diff --git a/sop-common/sop-service-common/src/main/java/com/gitee/sop/servercommon/param/ApiArgumentResolver.java b/sop-common/sop-service-common/src/main/java/com/gitee/sop/servercommon/param/ApiArgumentResolver.java
index 6a5bd95a..fbd55e8e 100644
--- a/sop-common/sop-service-common/src/main/java/com/gitee/sop/servercommon/param/ApiArgumentResolver.java
+++ b/sop-common/sop-service-common/src/main/java/com/gitee/sop/servercommon/param/ApiArgumentResolver.java
@@ -51,6 +51,7 @@ import java.util.concurrent.ConcurrentHashMap;
 @Slf4j
 public class ApiArgumentResolver implements SopHandlerMethodArgumentResolver {
 
+    private static final String HAS_INIT_OPEN_CONTEXT = "hasInitOpenContext";
     private final Map<MethodParameter, HandlerMethodArgumentResolver> argumentResolverCache = new ConcurrentHashMap<>(256);
 
     private static List<MethodParameter> NEED_INIT_OPEN_CONTEXT = new ArrayList<>(16);
@@ -163,10 +164,15 @@ public class ApiArgumentResolver implements SopHandlerMethodArgumentResolver {
 
     private OpenContextImpl initOpenContextImpl(NativeWebRequest nativeWebRequest) {
         HttpServletRequest request = (HttpServletRequest) nativeWebRequest.getNativeRequest();
+        Object hasInit = request.getAttribute(HAS_INIT_OPEN_CONTEXT);
+        if (hasInit != null) {
+            return (OpenContextImpl) ServiceContext.getCurrentContext().getOpenContext();
+        }
         ServiceContext currentContext = ServiceContext.getCurrentContext();
         JSONObject requestParams = OpenUtil.getRequestParams(request);
         OpenContextImpl openContext = new OpenContextImpl(requestParams);
         currentContext.setOpenContext(openContext);
+        request.setAttribute(HAS_INIT_OPEN_CONTEXT, true);
         return openContext;
     }
 
diff --git a/sop-example/sop-story/src/main/java/com/gitee/sop/storyweb/controller/Example1001_BaseController.java b/sop-example/sop-story/src/main/java/com/gitee/sop/storyweb/controller/Example1001_BaseController.java
index 3517bf14..27ef9059 100644
--- a/sop-example/sop-story/src/main/java/com/gitee/sop/storyweb/controller/Example1001_BaseController.java
+++ b/sop-example/sop-story/src/main/java/com/gitee/sop/storyweb/controller/Example1001_BaseController.java
@@ -35,6 +35,7 @@ import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import javax.validation.constraints.Min;
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
@@ -136,6 +137,14 @@ public class Example1001_BaseController {
     @Open("story.system.param.get4")
     @RequestMapping("/get/system/param/v4")
     public Object addGoods3(HttpServletRequest request, StoryParam param) {
+        param.setRemark(request.getRequestURI());
+        return param;
+    }
+
+    @Open("story.system.param.get5")
+    @RequestMapping("/get/system/param/v5")
+    public Object get5(HttpServletRequest request, HttpServletResponse response, StoryParam param) {
+        param.setRemark(request.getRequestURI() + ", getCharacterEncoding:" + response.getCharacterEncoding());
         return param;
     }
 
diff --git a/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java b/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
index 0e935a0e..b970d8bb 100644
--- a/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
+++ b/sop-test/src/test/java/com/gitee/sop/test/AllInOneTest.java
@@ -422,6 +422,24 @@ public class AllInOneTest extends TestBase {
         client.execute(requestBuilder);
     }
 
+    public void testParamBind2() {
+        Client.RequestBuilder requestBuilder = new Client.RequestBuilder()
+                .method("story.system.param.get5")
+                .version("1.0")
+                .bizContent(new BizContent().add("id", "1").add("name", "葫芦娃"))
+                .postJson(true)
+                .httpMethod(HttpTool.HTTPMethod.POST)
+                .callback((requestInfo, responseData) -> {
+                    System.out.println(responseData);
+                    String node = requestInfo.getDataNode();
+                    JSONObject jsonObject = JSON.parseObject(responseData).getJSONObject(node);
+                    Assert.assertEquals(1L, jsonObject.getLongValue("id"));
+                    Assert.assertEquals("葫芦娃", jsonObject.getString("name"));
+                });
+
+        client.execute(requestBuilder);
+    }
+
     /**
      * 未知异常
      */