diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/config/sign/util/HttpUtils.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/config/sign/util/HttpUtils.java
index 6daabd25..82f06e63 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/config/sign/util/HttpUtils.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/config/sign/util/HttpUtils.java
@@ -46,8 +46,8 @@ public class HttpUtils {
         }
         // 获取URL上的参数
         Map<String, String> urlParams = getUrlParams(request);
-        for (Map.Entry entry : urlParams.entrySet()) {
-            result.put((String)entry.getKey(), (String)entry.getValue());
+        for (Map.Entry<String, String> entry : urlParams.entrySet()) {
+            result.put(entry.getKey(), entry.getValue());
         }
         Map<String, String> allRequestParam = new HashMap<>(16);
         // get请求不需要拿body参数
@@ -56,8 +56,8 @@ public class HttpUtils {
         }
         // 将URL的参数和body参数进行合并
         if (allRequestParam != null) {
-            for (Map.Entry entry : allRequestParam.entrySet()) {
-                result.put((String)entry.getKey(), (String)entry.getValue());
+            for (Map.Entry<String, String> entry : allRequestParam.entrySet()) {
+                result.put(entry.getKey(), entry.getValue());
             }
         }
         return result;
@@ -84,8 +84,8 @@ public class HttpUtils {
         }
         // 获取URL上的参数
         Map<String, String> urlParams = getUrlParams(queryString);
-        for (Map.Entry entry : urlParams.entrySet()) {
-            result.put((String)entry.getKey(), (String)entry.getValue());
+        for (Map.Entry<String, String> entry : urlParams.entrySet()) {
+            result.put(entry.getKey(), entry.getValue());
         }
         Map<String, String> allRequestParam = new HashMap<>(16);
         // get请求不需要拿body参数
@@ -94,8 +94,8 @@ public class HttpUtils {
         }
         // 将URL的参数和body参数进行合并
         if (allRequestParam != null) {
-            for (Map.Entry entry : allRequestParam.entrySet()) {
-                result.put((String)entry.getKey(), (String)entry.getValue());
+            for (Map.Entry<String, String> entry : allRequestParam.entrySet()) {
+                result.put(entry.getKey(), entry.getValue());
             }
         }
         return result;
@@ -111,7 +111,7 @@ public class HttpUtils {
     public static Map getAllRequestParam(final HttpServletRequest request) throws IOException {
 
         BufferedReader reader = new BufferedReader(new InputStreamReader(request.getInputStream()));
-        String str = "";
+        String str;
         StringBuilder wholeStr = new StringBuilder();
         // 一行一行的读取body体里面的内容；
         while ((str = reader.readLine()) != null) {