diff --git a/api/desc/core/pcm-core.api b/api/desc/core/pcm-core.api
index 459b153b..07987124 100644
--- a/api/desc/core/pcm-core.api
+++ b/api/desc/core/pcm-core.api
@@ -728,7 +728,7 @@ type ClusterRelationInfo {
     COwnerId string `json:"cOwnerId,omitempty" db:"owner_id"`
     CAuthType string `json:"cAuthType,omitempty" db:"auth_type"`
     CRegionDict string `json:"cRegionDict,omitempty" db:"-"`
-    CProducerDict string `json:"CProducerDict,omitempty" db:"-"`
+    CProducerDict string `json:"cProducerDict,omitempty" db:"-"`
     CCreateTime string `json:"cCreateTime,omitempty" db:"created_time" gorm:"autoCreateTime"`
 }