easyflow-api/easyflow-api-admin/src/main/java/tech/easyflow/admin/controller/ai/FaqItemController.java

@@ -47,7 +47,7 @@ import java.util.Set;
 @UsePermission(moduleName = "/api/v1/documentCollection")
 public class FaqItemController extends BaseCurdController<FaqItemService, FaqItem> {
 
-    private static final long MAX_IMAGE_SIZE_BYTES = 5L * 1024L * 1024L;
+    private static final long MAX_IMAGE_SIZE_BYTES = 20L * 1024L * 1024L;
     private static final Set<String> ALLOWED_IMAGE_TYPES = new HashSet<>(Arrays.asList(
             "image/jpeg",
             "image/png",
@@ -215,7 +215,7 @@ public class FaqItemController extends BaseCurdController<FaqItemService, FaqIte
             throw new BusinessException("图片不能为空");
         }
         if (file.getSize() > MAX_IMAGE_SIZE_BYTES) {
-            throw new BusinessException("图片大小不能超过5MB");
+            throw new BusinessException("图片大小不能超过20MB");
         }
         if (!isAllowedImageType(file)) {
             throw new BusinessException("仅支持 JPG/PNG/WEBP/GIF 图片");

easyflow-api/easyflow-api-admin/src/main/java/tech/easyflow/admin/controller/ai/ShareKnowledgeController.java

@@ -75,7 +75,7 @@ import java.util.Set;
 @RequestMapping("/api/v1/share/knowledge")
 public class ShareKnowledgeController {
 
-    private static final long MAX_IMAGE_SIZE_BYTES = 5L * 1024L * 1024L;
+    private static final long MAX_IMAGE_SIZE_BYTES = 20L * 1024L * 1024L;
     private static final Set<String> ALLOWED_IMAGE_TYPES = new HashSet<>(Arrays.asList(
         "image/jpeg",
         "image/png",
@@ -785,7 +785,7 @@ public class ShareKnowledgeController {
             throw new BusinessException("图片不能为空");
         }
         if (file.getSize() > MAX_IMAGE_SIZE_BYTES) {
-            throw new BusinessException("图片大小不能超过5MB");
+            throw new BusinessException("图片大小不能超过20MB");
         }
         if (!isAllowedImageType(file)) {
             throw new BusinessException("仅支持 JPG/PNG/WEBP/GIF 图片");

easyflow-modules/easyflow-module-ai/src/main/java/tech/easyflow/ai/easyagentsflow/service/WorkflowRunningParameterResolver.java

@@ -35,7 +35,7 @@ public class WorkflowRunningParameterResolver {
     private static final String DEFAULT_START_FORM_DESCRIPTION = "请先补充必要信息，再开始执行工作流。";
     private static final String DEFAULT_START_FORM_SUBMIT_TEXT = "开始";
     private static final int FILE_MAX_COUNT = 10;
-    private static final long FILE_MAX_SINGLE_SIZE = 5L * 1024 * 1024;
+    private static final long FILE_MAX_SINGLE_SIZE = 20L * 1024 * 1024;
     private static final long FILE_MAX_TOTAL_SIZE = 50L * 1024 * 1024;
 
     @Resource
@@ -363,7 +363,7 @@ public class WorkflowRunningParameterResolver {
             }
             Long size = parseLong(fileMap.get("size"));
             if (size != null && size > FILE_MAX_SINGLE_SIZE) {
-                throw new BusinessException("文件参数 " + parameterName + " 中单个文件不能超过 5MB");
+                throw new BusinessException("文件参数 " + parameterName + " 中单个文件不能超过 20MB");
             }
             if (size != null && size > 0) {
                 totalSize += size;

easyflow-modules/easyflow-module-ai/src/main/java/tech/easyflow/ai/node/DocNodeFileContentExtractor.java

@@ -34,7 +34,7 @@ import java.util.Set;
 @Component
 public class DocNodeFileContentExtractor {
     private static final int FILE_MAX_COUNT = 10;
-    private static final long FILE_MAX_SINGLE_SIZE = 5L * 1024 * 1024;
+    private static final long FILE_MAX_SINGLE_SIZE = 20L * 1024 * 1024;
     private static final long FILE_MAX_TOTAL_SIZE = 50L * 1024 * 1024;
 
     private final DocumentParseBridgeService documentParseBridgeService;
@@ -145,7 +145,7 @@ public class DocNodeFileContentExtractor {
             }
             Long size = sourceRef.getSize();
             if (size != null && size > FILE_MAX_SINGLE_SIZE) {
-                throw new BusinessException("单个文件不能超过 5MB: " + sourceRef.getFileName());
+                throw new BusinessException("单个文件不能超过 20MB: " + sourceRef.getFileName());
             }
             if (size != null && size > 0) {
                 totalSize += size;

easyflow-modules/easyflow-module-ai/src/test/java/tech/easyflow/ai/easyagentsflow/service/WorkflowRunningParameterResolverTest.java

@@ -8,6 +8,7 @@ import org.junit.Test;
 import tech.easyflow.ai.entity.Workflow;
 import tech.easyflow.ai.node.SearchDatasetNodeParser;
 import tech.easyflow.ai.node.WorkflowNodeParser;
+import tech.easyflow.common.web.exceptions.BusinessException;
 
 import java.lang.reflect.Field;
 import java.math.BigInteger;
@@ -178,6 +179,40 @@ public class WorkflowRunningParameterResolverTest {
         Assert.assertEquals(2, ((List<?>) attachments).size());
     }
 
+    /**
+     * 文件参数应允许 20MB 边界值，并拒绝超过边界的文件。
+     *
+     * @throws Exception 反射注入失败
+     */
+    @Test
+    public void testNormalizeRuntimeVariablesShouldEnforceTwentyMbSingleFileLimit() throws Exception {
+        WorkflowRunningParameterResolver resolver = newResolver();
+        Map<String, Object> variables = new LinkedHashMap<>();
+        variables.put("attachments", fileValue(
+                "accepted.pdf",
+                "/files/accepted.pdf",
+                20L * 1024L * 1024L
+        ));
+
+        Map<String, Object> normalized = resolver.normalizeRuntimeVariables(
+                workflowContentWithStartParameters(),
+                variables
+        );
+        Assert.assertEquals(1, ((List<?>) normalized.get("attachments")).size());
+
+        variables.put("attachments", fileValue(
+                "oversized.pdf",
+                "/files/oversized.pdf",
+                20L * 1024L * 1024L + 1L
+        ));
+        try {
+            resolver.normalizeRuntimeVariables(workflowContentWithStartParameters(), variables);
+            Assert.fail("expected BusinessException");
+        } catch (BusinessException exception) {
+            Assert.assertEquals("文件参数 attachments 中单个文件不能超过 20MB", exception.getMessage());
+        }
+    }
+
     private static WorkflowRunningParameterResolver newResolver() throws Exception {
         WorkflowRunningParameterResolver resolver = new WorkflowRunningParameterResolver();
         ChainParser parser = ChainParser.builder()

easyflow-modules/easyflow-module-ai/src/test/java/tech/easyflow/ai/node/DocNodeFileContentExtractorTest.java

@@ -263,6 +263,38 @@ public class DocNodeFileContentExtractorTest {
         }
     }
 
+    /**
+     * 验证文档节点允许 20MB 边界值，并拒绝超过边界的文件。
+     */
+    @Test
+    public void shouldEnforceTwentyMbSingleFileLimit() {
+        DocNodeFileContentExtractor extractor = new DocNodeFileContentExtractor(
+            new RecordingDocumentParseBridgeService(),
+            new FakeFileStorageService(),
+            new FakeReaderManager("plain text")
+        );
+        Map<String, Object> accepted = buildFileValue(
+            "accepted.pdf",
+            "/files/accepted.pdf",
+            "application/pdf"
+        );
+        accepted.put("size", 20L * 1024L * 1024L);
+        Assert.assertEquals(1, extractor.toDocumentSourceRefs(accepted).size());
+
+        Map<String, Object> oversized = buildFileValue(
+            "oversized.pdf",
+            "/files/oversized.pdf",
+            "application/pdf"
+        );
+        oversized.put("size", 20L * 1024L * 1024L + 1L);
+        try {
+            extractor.toDocumentSourceRefs(oversized);
+            Assert.fail("expected BusinessException");
+        } catch (BusinessException exception) {
+            Assert.assertEquals("单个文件不能超过 20MB: oversized.pdf", exception.getMessage());
+        }
+    }
+
     private Map<String, Object> buildFileValue(String fileName, String filePath, String contentType) {
         Map<String, Object> value = new HashMap<String, Object>();
         value.put("fileName", fileName);

easyflow-ui-admin/app/src/locales/langs/en-US/documentCollection.json

@@ -179,7 +179,7 @@
     "answerRequired": "Answer is required",
     "collectionRequired": "Collection id is required",
     "imageTypeInvalid": "Only JPG/PNG/WEBP/GIF images are supported",
-    "imageSizeExceeded": "Image size must be less than 5MB",
+    "imageSizeExceeded": "Image size must be less than 20MB",
     "imageUploadFailed": "Image upload failed",
     "import": {
       "title": "Import FAQ",

easyflow-ui-admin/app/src/locales/langs/zh-CN/documentCollection.json

@@ -179,7 +179,7 @@
     "answerRequired": "答案不能为空",
     "collectionRequired": "知识库ID不能为空",
     "imageTypeInvalid": "仅支持 JPG/PNG/WEBP/GIF 图片",
-    "imageSizeExceeded": "图片大小不能超过5MB",
+    "imageSizeExceeded": "图片大小不能超过20MB",
     "imageUploadFailed": "图片上传失败",
     "import": {
       "title": "导入FAQ",

easyflow-ui-admin/app/src/views/ai/documentCollection/FaqEditDialog.vue

@@ -45,7 +45,7 @@ const props = defineProps({
 });
 
 const emit = defineEmits(['submit', 'update:modelValue']);
-const MAX_IMAGE_SIZE = 5 * 1024 * 1024;
+const MAX_IMAGE_SIZE = 20 * 1024 * 1024;
 const ALLOWED_IMAGE_TYPES = new Set([
   'image/gif',
   'image/jpeg',

easyflow-ui-admin/app/src/views/ai/workflow/components/__tests__/workflowFileValue.test.ts

@@ -127,11 +127,21 @@ describe('workflowFileValue', () => {
   });
 
   it('上传前校验单文件大小限制', () => {
-    const oversizedFile = new File([new Uint8Array(6 * 1024 * 1024)], 'large.pdf');
+    const acceptedFile = new File(
+      [new Uint8Array(20 * 1024 * 1024)],
+      'accepted.pdf',
+    );
+    const oversizedFile = new File(
+      [new Uint8Array(20 * 1024 * 1024 + 1)],
+      'large.pdf',
+    );
 
     expect(() =>
-      validateWorkflowFileSelection([], [oversizedFile]),
+      validateWorkflowFileSelection([], [acceptedFile]),
-    ).toThrow('单个文件不能超过 5.0 MB');
+    ).not.toThrow();
+    expect(() => validateWorkflowFileSelection([], [oversizedFile])).toThrow(
+      '单个文件不能超过 20.0 MB',
+    );
   });
 
   it('上传前校验总大小限制', () => {

easyflow-ui-admin/app/src/views/ai/workflow/components/workflowFileValue.ts

@@ -21,7 +21,7 @@ export interface WorkflowResourceLike {
 
 export const WORKFLOW_FILE_LIMITS = {
   maxCount: 10,
-  maxSingleSize: 5 * 1024 * 1024,
+  maxSingleSize: 20 * 1024 * 1024,
   maxTotalSize: 50 * 1024 * 1024,
 } as const;
 

easyflow-ui-usercenter/app/src/views/ai/workflow/components/workflowFileValue.ts

@@ -21,7 +21,7 @@ export interface WorkflowResourceLike {
 
 export const WORKFLOW_FILE_LIMITS = {
   maxCount: 10,
-  maxSingleSize: 5 * 1024 * 1024,
+  maxSingleSize: 20 * 1024 * 1024,
   maxTotalSize: 50 * 1024 * 1024,
 } as const;