diff --git a/api/app-node/retriever/v1alpha1/knowledgebaseretriever_types.go b/api/app-node/retriever/v1alpha1/knowledgebaseretriever_types.go
index 859608c87..81d6d9c33 100644
--- a/api/app-node/retriever/v1alpha1/knowledgebaseretriever_types.go
+++ b/api/app-node/retriever/v1alpha1/knowledgebaseretriever_types.go
@@ -43,7 +43,7 @@ type CommonRetrieverConfig struct {
 	// ScoreThreshold is the cosine distance float score threshold. Lower score represents more similarity.
 	// +kubebuilder:validation:Minimum=0
 	// +kubebuilder:validation:Maximum=1
-	// +kubebuilder:default=0.7
+	// +kubebuilder:default=0.3
 	ScoreThreshold float32 `json:"scoreThreshold,omitempty"`
 	// NumDocuments is the max number of documents to return.
 	// +kubebuilder:default=5
diff --git a/config/crd/bases/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml b/config/crd/bases/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
index efc55ab79..e2b10b73f 100644
--- a/config/crd/bases/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
+++ b/config/crd/bases/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
@@ -94,7 +94,7 @@ spec:
                     type: string
                 type: object
               scoreThreshold:
-                default: 0.7
+                default: 0.3
                 description: ScoreThreshold is the cosine distance float score threshold.
                   Lower score represents more similarity.
                 maximum: 1
diff --git a/deploy/charts/arcadia/Chart.lock b/deploy/charts/arcadia/Chart.lock
index 1e043bbee..547c00fed 100644
--- a/deploy/charts/arcadia/Chart.lock
+++ b/deploy/charts/arcadia/Chart.lock
@@ -11,5 +11,5 @@ dependencies:
 - name: chromadb
   repository: ""
   version: 0.1.19
-digest: sha256:3290cfc76517017aa614ea50a56c20d890d6d01a05d5dda687961d1638a8ac3d
-generated: "2023-12-19T08:14:19.740542276Z"
+digest: sha256:e1baef276a6d9d9462cca0f5936c9be9017ac640efe82c13518b235c8f52d964
+generated: "2023-12-20T17:42:06.964973+08:00"
diff --git a/deploy/charts/arcadia/Chart.yaml b/deploy/charts/arcadia/Chart.yaml
index a5e0ce2ed..e0c7c9be8 100644
--- a/deploy/charts/arcadia/Chart.yaml
+++ b/deploy/charts/arcadia/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: arcadia
 description: A Helm chart(KubeBB Component) for KubeAGI Arcadia
 type: application
-version: 0.1.47
+version: 0.1.48
 appVersion: "0.0.1"
 
 keywords:
diff --git a/deploy/charts/arcadia/crds/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml b/deploy/charts/arcadia/crds/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
index efc55ab79..e2b10b73f 100644
--- a/deploy/charts/arcadia/crds/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
+++ b/deploy/charts/arcadia/crds/retriever.arcadia.kubeagi.k8s.com.cn_knowledgebaseretrievers.yaml
@@ -94,7 +94,7 @@ spec:
                     type: string
                 type: object
               scoreThreshold:
-                default: 0.7
+                default: 0.3
                 description: ScoreThreshold is the cosine distance float score threshold.
                   Lower score represents more similarity.
                 maximum: 1