diff --git a/web-api/src/main/java/com/jeesite/modules/app/utils/MyFileUtils.java b/web-api/src/main/java/com/jeesite/modules/app/utils/MyFileUtils.java
index e4eca93d..be593e6f 100644
--- a/web-api/src/main/java/com/jeesite/modules/app/utils/MyFileUtils.java
+++ b/web-api/src/main/java/com/jeesite/modules/app/utils/MyFileUtils.java
@@ -3,6 +3,7 @@ package com.jeesite.modules.app.utils;
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.OutputStreamWriter;
+import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.*;
 import java.text.DecimalFormat;
@@ -133,12 +134,13 @@ public class MyFileUtils {
         }
     }
 
-    public static void writeToFile(String fileName, String content, java.nio.charset.Charset charset, boolean append) throws Exception {
+    public static void writeToFile(String fileName, String content, Charset charset, boolean append) throws Exception {
         if (fileName == null || fileName.trim().isEmpty()) {
             throw new IllegalArgumentException("文件名不能为空");
         }
-        if (content == null) {
-            content = "";
+        String writeContent = content == null ? "" : content;
+        if (append && !writeContent.isEmpty()) {
+            writeContent = System.lineSeparator() + writeContent;
         }
         File file = new File(fileName);
         File parentDir = file.getParentFile();
@@ -149,7 +151,7 @@ public class MyFileUtils {
             }
         }
         try (OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(file, append), charset)) {
-            writer.write(content + "\n");
+            writer.write(writeContent);
             writer.flush();
         } catch (Exception e) {
             throw new Exception("写入文件失败: " + file.getAbsolutePath(), e);
diff --git a/web-api/src/main/java/com/jeesite/modules/app/utils/MysqlUtils.java b/web-api/src/main/java/com/jeesite/modules/app/utils/MysqlUtils.java
index 41cb7d72..159afa18 100644
--- a/web-api/src/main/java/com/jeesite/modules/app/utils/MysqlUtils.java
+++ b/web-api/src/main/java/com/jeesite/modules/app/utils/MysqlUtils.java
@@ -266,32 +266,30 @@ public class MysqlUtils {
      * @return
      */
     public static String getExecScript(BizDbConfig dbConfig, String scriptName) {
-        String EXEC_RESULT = "执行成功";
-        String LOG_NAME = EXEC_LOG_PATH + vId.getCid() + "_log_" + scriptName;
-        MyFileUtils.writeFile(LOG_NAME, "-- 执行脚本:" + scriptName + ",开始时间:" + vDate.getNow(), true);
+        String execResult = "执行成功";
+        String logName = EXEC_LOG_PATH + vId.getCid() + "_log_" + scriptName;
         Connection conn = null;
+        MyFileUtils.writeFile(logName, "-- 执行脚本:" + scriptName + ",开始时间:" + vDate.getNow(), true);
         try {
             File file = new File(EXEC_RUN_PATH + scriptName);
+            // 1. 建立数据库连接并关闭自动提交
             conn = getConnection(dbConfig.getDbIp(), dbConfig.getDbPort(),
                     dbConfig.getDbUsername(), dbConfig.getDbPassword());
             conn.setAutoCommit(false);
-            try (Statement statement = conn.createStatement();
-                 BufferedReader reader = new BufferedReader(new FileReader(file))) {
-                StringBuilder sqlContent = new StringBuilder();
+            StringBuilder sqlContent = new StringBuilder();
+            try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
                 String line;
                 while ((line = reader.readLine()) != null) {
-                    line = line.trim();
-                    if (line.isEmpty() || line.startsWith("--")) {
-                        continue;
+                    String trimmedLine = line.trim();
+                    if (trimmedLine.isEmpty()) {
+                        continue; // 过滤空行，避免无效拆分
                     }
-                    sqlContent.append(line);
-                }
-                Map<String, String> varMap = new HashMap<>();
-                varMap.put("\\$\\{[bB][iI][zZ]_[dD][aA][tT][eE]\\}", vDate.dsValueDaysAgo(1));
-                String replacedSqlContent = sqlContent.toString();
-                for (Map.Entry<String, String> entry : varMap.entrySet()) {
-                    replacedSqlContent = replacedSqlContent.replaceAll(entry.getKey(), entry.getValue());
+                    sqlContent.append(line).append("\n"); // 保留原始行内容（含注释）
                 }
+            }
+            String replacedSqlContent = sqlContent.toString();
+            replacedSqlContent = replacedSqlContent.replaceAll("\\$\\{[bB][iI][zZ]_[dD][aA][tT][eE]\\}", vDate.dsValueDaysAgo(1));
+            try (Statement statement = conn.createStatement()) {
                 String[] sqlStatements = replacedSqlContent.split(";");
                 int totalAffectedRows = 0;
                 for (String sql : sqlStatements) {
@@ -299,7 +297,12 @@ public class MysqlUtils {
                     if (sql.isEmpty()) {
                         continue;
                     }
-                    MyFileUtils.writeFile(LOG_NAME, sql, true);
+                    String sqlWithSemicolon = sql + ";";
+                    try {
+                        MyFileUtils.writeFile(logName, sqlWithSemicolon, true);
+                    } catch (Exception e) {
+                        logger.error("写入SQL日志失败", e);
+                    }
                     boolean hasResultSet = statement.execute(sql);
                     if (hasResultSet) {
                         try (ResultSet rs = statement.getResultSet()) {
@@ -309,7 +312,7 @@ public class MysqlUtils {
                             for (int i = 1; i <= columnCount; i++) {
                                 header.append(metaData.getColumnName(i)).append("\t");
                             }
-                            MyFileUtils.writeFile(LOG_NAME, header.toString().trim(), true);
+                            MyFileUtils.writeFile(logName, header.toString().trim(), true);
                             int rowNum = 0;
                             while (rs.next()) {
                                 rowNum++;
@@ -318,7 +321,7 @@ public class MysqlUtils {
                                     Object value = rs.getObject(i);
                                     rowData.append(value == null ? "NULL" : value.toString()).append("\t");
                                 }
-                                MyFileUtils.writeFile(LOG_NAME, rowData.toString().trim(), true);
+                                MyFileUtils.writeFile(logName, rowData.toString().trim(), true);
                             }
                             logger.info(sql, "执行成功,总行数:", rowNum);
                         }
@@ -328,27 +331,43 @@ public class MysqlUtils {
                         logger.info(sql, "执行成功, 影响行数:", affectedRows);
                     }
                 }
+
+                // 提交事务
                 conn.commit();
-                MyFileUtils.writeFile(LOG_NAME, "-- 执行脚本:" + scriptName + ",结束时间:" + vDate.getNow(), true);
-                logger.info(file.getName(), "脚本影响行数:", totalAffectedRows, " 执行结果:", EXEC_RESULT);
+                logger.info(file.getName(), "脚本影响行数:", totalAffectedRows, " 执行结果:", execResult);
             } catch (Exception e) {
-                conn.rollback();
-                EXEC_RESULT = e.getMessage();
+                // 回滚事务
+                if (conn != null) {
+                    try {
+                        conn.rollback();
+                    } catch (SQLException rollbackEx) {
+                        logger.error("事务回滚失败", rollbackEx);
+                    }
+                }
+                execResult = e.getMessage();
                 logger.error(file.getName(), "执行脚本文件失败:", e);
             }
+
         } catch (Exception e) {
-            EXEC_RESULT = e.getMessage();
+            execResult = e.getMessage();
             logger.error("执行脚本入口异常", e);
         } finally {
-            // 最终关闭连接
+            // 关闭数据库连接
             if (conn != null) {
                 try {
                     conn.close();
-                } catch (Exception e) {
-                    logger.error("关闭数据库连接失败", e);
+                } catch (SQLException closeEx) {
+                    logger.error("关闭数据库连接失败", closeEx);
                 }
             }
+            // 写入脚本结束日志
+            try {
+                MyFileUtils.writeFile(logName, "-- 执行脚本:" + scriptName + ",结束时间:" + vDate.getNow(), true);
+            } catch (Exception e) {
+                logger.error("写入执行结束日志失败", e);
+            }
         }
-        return EXEC_RESULT;
+
+        return execResult;
     }
 }
\ No newline at end of file