diff --git a/deploy/nginx.conf b/deploy/nginx.conf
index 82d5f180..00d324fc 100644
--- a/deploy/nginx.conf
+++ b/deploy/nginx.conf
@@ -8,6 +8,8 @@ http {
     listen [::]:80;
     server_name _;
 
+    client_max_body_size 10M;
+
     location / {
         proxy_pass http://dl-backend:8080;
         proxy_set_header Host $host;
diff --git a/src/main/java/com/dl/officialsite/aave/Constant.java b/src/main/java/com/dl/officialsite/aave/Constant.java
index a4d20a30..675baa3b 100644
--- a/src/main/java/com/dl/officialsite/aave/Constant.java
+++ b/src/main/java/com/dl/officialsite/aave/Constant.java
@@ -1,12 +1,8 @@
 package com.dl.officialsite.aave;
 
-import static org.web3j.tx.gas.DefaultGasProvider.GAS_LIMIT;
-import static org.web3j.tx.gas.DefaultGasProvider.GAS_PRICE;
-
 import com.dl.officialsite.common.constants.Constants;
 import com.dl.officialsite.config.TokenConfig;
 import com.dl.officialsite.contract.ipooladdressesprovider.IPoolAddressesProvider;
-import jdk.nashorn.internal.parser.Token;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
@@ -19,6 +15,9 @@
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
+import static org.web3j.tx.gas.DefaultGasProvider.GAS_LIMIT;
+import static org.web3j.tx.gas.DefaultGasProvider.GAS_PRICE;
+
 /**
  * @ClassName Compent
  * @Author jackchen
diff --git a/src/main/java/com/dl/officialsite/bot/discord/DiscordBotConfig.java b/src/main/java/com/dl/officialsite/bot/discord/DiscordBotConfig.java
index 87c211d3..7551a0a8 100644
--- a/src/main/java/com/dl/officialsite/bot/discord/DiscordBotConfig.java
+++ b/src/main/java/com/dl/officialsite/bot/discord/DiscordBotConfig.java
@@ -5,6 +5,7 @@
 import com.dl.officialsite.bot.model.BaseBotConfig;
 import com.dl.officialsite.bot.model.BotTopic;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.extern.slf4j.Slf4j;
 import net.dv8tion.jda.api.JDA;
 import net.dv8tion.jda.api.JDABuilder;
@@ -19,6 +20,7 @@
 
 @Slf4j
 @Data
+@EqualsAndHashCode(callSuper=false)
 @ConfigurationProperties(prefix = "bot.discord", ignoreInvalidFields = true)
 public class DiscordBotConfig extends BaseBotConfig<JDA, String, String> {
     public DiscordBotConfig() {
diff --git a/src/main/java/com/dl/officialsite/bot/telegram/TelegramBotConfig.java b/src/main/java/com/dl/officialsite/bot/telegram/TelegramBotConfig.java
index 9501bffb..4bf15f97 100644
--- a/src/main/java/com/dl/officialsite/bot/telegram/TelegramBotConfig.java
+++ b/src/main/java/com/dl/officialsite/bot/telegram/TelegramBotConfig.java
@@ -4,6 +4,7 @@
 import com.dl.officialsite.bot.model.BaseBotConfig;
 import com.pengrad.telegrambot.TelegramBot;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.extern.slf4j.Slf4j;
 import okhttp3.OkHttpClient;
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -12,6 +13,7 @@
 
 @Slf4j
 @Data
+@EqualsAndHashCode(callSuper=false)
 @ConfigurationProperties(prefix = "bot.telegram", ignoreInvalidFields = true)
 public class TelegramBotConfig extends BaseBotConfig<TelegramBot, Long, Integer> {
 
diff --git a/src/main/java/com/dl/officialsite/login/controller/HelloController.java b/src/main/java/com/dl/officialsite/login/controller/HelloController.java
new file mode 100644
index 00000000..e28ebac6
--- /dev/null
+++ b/src/main/java/com/dl/officialsite/login/controller/HelloController.java
@@ -0,0 +1,13 @@
+package com.dl.officialsite.login.controller;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+    @GetMapping("/hello")
+    public String sayHello() {
+        return "hello";
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/dl/officialsite/login/filter/LoginFilter.java b/src/main/java/com/dl/officialsite/login/filter/LoginFilter.java
index 62ca2ed8..301898fa 100644
--- a/src/main/java/com/dl/officialsite/login/filter/LoginFilter.java
+++ b/src/main/java/com/dl/officialsite/login/filter/LoginFilter.java
@@ -55,6 +55,7 @@ public class LoginFilter extends OncePerRequestFilter {
         add("/share/delete");
         add("/share/all");
         add("/share/rank");
+        add("/hello");
     }} ;
 
     private Set<String> noAddrCheckApis = new HashSet(){{