diff --git a/src/main/java/im/zhaojun/zfile/home/controller/FileController.java b/src/main/java/im/zhaojun/zfile/home/controller/FileController.java
index 2b47dfc..f179671 100644
--- a/src/main/java/im/zhaojun/zfile/home/controller/FileController.java
+++ b/src/main/java/im/zhaojun/zfile/home/controller/FileController.java
@@ -1 +1 @@
-package im.zhaojun.zfile.home.controller;

import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import com.github.xiaoymin.knife4j.annotations.ApiSort;
import im.zhaojun.zfile.admin.model.entity.StorageSource;
import im.zhaojun.zfile.admin.service.StorageSourceService;
import im.zhaojun.zfile.common.context.StorageSourceContext;
import im.zhaojun.zfile.common.util.AjaxJson;
import im.zhaojun.zfile.home.chain.FileChain;
import im.zhaojun.zfile.home.chain.FileContext;
import im.zhaojun.zfile.home.convert.StorageSourceConvert;
import im.zhaojun.zfile.home.model.request.FileListRequest;
import im.zhaojun.zfile.home.model.request.SearchStorageRequest;
import im.zhaojun.zfile.home.model.result.FileInfoResult;
import im.zhaojun.zfile.home.model.result.FileItemResult;
import im.zhaojun.zfile.home.model.result.StorageSourceResult;
import im.zhaojun.zfile.home.service.base.AbstractBaseFileService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.validation.Valid;
import java.util.List;

/**
 * 文件列表相关接口, 如展示存储源列表, 展示文件列表, 搜索文件列表等.
 *
 * @author zhaojun
 */
@Api(tags = "文件列表模块")
@ApiSort(2)
@Slf4j
@RequestMapping("/api/storage")
@RestController
public class FileController {

	@Resource
	private StorageSourceContext storageSourceContext;

	@Resource
	private StorageSourceService storageSourceService;

	@Resource
	private FileChain fileChain;

	@Resource
	private StorageSourceConvert storageSourceConvert;


	@ApiOperationSupport(order = 1)
	@ApiOperation(value = "获取存储源列表", notes = "获取所有已启用的存储源, 并且按照后台顺序排序")
	@GetMapping("/list")
	public AjaxJson<List<StorageSourceResult>> storageList() {
		List<StorageSource> storageList = storageSourceService.findListByEnableOrderByOrderNum();
		List<StorageSourceResult> storageSourceResultList =
				storageSourceConvert.entityToResultList(storageList);
		return AjaxJson.getSuccessData(storageSourceResultList);
	}


	@ApiOperationSupport(order = 2)
	@ApiOperation(value = "获取文件列表", notes = "获取某个存储源下, 指定路径的文件&文件夹列表")
	@PostMapping("/files")
	public AjaxJson<FileInfoResult> list(@Valid @RequestBody FileListRequest fileListRequest) throws Exception {
		StorageSource storageSource = storageSourceService.findByStorageKey(fileListRequest.getStorageKey());
		Integer storageId = storageSource.getId();

		// 处理请求参数默认值
		fileListRequest.handleDefaultValue();

		// 获取文件列表
		AbstractBaseFileService<?> fileService = storageSourceContext.get(storageId);
		List<FileItemResult> fileItemList = fileService.fileList(fileListRequest.getPath());

		// 执行责任链
		FileContext fileContext = FileContext.builder()
				.storageId(storageId)
				.fileListRequest(fileListRequest)
				.fileItemList(fileItemList).build();
		fileChain.execute(fileContext);

		return AjaxJson.getSuccessData(new FileInfoResult(fileContext.getFileItemList(), fileContext.getPasswordPattern()));
	}


	@ApiOperationSupport(order = 3)
	@ApiOperation(value = "搜索文件", notes = "搜索指定存储源下的文件和文件夹")
	@PostMapping("/search")
	public AjaxJson<List<FileItemResult>> search(@Valid @RequestBody SearchStorageRequest searchStorageRequest) {
		AbstractBaseFileService<?> fileService = storageSourceContext.getByKey(searchStorageRequest.getStorageKey());
		List<FileItemResult> search = fileService.search(searchStorageRequest.getSearchVal());
		return AjaxJson.getSuccessData(search);
	}

}
\ No newline at end of file
+package im.zhaojun.zfile.home.controller;

import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import com.github.xiaoymin.knife4j.annotations.ApiSort;
import im.zhaojun.zfile.admin.model.entity.StorageSource;
import im.zhaojun.zfile.admin.service.StorageSourceService;
import im.zhaojun.zfile.common.context.StorageSourceContext;
import im.zhaojun.zfile.common.exception.InvalidStorageSourceException;
import im.zhaojun.zfile.common.util.AjaxJson;
import im.zhaojun.zfile.home.chain.FileChain;
import im.zhaojun.zfile.home.chain.FileContext;
import im.zhaojun.zfile.home.convert.StorageSourceConvert;
import im.zhaojun.zfile.home.model.request.FileListRequest;
import im.zhaojun.zfile.home.model.request.SearchStorageRequest;
import im.zhaojun.zfile.home.model.result.FileInfoResult;
import im.zhaojun.zfile.home.model.result.FileItemResult;
import im.zhaojun.zfile.home.model.result.StorageSourceResult;
import im.zhaojun.zfile.home.service.base.AbstractBaseFileService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import javax.validation.Valid;
import java.util.List;

/**
 * 文件列表相关接口, 如展示存储源列表, 展示文件列表, 搜索文件列表等.
 *
 * @author zhaojun
 */
@Api(tags = "文件列表模块")
@ApiSort(2)
@Slf4j
@RequestMapping("/api/storage")
@RestController
public class FileController {

	@Resource
	private StorageSourceContext storageSourceContext;

	@Resource
	private StorageSourceService storageSourceService;

	@Resource
	private FileChain fileChain;

	@Resource
	private StorageSourceConvert storageSourceConvert;


	@ApiOperationSupport(order = 1)
	@ApiOperation(value = "获取存储源列表", notes = "获取所有已启用的存储源, 并且按照后台顺序排序")
	@GetMapping("/list")
	public AjaxJson<List<StorageSourceResult>> storageList() {
		List<StorageSource> storageList = storageSourceService.findListByEnableOrderByOrderNum();
		List<StorageSourceResult> storageSourceResultList =
				storageSourceConvert.entityToResultList(storageList);
		return AjaxJson.getSuccessData(storageSourceResultList);
	}


	@ApiOperationSupport(order = 2)
	@ApiOperation(value = "获取文件列表", notes = "获取某个存储源下, 指定路径的文件&文件夹列表")
	@PostMapping("/files")
	public AjaxJson<FileInfoResult> list(@Valid @RequestBody FileListRequest fileListRequest) throws Exception {
		StorageSource storageSource = storageSourceService.findByStorageKey(fileListRequest.getStorageKey());
		if (storageSource == null) {
			throw new InvalidStorageSourceException("存储源不存在");
		}
		Integer storageId = storageSource.getId();

		// 处理请求参数默认值
		fileListRequest.handleDefaultValue();

		// 获取文件列表
		AbstractBaseFileService<?> fileService = storageSourceContext.get(storageId);
		List<FileItemResult> fileItemList = fileService.fileList(fileListRequest.getPath());

		// 执行责任链
		FileContext fileContext = FileContext.builder()
				.storageId(storageId)
				.fileListRequest(fileListRequest)
				.fileItemList(fileItemList).build();
		fileChain.execute(fileContext);

		return AjaxJson.getSuccessData(new FileInfoResult(fileContext.getFileItemList(), fileContext.getPasswordPattern()));
	}


	@ApiOperationSupport(order = 3)
	@ApiOperation(value = "搜索文件", notes = "搜索指定存储源下的文件和文件夹")
	@PostMapping("/search")
	public AjaxJson<List<FileItemResult>> search(@Valid @RequestBody SearchStorageRequest searchStorageRequest) {
		AbstractBaseFileService<?> fileService = storageSourceContext.getByKey(searchStorageRequest.getStorageKey());
		List<FileItemResult> search = fileService.search(searchStorageRequest.getSearchVal());
		return AjaxJson.getSuccessData(search);
	}

}
\ No newline at end of file
diff --git a/src/main/java/im/zhaojun/zfile/home/controller/SiteController.java b/src/main/java/im/zhaojun/zfile/home/controller/SiteController.java
index 88ccef9..4773a22 100644
--- a/src/main/java/im/zhaojun/zfile/home/controller/SiteController.java
+++ b/src/main/java/im/zhaojun/zfile/home/controller/SiteController.java
@@ -10,6 +10,7 @@ import im.zhaojun.zfile.admin.service.ReadmeConfigService;
 import im.zhaojun.zfile.admin.service.StorageSourceService;
 import im.zhaojun.zfile.admin.service.SystemConfigService;
 import im.zhaojun.zfile.common.config.ZFileProperties;
+import im.zhaojun.zfile.common.exception.InvalidStorageSourceException;
 import im.zhaojun.zfile.common.util.AjaxJson;
 import im.zhaojun.zfile.home.convert.StorageSourceConvert;
 import im.zhaojun.zfile.home.model.dto.SystemConfigDTO;
@@ -81,6 +82,10 @@ public class SiteController {
 		String path = fileListConfigRequest.getPath();
 
 		StorageSource storageSource = storageSourceService.findByStorageKey(storageKey);
+		if (storageSource == null) {
+			throw new InvalidStorageSourceException("存储源不存在");
+		}
+
 		StorageSourceConfigResult storageSourceConfigResult = storageSourceConvert.entityToConfigResult(storageSource);
 
 		// 获取是否允许文件操作
@@ -90,7 +95,7 @@ public class SiteController {
 		Integer storageId = storageSource.getId();
 
 		// 获取指定目录 readme 文件
-		ReadmeConfig readmeByPath = readmeConfigService.findReadmeByPath(storageId, path);
+		ReadmeConfig readmeByPath = readmeConfigService.findReadmeByPath(storageId, "");
 
 		if (ObjectUtil.isNotNull(readmeByPath)) {
 			String readmeText = readmeByPath.getReadmeText();