diff --git a/src/pages/playground/components/ground-embedding.tsx b/src/pages/playground/components/ground-embedding.tsx
index 9ecce67c..e4603e50 100644
--- a/src/pages/playground/components/ground-embedding.tsx
+++ b/src/pages/playground/components/ground-embedding.tsx
@@ -352,7 +352,7 @@ const GroundEmbedding: React.FC<MessageProps> = forwardRef((props, ref) => {
           <SealInputNumber
             disabled
             label="Max Tokens"
-            value={_.divide(modelMeta?.n_ctx, modelMeta?.n_slot)}
+            value={_.floor(_.divide(modelMeta?.n_ctx, modelMeta?.n_slot))}
           ></SealInputNumber>
         </Form.Item>
       );
diff --git a/src/pages/playground/components/ground-reranker.tsx b/src/pages/playground/components/ground-reranker.tsx
index dc6ebb25..d3e637ca 100644
--- a/src/pages/playground/components/ground-reranker.tsx
+++ b/src/pages/playground/components/ground-reranker.tsx
@@ -416,7 +416,7 @@ const GroundReranker: React.FC<MessageProps> = forwardRef((props, ref) => {
           <SealInputNumber
             disabled
             label="Max Tokens"
-            value={_.divide(modelMeta?.n_ctx, modelMeta?.n_slot)}
+            value={_.floor(_.divide(modelMeta?.n_ctx, modelMeta?.n_slot))}
           ></SealInputNumber>
         </Form.Item>
       );
diff --git a/src/pages/playground/hooks/use-init-meta.ts b/src/pages/playground/hooks/use-init-meta.ts
index b1d07cfc..2b33abb7 100644
--- a/src/pages/playground/hooks/use-init-meta.ts
+++ b/src/pages/playground/hooks/use-init-meta.ts
@@ -77,7 +77,7 @@ export const useInitLLmMeta = (
     let max_tokens: number = 0;
 
     if (n_ctx && n_slot) {
-      max_tokens = _.divide(n_ctx, n_slot);
+      max_tokens = _.floor(_.divide(n_ctx, n_slot));
     } else if (max_model_len) {
       max_tokens = max_model_len;
     } else if (max_total_tokens) {
@@ -86,7 +86,7 @@ export const useInitLLmMeta = (
 
     return {
       max_tokens: max_tokens || 16 * 1024,
-      defaultFormValue: max_tokens ? _.divide(max_tokens, 2) : 1024
+      defaultFormValue: max_tokens ? _.floor(_.divide(max_tokens, 2)) : 1024
     };
   };