diff --git a/packages/components/nodes/embeddings/AWSBedrockEmbedding/AWSBedrockEmbedding.ts b/packages/components/nodes/embeddings/AWSBedrockEmbedding/AWSBedrockEmbedding.ts
index 0ac26d85..ba2aa5e7 100644
--- a/packages/components/nodes/embeddings/AWSBedrockEmbedding/AWSBedrockEmbedding.ts
+++ b/packages/components/nodes/embeddings/AWSBedrockEmbedding/AWSBedrockEmbedding.ts
@@ -79,7 +79,10 @@ class AWSBedrockEmbedding_Embeddings implements INode {
                 label: 'Model Name',
                 name: 'model',
                 type: 'options',
-                options: [{ label: 'amazon.titan-embed-text-v1', name: 'amazon.titan-embed-text-v1' }],
+                options: [
+                    { label: 'amazon.titan-embed-text-v1', name: 'amazon.titan-embed-text-v1' },
+                    { label: 'amazon.titan-embed-g1-text-02', name: 'amazon.titan-embed-g1-text-02' }
+                ],
                 default: 'amazon.titan-embed-text-v1'
             }
         ]
diff --git a/packages/components/nodes/vectorstores/Qdrant_Existing/Qdrant_Existing.ts b/packages/components/nodes/vectorstores/Qdrant_Existing/Qdrant_Existing.ts
index 58ef6df5..c16e8f54 100644
--- a/packages/components/nodes/vectorstores/Qdrant_Existing/Qdrant_Existing.ts
+++ b/packages/components/nodes/vectorstores/Qdrant_Existing/Qdrant_Existing.ts
@@ -23,7 +23,7 @@ class Qdrant_Existing_VectorStores implements INode {
     constructor() {
         this.label = 'Qdrant Load Existing Index'
         this.name = 'qdrantExistingIndex'
-        this.version = 1.0
+        this.version = 2.0
         this.type = 'Qdrant'
         this.icon = 'qdrant.png'
         this.category = 'Vector Stores'
@@ -55,8 +55,39 @@ class Qdrant_Existing_VectorStores implements INode {
                 type: 'string'
             },
             {
-                label: 'Qdrant Collection Cofiguration',
+                label: 'Vector Dimension',
+                name: 'qdrantVectorDimension',
+                type: 'number',
+                default: 1536,
+                additionalParams: true
+            },
+            {
+                label: 'Similarity',
+                name: 'qdrantSimilarity',
+                description: 'Similarity measure used in Qdrant.',
+                type: 'options',
+                default: 'Cosine',
+                options: [
+                    {
+                        label: 'Cosine',
+                        name: 'Cosine'
+                    },
+                    {
+                        label: 'Euclid',
+                        name: 'Euclid'
+                    },
+                    {
+                        label: 'Dot',
+                        name: 'Dot'
+                    }
+                ],
+                additionalParams: true
+            },
+            {
+                label: 'Additional Collection Cofiguration',
                 name: 'qdrantCollectionConfiguration',
+                description:
+                    'Refer to <a target="_blank" href="https://qdrant.tech/documentation/concepts/collections">collection docs</a> for more reference',
                 type: 'json',
                 optional: true,
                 additionalParams: true
@@ -98,6 +129,8 @@ class Qdrant_Existing_VectorStores implements INode {
         const collectionName = nodeData.inputs?.qdrantCollection as string
         let qdrantCollectionConfiguration = nodeData.inputs?.qdrantCollectionConfiguration
         const embeddings = nodeData.inputs?.embeddings as Embeddings
+        const qdrantSimilarity = nodeData.inputs?.qdrantSimilarity
+        const qdrantVectorDimension = nodeData.inputs?.qdrantVectorDimension
         const output = nodeData.outputs?.output as string
         const topK = nodeData.inputs?.topK as string
         let queryFilter = nodeData.inputs?.queryFilter
@@ -126,7 +159,14 @@ class Qdrant_Existing_VectorStores implements INode {
                 typeof qdrantCollectionConfiguration === 'object'
                     ? qdrantCollectionConfiguration
                     : JSON.parse(qdrantCollectionConfiguration)
-            dbConfig.collectionConfig = qdrantCollectionConfiguration
+            dbConfig.collectionConfig = {
+                ...qdrantCollectionConfiguration,
+                vectors: {
+                    ...qdrantCollectionConfiguration.vectors,
+                    size: qdrantVectorDimension ? parseInt(qdrantVectorDimension, 10) : 1536,
+                    distance: qdrantSimilarity ?? 'Cosine'
+                }
+            }
         }
 
         if (queryFilter) {
diff --git a/packages/components/nodes/vectorstores/Qdrant_Upsert/Qdrant_Upsert.ts b/packages/components/nodes/vectorstores/Qdrant_Upsert/Qdrant_Upsert.ts
index 6f3773ff..407a8d22 100644
--- a/packages/components/nodes/vectorstores/Qdrant_Upsert/Qdrant_Upsert.ts
+++ b/packages/components/nodes/vectorstores/Qdrant_Upsert/Qdrant_Upsert.ts
@@ -25,7 +25,7 @@ class QdrantUpsert_VectorStores implements INode {
     constructor() {
         this.label = 'Qdrant Upsert Document'
         this.name = 'qdrantUpsert'
-        this.version = 1.0
+        this.version = 2.0
         this.type = 'Qdrant'
         this.icon = 'qdrant.png'
         this.category = 'Vector Stores'
@@ -62,6 +62,35 @@ class QdrantUpsert_VectorStores implements INode {
                 name: 'qdrantCollection',
                 type: 'string'
             },
+            {
+                label: 'Vector Dimension',
+                name: 'qdrantVectorDimension',
+                type: 'number',
+                default: 1536,
+                additionalParams: true
+            },
+            {
+                label: 'Similarity',
+                name: 'qdrantSimilarity',
+                description: 'Similarity measure used in Qdrant.',
+                type: 'options',
+                default: 'Cosine',
+                options: [
+                    {
+                        label: 'Cosine',
+                        name: 'Cosine'
+                    },
+                    {
+                        label: 'Euclid',
+                        name: 'Euclid'
+                    },
+                    {
+                        label: 'Dot',
+                        name: 'Dot'
+                    }
+                ],
+                additionalParams: true
+            },
             {
                 label: 'Top K',
                 name: 'topK',
@@ -99,6 +128,9 @@ class QdrantUpsert_VectorStores implements INode {
         const collectionName = nodeData.inputs?.qdrantCollection as string
         const docs = nodeData.inputs?.document as Document[]
         const embeddings = nodeData.inputs?.embeddings as Embeddings
+        const qdrantSimilarity = nodeData.inputs?.qdrantSimilarity
+        const qdrantVectorDimension = nodeData.inputs?.qdrantVectorDimension
+
         const output = nodeData.outputs?.output as string
         const topK = nodeData.inputs?.topK as string
         const k = topK ? parseFloat(topK) : 4
@@ -121,7 +153,13 @@ class QdrantUpsert_VectorStores implements INode {
         const dbConfig: QdrantLibArgs = {
             client,
             url: qdrantServerUrl,
-            collectionName
+            collectionName,
+            collectionConfig: {
+                vectors: {
+                    size: qdrantVectorDimension ? parseInt(qdrantVectorDimension, 10) : 1536,
+                    distance: qdrantSimilarity ?? 'Cosine'
+                }
+            }
         }
 
         const retrieverConfig: RetrieverConfig = {
diff --git a/packages/server/src/index.ts b/packages/server/src/index.ts
index c4594efa..98ed89d1 100644
--- a/packages/server/src/index.ts
+++ b/packages/server/src/index.ts
@@ -812,18 +812,21 @@ export class App {
      * @param {Response} res
      * @param {ChatFlow} chatflow
      */
-    async validateKey(req: Request, res: Response, chatflow: ChatFlow) {
+    async validateKey(req: Request, chatflow: ChatFlow) {
         const chatFlowApiKeyId = chatflow.apikeyid
-        const authorizationHeader = (req.headers['Authorization'] as string) ?? (req.headers['authorization'] as string) ?? ''
+        if (!chatFlowApiKeyId) return true
 
-        if (chatFlowApiKeyId && !authorizationHeader) return res.status(401).send(`Unauthorized`)
+        const authorizationHeader = (req.headers['Authorization'] as string) ?? (req.headers['authorization'] as string) ?? ''
+        if (chatFlowApiKeyId && !authorizationHeader) return false
 
         const suppliedKey = authorizationHeader.split(`Bearer `).pop()
-        if (chatFlowApiKeyId && suppliedKey) {
+        if (suppliedKey) {
             const keys = await getAPIKeys()
             const apiSecret = keys.find((key) => key.id === chatFlowApiKeyId)?.apiSecret
-            if (!compareKeys(apiSecret, suppliedKey)) return res.status(401).send(`Unauthorized`)
+            if (!compareKeys(apiSecret, suppliedKey)) return false
+            return true
         }
+        return false
     }
 
     /**
@@ -896,7 +899,8 @@ export class App {
             const userMessageDateTime = new Date()
 
             if (!isInternal) {
-                await this.validateKey(req, res, chatflow)
+                const isKeyValidated = await this.validateKey(req, chatflow)
+                if (!isKeyValidated) return res.status(401).send('Unauthorized')
             }
 
             let isStreamValid = false