diff --git a/sql/dm/数据总线API凭证绑定与访问日志补充_20251209.sql b/sql/dm/数据总线API凭证绑定与访问日志补充_20251209.sql
index ab9dcc19..c9dc74f1 100644
--- a/sql/dm/数据总线API凭证绑定与访问日志补充_20251209.sql
+++ b/sql/dm/数据总线API凭证绑定与访问日志补充_20251209.sql
@@ -19,7 +19,8 @@ CREATE TABLE databus_api_definition_credential (
     deleted BIT DEFAULT '0' NOT NULL
 );
 
-CREATE UNIQUE INDEX uk_databus_api_definition_credential ON databus_api_definition_credential (api_id, credential_id, deleted);
+-- 去掉错误的唯一索引逻辑
+-- CREATE UNIQUE INDEX uk_databus_api_definition_credential ON databus_api_definition_credential (api_id, credential_id, deleted);
 CREATE INDEX idx_databus_api_definition_credential_api ON databus_api_definition_credential (api_id);
 CREATE INDEX idx_databus_api_definition_credential_cred ON databus_api_definition_credential (credential_id);