diff --git a/src/main/knowledage/ocr/BaseOcrProvider.ts b/src/main/knowledge/ocr/BaseOcrProvider.ts
similarity index 100%
rename from src/main/knowledage/ocr/BaseOcrProvider.ts
rename to src/main/knowledge/ocr/BaseOcrProvider.ts
diff --git a/src/main/knowledage/ocr/DefaultOcrProvider.ts b/src/main/knowledge/ocr/DefaultOcrProvider.ts
similarity index 100%
rename from src/main/knowledage/ocr/DefaultOcrProvider.ts
rename to src/main/knowledge/ocr/DefaultOcrProvider.ts
diff --git a/src/main/knowledage/ocr/MacSysOcrProvider.ts b/src/main/knowledge/ocr/MacSysOcrProvider.ts
similarity index 100%
rename from src/main/knowledage/ocr/MacSysOcrProvider.ts
rename to src/main/knowledge/ocr/MacSysOcrProvider.ts
diff --git a/src/main/knowledage/ocr/OcrProvider.ts b/src/main/knowledge/ocr/OcrProvider.ts
similarity index 100%
rename from src/main/knowledage/ocr/OcrProvider.ts
rename to src/main/knowledge/ocr/OcrProvider.ts
diff --git a/src/main/knowledage/ocr/OcrProviderFactory.ts b/src/main/knowledge/ocr/OcrProviderFactory.ts
similarity index 100%
rename from src/main/knowledage/ocr/OcrProviderFactory.ts
rename to src/main/knowledge/ocr/OcrProviderFactory.ts
diff --git a/src/main/knowledage/preprocess/BasePreprocessProvider.ts b/src/main/knowledge/preprocess/BasePreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/BasePreprocessProvider.ts
rename to src/main/knowledge/preprocess/BasePreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/DefaultPreprocessProvider.ts b/src/main/knowledge/preprocess/DefaultPreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/DefaultPreprocessProvider.ts
rename to src/main/knowledge/preprocess/DefaultPreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/Doc2xPreprocessProvider.ts b/src/main/knowledge/preprocess/Doc2xPreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/Doc2xPreprocessProvider.ts
rename to src/main/knowledge/preprocess/Doc2xPreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/MineruPreprocessProvider.ts b/src/main/knowledge/preprocess/MineruPreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/MineruPreprocessProvider.ts
rename to src/main/knowledge/preprocess/MineruPreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/MistralPreprocessProvider.ts b/src/main/knowledge/preprocess/MistralPreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/MistralPreprocessProvider.ts
rename to src/main/knowledge/preprocess/MistralPreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/PreprocessProvider.ts b/src/main/knowledge/preprocess/PreprocessProvider.ts
similarity index 100%
rename from src/main/knowledage/preprocess/PreprocessProvider.ts
rename to src/main/knowledge/preprocess/PreprocessProvider.ts
diff --git a/src/main/knowledage/preprocess/PreprocessProviderFactory.ts b/src/main/knowledge/preprocess/PreprocessProviderFactory.ts
similarity index 100%
rename from src/main/knowledage/preprocess/PreprocessProviderFactory.ts
rename to src/main/knowledge/preprocess/PreprocessProviderFactory.ts
diff --git a/src/main/services/KnowledgeService.ts b/src/main/services/KnowledgeService.ts
index 6c783f4319..61d48a882a 100644
--- a/src/main/services/KnowledgeService.ts
+++ b/src/main/services/KnowledgeService.ts
@@ -22,11 +22,11 @@ import { LibSqlDb } from '@cherrystudio/embedjs-libsql'
 import { SitemapLoader } from '@cherrystudio/embedjs-loader-sitemap'
 import { WebLoader } from '@cherrystudio/embedjs-loader-web'
 import { loggerService } from '@logger'
-import OcrProvider from '@main/knowledage/ocr/OcrProvider'
-import PreprocessProvider from '@main/knowledage/preprocess/PreprocessProvider'
 import Embeddings from '@main/knowledge/embeddings/Embeddings'
 import { addFileLoader } from '@main/knowledge/loader'
 import { NoteLoader } from '@main/knowledge/loader/noteLoader'
+import OcrProvider from '@main/knowledge/ocr/OcrProvider'
+import PreprocessProvider from '@main/knowledge/preprocess/PreprocessProvider'
 import Reranker from '@main/knowledge/reranker/Reranker'
 import { windowService } from '@main/services/WindowService'
 import { getDataPath } from '@main/utils'