diff --git a/src/main.cpp b/src/main.cpp
index 19dc721..bd2b798 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -20,12 +20,17 @@
 #include <sqlite3.h>
 #include <SPI.h>
 #include <FS.h>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <sstream>
 #include "SD.h"
 //配置数据结构
-int callbacktimes;
+using namespace std;
+int OutPutTimes;
+String OutPutString = "";
 int keySize;
-const int siteSize = 5;
-String site[siteSize];
+
 struct key {
     String user;
     String password;
@@ -35,20 +40,23 @@ const char* data = "Callback function called";
 static int callback(void *data, int argc, char **argv, char **azColName){
     int i;
     Serial.printf("%s: ", (const char*)data);
-    callbacktimes++;
+    OutPutTimes++;
+
+    Serial.println("----------------------");
     for (i = 0; i<argc; i++){
         // 初始化一个空的字符串
-        String outputString = "";
+
 
 // 使用sprintf将输出格式化
-        char buffer[50];
-        sprintf(buffer, "%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
+       char buffer[50];
+       sprintf(buffer, "%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
+        OutPutString+=buffer;
+// 将格式化后的字符串连接到OutPutString
+     //   OutPutString = const_cast<char *>( "%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
 
-// 将格式化后的字符串连接到outputString
-        outputString += buffer;
+   //     Serial.printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
+// 现在OutPutString包含了格式化后的字符串
 
-// 现在outputString包含了格式化后的字符串
-        Serial.println(outputString);
     }
 
     Serial.printf("\n");
@@ -79,11 +87,95 @@ int db_exec(sqlite3 *db, const char *sql) {
     }
     Serial.print(F("Time taken:"));
     Serial.println(micros()-start);
+
     return rc;
 }
 
+void addSiteDataToArr() {
+    sqlite3 *db1;
+
+    char *zErrMsg = 0;
+    int rc;
+
+    SPI.begin();
+    SD.begin();
+
+    sqlite3_initialize();
+
+    // Open database 1
+    if (openDb("/sd/key.db", &db1))
+        return;
+    rc = db_exec(db1, "SELECT * FROM site");
+    if (rc != SQLITE_OK) {
+        sqlite3_close(db1);
+
+        return;
+    }
+    Serial.println(OutPutString);
+
+    Serial.println("All Have Data Times:");
+    const int SiteSize = OutPutTimes;
+
+    String Site[SiteSize];//根据数据长度确认数组长度
+    std::string OutPutString = "id = 1\nsite = example_site_2\nuser = user1\npassword = password1\nid = 2\nsite = example_site_1\nuser = user3\npassword = password1\nid = 3\nsite = example.com\nuser = john_doe\npassword = password123";
+
+    std::istringstream ss(OutPutString);
+    std::string line;
+
+    while (std::getline(ss, line, '\n')) {
+        // Split the line based on '='
+        size_t found = line.find('=');
+        if (found != std::string::npos) {
+            std::string key = line.substr(0, found);
+            std::string value = line.substr(found + 1);
+
+            // Trim any leading/trailing spaces
+            key.erase(0, key.find_first_not_of(" \n\r\t"));
+            key.erase(key.find_last_not_of(" \n\r\t") + 1);
+            value.erase(0, value.find_first_not_of(" \n\r\t"));
+            value.erase(value.find_last_not_of(" \n\r\t") + 1);
+            const char* cString = key.c_str();
+
+            // 输出C风格的字符串
+            Serial.println(cString);
+            Serial.println("+");
+            const char* cString2 = value.c_str();
+
+            // 输出C风格的字符串
+            Serial.println(cString2);
+            //std::cout << key << " = " << value << std::endl;
+        }
+    }
+
+    //   OutPutString.
+//
+//    char *token;
+//
+//    token = strtok( OutPutString, "\n");
+//    for (int i = 0; i < OutPutTimes; i++) {
+//        char *value = strchr(token, '=');
+//
+//        if (value != NULL) {
+//            value++; // 移动到等号后面的值
+//            Site[i] = value;
+//        }
+//
+//        token = strtok(NULL, "\n");
+//    }
+
+
+
+
+    Serial.println(OutPutTimes);
+    //初始化
+    OutPutString = "";
+    OutPutTimes = 0;
+    sqlite3_close(db1);
+}
 void setup() {
     Serial.begin(115200);
+    addSiteDataToArr();
+
     sqlite3 *db1;
 
     char *zErrMsg = 0;
@@ -98,27 +190,17 @@ void setup() {
     if (openDb("/sd/key.db", &db1))
         return;
 
-
-    rc = db_exec(db1, "SELECT * FROM site");
-    if (rc != SQLITE_OK) {
-        sqlite3_close(db1);
-
-        return;
-    }
-    Serial.println("All Have Data Times:");
-    Serial.println(callbacktimes);
-    callbacktimes=0;
-
     rc = db_exec(db1, "SELECT * FROM key;");
     if (rc != SQLITE_OK) {
         sqlite3_close(db1);
 
         return;
     }
-
+    Serial.println(OutPutString);
+    OutPutString="";
     Serial.println("All Have Data Times2:");
-    Serial.println(callbacktimes);
-    callbacktimes=0;
+    Serial.println(OutPutTimes);
+
     sqlite3_close(db1);