils::toStr(ratio, 2) << std::endl;
+        }
+
+        std::cout << Utils::toFloat("1") << std::endl;
+
+        //ss << "(" << setw(2) << setfill('0') << 1 << ")";
+        //std::cout << ss.str();
+
+        std::cout << "======================" << std::endl;
+    }
 
     // 设置控制台输出为 UTF-8 编码
     SetConsoleOutputCP(CP_UTF8);
diff --git a/src/qt/MainApp.cpp b/src/qt/MainApp.cpp
index 7f59d68..8492067 100644
--- a/src/qt/MainApp.cpp
+++ b/src/qt/MainApp.cpp
@@ -13,10 +13,9 @@
 
 MainApp::MainApp()
 {
+	// 设置背景色
 	QPalette palette(this->palette());
-
-	// 设置背景为黑色
-	palette.setColor(QPalette::Window, QColor(1, 32, 54));
+	palette.setColor(QPalette::Window, QColor(11, 33, 77));
 	this->setAutoFillBackground(true);
 	this->setPalette(palette);
 	this->setStyleSheet("color: white;");
@@ -59,6 +58,7 @@ void MainApp::initMenu()
 	ui.labelDT = std::make_shared< QLabel>();
 	ui.labelDT->setAlignment(Qt::AlignCenter);
 	ui.labelDT->setText(Utils::timeStr().c_str());
+	ui.labelDT->setFont(QFont("微软雅黑", 14));
 	ui.layoutMenu->addWidget(ui.labelDT.get(), 0, 0, 1, 1);
 	// 设置列宽和行高
 	ui.layoutMenu->setRowMinimumHeight(0, 40); // 设置第0列的最小宽度为100像素
diff --git a/src/qt/MyQUI.cpp b/src/qt/MyQUI.cpp
index 8767bc0..92a8056 100644
--- a/src/qt/MyQUI.cpp
+++ b/src/qt/MyQUI.cpp
@@ -5,7 +5,9 @@ static const std::string QSS_GROUP =
 "QGroupBox::title { subcontrol-origin: margin; subcontrol-position: top left; left:10px; margin-left: 0px; padding:0 1px; }";
 
 static const std::string QSS_BTN =
-"QPushButton {background:rgba(80, 80, 80,80);border-radius:5px;border:1px solid gray;color:white;font:bold 13px;}";
+"QPushButton {background:rgba(180,180,180,50);border-radius:2px;border:1px solid gray;color:white;}"
+"QPushButton:hover {background-color:rgb(32,164,128);}"
+"QPushButton:pressed {border-width:2px 0 0 2px;border-style:inset;}";
 
 static const std::string QSS_BTN_ACTIVE =
 "QPushButton {background:rgba(80, 80, 80,80);border-radius:5px;border:1px solid green;color:green;font:bold 15px;}";
@@ -29,7 +31,7 @@ static const std::string QSS_BTN_TAB =
 //"QPushButton:disabled {color:rgb(150,150,150);}";
 
 static const std::string QSS_LINE =
-"QLineEdit { background-color: rgb(14, 49, 66); color: #ffffff; border: 1px solid gray; border-radius: 5px; font: bold 13px; }";
+"QLineEdit { background-color:rgba(180,180,180,36); color:#ffffff; border:1px solid gray; border-radius:3px; font:bold 13px; }"; //14, 49, 66
 
 static const std::string QSS_TABLE =     // 表格整体样式
 "QTableWidget {"
@@ -70,6 +72,13 @@ MyWidget::MyWidget(QWidget* parent) : QWidget(parent)
     setAutoFillBackground(true);
 }
 
+shared_ptr<QPushButton> MyQUI::Button(QWidget* parent, int x, int y, int w, int h, std::string title)
+{
+    auto btn = std::make_shared<QPushButton>(title.c_str(), parent);
+    btn->setGeometry(x, y, w, h);
+    btn->setStyleSheet(QSS_BTN.c_str());
+    return btn;
+}
 
 std::shared_ptr<QGroupBox> MyQUI::GroupBox(QWidget* parent, int x, int y, int w, int h, std::string title)
 {
diff --git a/src/qt/MyQUI.h b/src/qt/MyQUI.h
index bf1ee0a..c20f4fa 100644
--- a/src/qt/MyQUI.h
+++ b/src/qt/MyQUI.h
@@ -81,6 +81,8 @@ using MyPairLabelLine = pair<shared_ptr<QLabel>, shared_ptr<QLineEdit>>;
 class MyQUI
 {
 public:
+    static shared_ptr<QPushButton> Button(QWidget* parent, int x, int y, int w, int h, std::string title);
+
 	static shared_ptr<QGroupBox> GroupBox(QWidget* parent, int x, int y, int w, int h, std::string title);
 
     static MyPairLabelLine PairLine(QWidget* parent, int x, int y, string k, string v, bool readonly=true);
diff --git a/src/qt/widgets/QWHome.cpp b/src/qt/widgets/QWHome.cpp
index 1c7698e..f022d73 100644
--- a/src/qt/widgets/QWHome.cpp
+++ b/src/qt/widgets/QWHome.cpp
@@ -64,13 +64,12 @@ QWHome::QWHome(QWidget* parent) : MyWidget(parent)
 		table->setColumnWidth(4, 80);
 	}
 
-	logFilter = MyQUI::PairLine(this, 10, y += 270, "日志过滤: ", "", false);
-	btnLogClean = std::make_shared<QPushButton>("清除", this);
-	btnLogClean->setGeometry(400, y, 80, 26);
+	logFilter = MyQUI::PairLine(this, 10, y += 280, "日志过滤: ", "", false);
+	btnLogClean = MyQUI::Button(this, 400, y-1, 80, 28, "清除");
 	connect(btnLogClean.get(), &QPushButton::clicked, this, [=]() { texteditLog->clear(); });
 
 	texteditLog = std::make_shared<QTextEdit>(this);
-	texteditLog->setGeometry(10, y += 30, 1190, 280);
+	texteditLog->setGeometry(10, y += 35, 1190, 280);
 	texteditLog->setStyleSheet("background-color: transparent; border: 1px solid gray; font-weight: 400;");
 	texteditLog->setReadOnly(true);
 	texteditLog->document()->setMaximumBlockCount(1000);