diff --git a/README.md b/README.md
index 35bd1ba..3370b74 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ mysql -u root -p
 
 ```shell
 # 创建库
-create database app_manager;
+create database app_manager DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
 ```
 
 ##### HTTPS 证书
@@ -56,7 +56,7 @@ create database app_manager;
 
 #### 部署
 
-本项目使用的是 80 和 443 端口，确保端口未被占用。
+本项目使用的是 80 和 443 端口，确保端口未被占用。可以配置文件中更改为别的端口。
 
 > 启动服务
 
diff --git a/src/main/java/org/yzr/controller/PackageController.java b/src/main/java/org/yzr/controller/PackageController.java
index d069900..8a88b64 100644
--- a/src/main/java/org/yzr/controller/PackageController.java
+++ b/src/main/java/org/yzr/controller/PackageController.java
@@ -182,7 +182,7 @@ public class PackageController {
             // 生成文件名
             String newFileName = UUID.randomUUID().toString() + "." + ext;
             // 转存到 tmp
-            String destPath = FileUtils.getTempDirectory() + newFileName;
+            String destPath = FileUtils.getTempDirectoryPath() + File.separator + newFileName;
             srcFile.transferTo(new File(destPath));
             return destPath;
         } catch (Exception e) {
diff --git a/src/main/java/org/yzr/utils/PathManager.java b/src/main/java/org/yzr/utils/PathManager.java
index bac6246..a6eeaa8 100644
--- a/src/main/java/org/yzr/utils/PathManager.java
+++ b/src/main/java/org/yzr/utils/PathManager.java
@@ -46,7 +46,7 @@ public class PathManager {
             }
             int httpPort = Integer.parseInt(environment.getProperty("server.http.port"));
             int httpsPort = Integer.parseInt(environment.getProperty("server.port"));
-            int port = isHttps ? httpPort : httpsPort;
+            int port = isHttps ? httpsPort : httpPort;
             String protocol = isHttps ? "https" : "http";
             String portString = ":" + port;
             if (port == 80 || port == 443) {
@@ -88,7 +88,7 @@ public class PathManager {
     public static String getTempIconPath(Package aPackage) {
         if (aPackage == null) return null;
         StringBuilder path = new StringBuilder();
-        path.append(FileUtils.getTempDirectoryPath()).append(aPackage.getPlatform());
+        path.append(FileUtils.getTempDirectoryPath()).append(File.separator).append(aPackage.getPlatform());
         path.append(File.separator).append(aPackage.getBundleID());
         // 如果目录不存在，创建目录
         File dir = new File(path.toString());
diff --git a/src/main/java/org/yzr/utils/ZipUtils.java b/src/main/java/org/yzr/utils/ZipUtils.java
index 1342b45..b5a6095 100644
--- a/src/main/java/org/yzr/utils/ZipUtils.java
+++ b/src/main/java/org/yzr/utils/ZipUtils.java
@@ -14,7 +14,7 @@ public class ZipUtils {
     public static String unzip(String path) {
         try {
             long start = System.currentTimeMillis();
-            String destDirPath = System.getProperty("java.io.tmpdir") + start;
+            String destDirPath = FileUtils.getTempDirectoryPath() + File.separator + start;
             ZipFile zipFile = new ZipFile(path);
             Enumeration<?> entries = zipFile.entries();
             while (entries.hasMoreElements()) {
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index b817bd6..502a387 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,7 +1,7 @@
 ########################################################
 ### Mysql
 ########################################################
-spring.datasource.url=jdbc:mysql://127.0.0.1:3306/app_manager
+spring.datasource.url=jdbc:mysql://127.0.0.1:3306/app_manager?useUnicode=true&amp;characterEncoding=utf-8
 spring.datasource.username=root
 spring.datasource.password=
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver