diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/LoginController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/LoginController.java
index d38f03af..9d5993b1 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/LoginController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/LoginController.java
@@ -33,6 +33,7 @@ import org.springframework.web.bind.annotation.*;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.security.*;
 import java.util.*;
 
 /**
@@ -118,7 +119,7 @@ public class LoginController {
 			// 重试登录次数加一
 			retryCount++;
 			if( retryCount == 1){
-				redisUtil.set(RETRY_LOGIN_PREFIX + username,retryCount, 1000 * 60 * 30);
+				redisUtil.set(RETRY_LOGIN_PREFIX + username,retryCount,   60 * 30);
 			}else {
 				redisUtil.set(RETRY_LOGIN_PREFIX + username,retryCount,redisUtil.getExpire(RETRY_LOGIN_PREFIX + username));
 			}
@@ -526,5 +527,33 @@ public class LoginController {
 		}
 		return Result.OK();
 	}
-
+	/**
+	 * 返回一个RSA公钥
+	 * @author 马志朝
+	 * @date 2021/4/15 15:01
+	 * @param
+	 * @return com.jero.common.api.vo.Result<java.lang.String>
+	 */
+	public Result<String> getRSAPublicKey(){
+		KeyPairGenerator keyPairGenerator = null;
+		try {
+			keyPairGenerator = KeyPairGenerator.getInstance("RSA");
+		} catch (NoSuchAlgorithmException e) {
+			e.printStackTrace();
+		}
+		assert keyPairGenerator != null;
+		KeyPair keyPair = keyPairGenerator.generateKeyPair();
+		// 得到私钥
+		PrivateKey privateKey = keyPair.getPrivate();
+		// 得到公钥
+		PublicKey publicKey = keyPair.getPublic();
+		//base64编码
+		String privateKeyBase64 = Base64.getEncoder().encodeToString(privateKey.getEncoded());
+		String publicKeyBase64 = Base64.getEncoder().encodeToString(publicKey.getEncoded());
+		//存到redis key为公钥 value为私钥
+		redisUtil.set(publicKeyBase64, privateKeyBase64, 60 * 60L);
+		Result<String> result = new Result<>();
+		result.setResult(publicKeyBase64);
+		return result;
+	}
 }
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