diff --git a/core/core-frontend/src/views/visualized/data/datasource/form/ApiHttpRequestDraw.vue b/core/core-frontend/src/views/visualized/data/datasource/form/ApiHttpRequestDraw.vue
index 15bc86f791..9ad1f9f9ca 100644
--- a/core/core-frontend/src/views/visualized/data/datasource/form/ApiHttpRequestDraw.vue
+++ b/core/core-frontend/src/views/visualized/data/datasource/form/ApiHttpRequestDraw.vue
@@ -127,7 +127,7 @@ const isNumber = (rule, value, callback) => {
     callback(new Error(t('datasource.please_input_query_timeout')))
     return
   }
-  if (value <= 0 || value > 300) {
+  if (value <= 0) {
     callback(new Error(t('datasource.please_input_query_timeout')))
     return
   }