diff --git a/src/main/java/com/cym/controller/adminPage/ConfController.java b/src/main/java/com/cym/controller/adminPage/ConfController.java
index b92f29038a0ac497deaab9e70b00e786be2b41d3..853ef9262efe886731f5d5ab8e1fe9118bd77f98 100644
--- a/src/main/java/com/cym/controller/adminPage/ConfController.java
+++ b/src/main/java/com/cym/controller/adminPage/ConfController.java
@@ -370,22 +370,17 @@ public class ConfController extends BaseController {
 
 		// 检查命令格式
 		switch (cmd) {
-		case "pkill nginx":
-			return true;
-		case "taskkill /f /im nginx.exe":
-			return true;
-		case "systemctl stop nginx":
-			return true;
-		case "service nginx stop":
-			return true;
-		case "net stop nginx":
-			return true;
-		case "systemctl start nginx":
-			return true;
-		case "service nginx start":
-			return true;
-		case "net start nginx":
-			return true;
+			case "net start nginx":
+			case "service nginx start":
+			case "systemctl start nginx":
+			case "net stop nginx":
+			case "service nginx stop":
+			case "systemctl stop nginx":
+			case "taskkill /f /im nginx.exe":
+			case "pkill nginx":
+				return true;
+			default:
+				break;
 		}
 
 		String dir = "";
diff --git a/src/main/java/com/cym/controller/adminPage/HttpController.java b/src/main/java/com/cym/controller/adminPage/HttpController.java
index c85b2b331ccaecc69928ef0ade1da88d618b8290..0ee4a1602a69da2a55e907bc58068825424e2889 100644
--- a/src/main/java/com/cym/controller/adminPage/HttpController.java
+++ b/src/main/java/com/cym/controller/adminPage/HttpController.java
@@ -88,7 +88,7 @@ public class HttpController extends BaseController {
 			http.setName("map");
 			http.setValue("$http_upgrade $connection_upgrade {\r\n" //
 					+ "    default upgrade;\r\n" //
-					+ "    '' close;\r\n" + "}\r\n" + "");//
+					+ "    '' close;\r\n" + "}\r\n");//
 			http.setUnit("");
 			https.add(http);
 		}
diff --git a/src/main/java/com/cym/sqlhelper/utils/SqlHelper.java b/src/main/java/com/cym/sqlhelper/utils/SqlHelper.java
index b56f9f0e3eed1cc21c5d72f27ceabea2a3944fb3..b8f88777f4d1629157bc556d2c6b794920aa1967 100644
--- a/src/main/java/com/cym/sqlhelper/utils/SqlHelper.java
+++ b/src/main/java/com/cym/sqlhelper/utils/SqlHelper.java
@@ -297,7 +297,7 @@ public class SqlHelper extends SqlUtils {
 				paramValues.add(ReflectUtil.getFieldValue(object, field));
 			}
 		}
-		paramValues.add((String) ReflectUtil.getFieldValue(object, "id"));
+		paramValues.add(ReflectUtil.getFieldValue(object, "id"));
 
 		String sql = "UPDATE `" + StrUtil.toUnderlineCase(object.getClass().getSimpleName()) + "` SET " + StrUtil.join(",", fieldsPart) + " WHERE id = ?";
 
@@ -571,7 +571,7 @@ public class SqlHelper extends SqlUtils {
 	 * @return List 列表
 	 */
 	public <T> List<T> findListByQuery(ConditionWrapper conditionWrapper, Class<T> clazz) {
-		return (List<T>) findListByQuery(conditionWrapper, null, clazz);
+		return findListByQuery(conditionWrapper, null, clazz);
 	}
 
 	/**
@@ -583,7 +583,7 @@ public class SqlHelper extends SqlUtils {
 	 * @return List 列表
 	 */
 	public <T> List<T> findListByQuery(Sort sort, Class<T> clazz) {
-		return (List<T>) findListByQuery(null, sort, clazz);
+		return findListByQuery(null, sort, clazz);
 	}
 
 	/**
diff --git a/src/main/java/com/cym/utils/Crypt.java b/src/main/java/com/cym/utils/Crypt.java
index 0ea2bd13872f69c7640a0992c6a9d0ad3cd71fcf..994c063594d5e46f2e031a5c2a2573a96efa3949 100644
--- a/src/main/java/com/cym/utils/Crypt.java
+++ b/src/main/java/com/cym/utils/Crypt.java
@@ -145,7 +145,7 @@ public class Crypt {
 			0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A };
 
 	private static final int byteToUnsigned(byte b) {
-		int value = (int) b;
+		int value = b;
 
 		return (value >= 0 ? value : value + 256);
 	}
diff --git a/src/main/java/com/cym/utils/PwdCheckUtil.java b/src/main/java/com/cym/utils/PwdCheckUtil.java
index 87c9e2b3188695faf0644f1cb25d99f54d045e64..557408b2f8471179f73157b19ed9cfb4c8bd2569 100644
--- a/src/main/java/com/cym/utils/PwdCheckUtil.java
+++ b/src/main/java/com/cym/utils/PwdCheckUtil.java
@@ -169,7 +169,7 @@ public class PwdCheckUtil {
      * @return  含有横向连续字符串 返回true
      */
     public static boolean checkLateralKeyboardSite(String password, int repetitions, boolean isLower) {
-        String t_password = new String(password);
+        String t_password = password;
         //将所有输入字符转为小写
         t_password = t_password.toLowerCase();
         int n = t_password.length();
@@ -232,7 +232,7 @@ public class PwdCheckUtil {
      * @throws
      */
     public static boolean checkKeyboardSlantSite(String password, int repetitions, boolean isLower) {
-        String t_password = new String(password);
+        String t_password = password;
         t_password = t_password.toLowerCase();
         int n = t_password.length();
         /**
@@ -288,7 +288,7 @@ public class PwdCheckUtil {
      * @throws
      */
     public static boolean checkSequentialChars(String password, int repetitions, boolean isLower) {
-        String t_password = new String(password);
+        String t_password = password;
         boolean flag = false;
         int limit_num = repetitions;
         int normal_count = 0;
@@ -333,7 +333,7 @@ public class PwdCheckUtil {
      * @throws
      */
     public static boolean checkSequentialSameChars(String password, int repetitions) {
-        String t_password = new String(password);
+        String t_password = password;
         int n = t_password.length();
         char[] pwdCharArr = t_password.toCharArray();
         boolean flag = false;
diff --git a/src/main/java/com/cym/utils/UpdateUtils.java b/src/main/java/com/cym/utils/UpdateUtils.java
index d07c82970ff3450651116df78b76cfcfcd8b6b2c..c7845ef99846a86a573e2a929318354fbf11b298 100644
--- a/src/main/java/com/cym/utils/UpdateUtils.java
+++ b/src/main/java/com/cym/utils/UpdateUtils.java
@@ -37,7 +37,7 @@ public class UpdateUtils {
 
 		String param = " --server.port=" + port + " --project.home=" + home;
 
-		if ("mysql".equals(type.toLowerCase())) {
+		if ("mysql".equalsIgnoreCase(type)) {
 			param += " --spring.database.type=" + type //
 					+ " --spring.datasource.url=" + url //
 					+ " --spring.datasource.username=" + username //