fixed bug

im-sdk/src/main/java/com/wecloud/im/sdk/internal/WecloudImUserOperation.java

@@ -116,8 +116,7 @@ public class WecloudImUserOperation extends WecloudImOperation {
         String nickname = modifyUserRequest.getNickname();
         String nickname = modifyUserRequest.getNickname();
         // 参数校验
         // 参数校验
         assertParameterNotNull(userId, "userId");
         assertParameterNotNull(userId, "userId");
-        assertParameterNotBlank(headPortrait, "headPortrait");
-        assertParameterNotBlank(nickname, "headPortrait");
+        assertParameterNotBlank(nickname, "nickname");
         // 校验通过 构建参数
         // 校验通过 构建参数
         Map<String, Object> param = new HashMap<>();
         Map<String, Object> param = new HashMap<>();
         param.put("userId", userId + "");
         param.put("userId", userId + "");