diff --git a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
index 59b0ffc1..d7e89725 100644
--- a/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
+++ b/doc/doc-api/src/main/java/cn/axzo/nanopart/doc/api/filedb/response/FileDatabaseInfoResponse.java
@@ -1,9 +1,11 @@
 
 package cn.axzo.nanopart.doc.api.filedb.response;
 
-import cn.axzo.nanopart.doc.api.enums.DatabaseType;
+import java.math.BigDecimal;
+
 import com.alibaba.fastjson.JSON;
 
+import cn.axzo.nanopart.doc.api.enums.DatabaseType;
 import cn.axzo.nanopart.doc.api.enums.FileDatabaseState;
 import cn.axzo.nanopart.doc.api.templatedb.domain.TemplateDatabaseInfo;
 import lombok.Getter;
@@ -79,7 +81,7 @@ public class FileDatabaseInfoResponse {
 	/**
 	 * 已使用的容量, 单位GB
 	 */
-	private Integer usedCapacity;
+	private BigDecimal usedCapacity;
 
 	/**
 	 * 资料库信息
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
index 32261f47..f9c365f6 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/dao/FileDatabaseDao.java
@@ -1,6 +1,7 @@
 
 package cn.axzo.nanopart.doc.dao;
 
+import java.math.BigDecimal;
 import java.util.Date;
 
 import org.springframework.stereotype.Repository;
@@ -62,10 +63,11 @@ public class FileDatabaseDao extends ServiceImpl<FileDatabaseMapper, FileDatabas
 				.remove();
 	}
 
-	public void updateUsedCapacity(String code, int usedFileSize) {
+	public void updateUsedCapacity(String code, int usedFileSizeKb, BigDecimal usedFileSizeGb) {
 		lambdaUpdate() //
 				.eq(FileDatabase::getCode, code) //
-				.set(FileDatabase::getUsedCapacity, usedFileSize) //
+				.set(FileDatabase::getUsedCapacity, usedFileSizeGb) //
+				.set(FileDatabase::getUsedCapacityKb, usedFileSizeKb) //
 				.update();
 	}
 
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
index e67140a3..9de5abd8 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/FileDatabase.java
@@ -1,6 +1,7 @@
 
 package cn.axzo.nanopart.doc.entity;
 
+import java.math.BigDecimal;
 import java.util.Date;
 
 import com.alibaba.fastjson.JSON;
@@ -76,7 +77,12 @@ public class FileDatabase extends BaseEntity<FileDatabase> implements IndexNodeS
 	/**
 	 * 已使用的容量, 单位GB
 	 */
-	private Integer usedCapacity;
+	private BigDecimal usedCapacity;
+
+	/**
+	 * 已使用的容量, 单位kb
+	 */
+	private Integer usedCapacityKb;
 
 	public boolean isActivated() {
 		return state == FileDatabaseState.ACTIVATED;
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
index 0d473d6f..dd6f2f8b 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
@@ -3,6 +3,8 @@ package cn.axzo.nanopart.doc.file.filedb;
 
 import static java.util.stream.Collectors.toList;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.HashMap;
@@ -108,7 +110,7 @@ public class FileDatabaseService {
 		if (request.getExpiredDateMs() != null)
 			db.setExpireDate(new Date(request.getExpiredDateMs()));
 		db.setAllowedCapacity(request.getAllowedCapacity());
-		db.setUsedCapacity(0);
+		db.setUsedCapacity(BigDecimal.ZERO);
 		db.setCreateAt(new Date());
 		db.setUpdateAt(new Date());
 		fileDatabaseDao.save(db);
@@ -173,9 +175,11 @@ public class FileDatabaseService {
 		FileDatabase db = fileDatabaseDao.findForUpdateOrNull(indexNode.scopeCode());
 		if (db == null)
 			return;
-		int usedFileSize = indexQueryService.getUsedFileSize(db);
-		fileDatabaseDao.updateUsedCapacity(db.getCode(), usedFileSize);
-		if (db.isActivated() && db.getAllowedCapacity() <= usedFileSize)
+		int usedFileSizeKb = indexQueryService.getUsedFileSize(db);
+		BigDecimal usedFileSizeGb = BigDecimal.valueOf(usedFileSizeKb) //
+				.divide(BigDecimal.valueOf(1024 * 1024), 2, RoundingMode.HALF_UP);
+		fileDatabaseDao.updateUsedCapacity(db.getCode(), usedFileSizeKb, usedFileSizeGb);
+		if (db.isActivated() && isCapacityExhausted(db.getAllowedCapacity(), usedFileSizeGb))
 			fileDatabaseDao.updateState(db.getCode(), FileDatabaseState.CAPACITY_EXHAUSTED);
 	}
 
@@ -185,12 +189,16 @@ public class FileDatabaseService {
 		FileDatabase db = fileDatabaseDao.getForUpdateOrThrow(request.getCode());
 		updateCapacity(request) //
 				.set(FileDatabase::getState, //
-					request.getAllowedCapacity() <= db.getUsedCapacity() //
+					isCapacityExhausted(request.getAllowedCapacity(), db.getUsedCapacity()) //
 							? FileDatabaseState.CAPACITY_EXHAUSTED //
 							: FileDatabaseState.ACTIVATED) //
 				.update();
 	}
 
+	private boolean isCapacityExhausted(Integer allowedCapacity, BigDecimal usedCapacity) {
+		return BigDecimal.valueOf(allowedCapacity).compareTo(usedCapacity) <= 0;
+	}
+
 	@BizTransactional
 	public void expandCapacity(FileDatabaseExpandCapacityRequest request) {
 		docLogDao.logRequest("expandCapacity", request.getCode(), request);