diff --git a/src/backend/oci/api-oci/src/main/kotlin/com/tencent/bkrepo/oci/pojo/node/NodeProperty.kt b/src/backend/oci/api-oci/src/main/kotlin/com/tencent/bkrepo/oci/pojo/node/NodeProperty.kt
index b9db729baf..1ab80a577d 100644
--- a/src/backend/oci/api-oci/src/main/kotlin/com/tencent/bkrepo/oci/pojo/node/NodeProperty.kt
+++ b/src/backend/oci/api-oci/src/main/kotlin/com/tencent/bkrepo/oci/pojo/node/NodeProperty.kt
@@ -30,5 +30,5 @@ package com.tencent.bkrepo.oci.pojo.node
 data class NodeProperty(
     var fullPath: String? = null,
     var md5: String? = null,
-    var size: Int? = null,
+    var size: Long? = null,
 )
diff --git a/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciBlobServiceImpl.kt b/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciBlobServiceImpl.kt
index 10d5f5d0f6..07d76fa503 100644
--- a/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciBlobServiceImpl.kt
+++ b/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciBlobServiceImpl.kt
@@ -147,7 +147,7 @@ class OciBlobServiceImpl(
             val nodeCreateRequest = ObjectBuildUtils.buildNodeCreateRequest(
                 projectId = projectId,
                 repoName = repoName,
-                size = nodeProperty.size!!.toLong(),
+                size = nodeProperty.size!!,
                 sha256 = ociDigest.hex,
                 fullPath = OciLocationUtils.buildDigestBlobsPath(packageName, ociDigest),
                 md5 = nodeProperty.md5!!
diff --git a/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciOperationServiceImpl.kt b/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciOperationServiceImpl.kt
index 407a223a62..b810b5a7a5 100644
--- a/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciOperationServiceImpl.kt
+++ b/src/backend/oci/biz-oci/src/main/kotlin/com/tencent/bkrepo/oci/service/impl/OciOperationServiceImpl.kt
@@ -940,7 +940,7 @@ class OciOperationServiceImpl(
         return NodeProperty(
             fullPath = result.records[0][NODE_FULL_PATH] as String,
             md5 = result.records[0][MD5] as String?,
-            size = result.records[0][OCI_NODE_SIZE] as Int?
+            size = result.records[0][OCI_NODE_SIZE].toString().toLong()
         )
     }