diff --git a/packages/global/core/workflow/utils.ts b/packages/global/core/workflow/utils.ts
index a775582c402..de1e19aeb82 100644
--- a/packages/global/core/workflow/utils.ts
+++ b/packages/global/core/workflow/utils.ts
@@ -392,7 +392,13 @@ export function replaceEditorVariable({
         }
       ];
     }
-    return [];
+    return [
+      {
+        id: item.key,
+        value: item.value,
+        nodeId: runningNode.nodeId
+      }
+    ];
   });
 
   const allVariables = [...globalVariables, ...nodeVariables, ...customInputs];
diff --git a/projects/app/src/components/core/app/VariableEdit.tsx b/projects/app/src/components/core/app/VariableEdit.tsx
index 6026e7cf7f9..6f294ccb673 100644
--- a/projects/app/src/components/core/app/VariableEdit.tsx
+++ b/projects/app/src/components/core/app/VariableEdit.tsx
@@ -289,6 +289,7 @@ const VariableEdit = ({
                       }}
                       onClick={() => {
                         setValue('type', item.value);
+                        setValue('defaultValue', undefined);
                       }}
                     >
                       <MyIcon
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
index 0444edc703d..eb8cc9d453e 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx
@@ -149,7 +149,6 @@ const VariableInput = ({
   }, [variableList]);
 
   useDeepCompareEffect(() => {
-    console.log('defaultValues', defaultValues);
     reset(defaultValues);
   }, [defaultValues]);
 
diff --git a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/hooks/useDebug.tsx b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/hooks/useDebug.tsx
index 9b8cd0be46b..53fc994cc8e 100644
--- a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/hooks/useDebug.tsx
+++ b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/hooks/useDebug.tsx
@@ -1,7 +1,7 @@
 import { storeNodes2RuntimeNodes } from '@fastgpt/global/core/workflow/runtime/utils';
 import { StoreNodeItemType } from '@fastgpt/global/core/workflow/type/node';
 import { RuntimeEdgeItemType, StoreEdgeItemType } from '@fastgpt/global/core/workflow/type/edge';
-import { useCallback, useState, useMemo } from 'react';
+import { useCallback, useState, useMemo, useEffect } from 'react';
 import { checkWorkflowNodeAndConnection } from '@/web/core/workflow/utils';
 import { useTranslation } from 'next-i18next';
 import { useToast } from '@fastgpt/web/hooks/useToast';
@@ -61,6 +61,16 @@ export const useDebug = () => {
     return variables?.filter((item) => item.type !== VariableInputEnum.custom) || [];
   }, [appDetail.chatConfig.variables]);
 
+  const [defaultGlobalVariables, setDefaultGlobalVariables] = useState<Record<string, any>>(
+    filteredVar.reduce(
+      (acc, item) => {
+        acc[item.key] = item.defaultValue;
+        return acc;
+      },
+      {} as Record<string, any>
+    )
+  );
+
   const [runtimeNodeId, setRuntimeNodeId] = useState<string>();
   const [runtimeNodes, setRuntimeNodes] = useState<RuntimeNodeItemType[]>();
   const [runtimeEdges, setRuntimeEdges] = useState<RuntimeEdgeItemType[]>();
@@ -126,6 +136,19 @@ export const useDebug = () => {
   const DebugInputModal = useCallback(() => {
     if (!runtimeNodes || !runtimeEdges) return <></>;
 
+    const [currentTab, setCurrentTab] = useState<TabEnum>(TabEnum.node);
+
+    // Check if the required global variables exist, if missing, switch to the global variable tab
+    useEffect(() => {
+      if (
+        filteredVar.some(
+          (item) => item.required && defaultGlobalVariables && !defaultGlobalVariables[item.key]
+        )
+      ) {
+        setCurrentTab(TabEnum.global);
+      }
+    }, []);
+
     const runtimeNode = runtimeNodes.find((node) => node.nodeId === runtimeNodeId);
 
     if (!runtimeNode) return <></>;
@@ -136,18 +159,21 @@ export const useDebug = () => {
     });
 
     const variablesForm = useForm<Record<string, any>>({
-      defaultValues: renderInputs.reduce((acc: Record<string, any>, input) => {
-        const isReference = checkInputIsReference(input);
-        if (isReference) {
-          acc[input.key] = undefined;
-        } else if (typeof input.value === 'object') {
-          acc[input.key] = JSON.stringify(input.value, null, 2);
-        } else {
-          acc[input.key] = input.value;
-        }
+      defaultValues: {
+        ...renderInputs.reduce((acc: Record<string, any>, input) => {
+          const isReference = checkInputIsReference(input);
+          if (isReference) {
+            acc[input.key] = undefined;
+          } else if (typeof input.value === 'object') {
+            acc[input.key] = JSON.stringify(input.value, null, 2);
+          } else {
+            acc[input.key] = input.value;
+          }
 
-        return acc;
-      }, {})
+          return acc;
+        }, {}),
+        ...defaultGlobalVariables
+      }
     });
     const { register, getValues, setValue, handleSubmit } = variablesForm;
 
@@ -158,7 +184,6 @@ export const useDebug = () => {
     };
 
     const onClickRun = (data: Record<string, any>) => {
-      console.log('data', data);
       onStartNodeDebug({
         entryNodeId: runtimeNode.nodeId,
         runtimeNodes: runtimeNodes.map((node) =>
@@ -196,11 +221,17 @@ export const useDebug = () => {
           Object.entries(data).filter(([key]) => filteredVar.some((item) => item.key === key))
         )
       });
+
+      // Filter global variables and set them as default global variable values
+      setDefaultGlobalVariables(
+        Object.fromEntries(
+          Object.entries(data).filter(([key]) => filteredVar.some((item) => item.key === key))
+        )
+      );
+
       onClose();
     };
 
-    const [currentTab, setCurrentTab] = useState<TabEnum>(TabEnum.node);
-
     return (
       <MyRightDrawer
         onClose={onClose}
@@ -313,7 +344,15 @@ export const useDebug = () => {
         </Flex>
       </MyRightDrawer>
     );
-  }, [filteredVar, onStartNodeDebug, runtimeEdges, runtimeNodeId, runtimeNodes, t]);
+  }, [
+    defaultGlobalVariables,
+    filteredVar,
+    onStartNodeDebug,
+    runtimeEdges,
+    runtimeNodeId,
+    runtimeNodes,
+    t
+  ]);
 
   return {
     DebugInputModal,
diff --git a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodeComment.tsx b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodeComment.tsx
index fd623c2c08e..1604ce8db84 100644
--- a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodeComment.tsx
+++ b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodeComment.tsx
@@ -80,12 +80,13 @@ const NodeComment = ({ data }: NodeProps<FlowNodeItemType>) => {
         menuForbid={{
           debug: true
         }}
-        border={'none'}
-        rounded={'none'}
-        bg={'#D8E9FF'}
-        boxShadow={
-          '0px 4px 10px 0px rgba(19, 51, 107, 0.10), 0px 0px 1px 0px rgba(19, 51, 107, 0.10)'
-        }
+        customStyle={{
+          border: 'none',
+          rounded: 'none',
+          bg: '#D8E9FF',
+          boxShadow:
+            '0px 4px 10px 0px rgba(19, 51, 107, 0.10), 0px 0px 1px 0px rgba(19, 51, 107, 0.10)'
+        }}
       >
         <Box w={'full'} h={'full'} position={'relative'}>
           <Box
diff --git a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodePluginIO/InputTypeConfig.tsx b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodePluginIO/InputTypeConfig.tsx
index c10d129b0cc..ab2bd174c50 100644
--- a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodePluginIO/InputTypeConfig.tsx
+++ b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/NodePluginIO/InputTypeConfig.tsx
@@ -296,7 +296,6 @@ const InputTypeConfig = ({
               <NumberInput flex={1} step={1} min={min} max={max} position={'relative'}>
                 <NumberInputField
                   {...register('defaultValue', {
-                    required: true,
                     min: min,
                     max: max,
                     valueAsNumber: true
@@ -328,10 +327,12 @@ const InputTypeConfig = ({
             {inputType === FlowNodeInputTypeEnum.switch && <Switch {...register('defaultValue')} />}
             {inputType === FlowNodeInputTypeEnum.select && (
               <MySelect<string>
-                list={[defaultListValue, ...listValue].map((item) => ({
-                  label: item.label,
-                  value: item.value
-                }))}
+                list={[defaultListValue, ...listValue]
+                  .filter((item) => item.label !== '')
+                  .map((item) => ({
+                    label: item.label,
+                    value: item.value
+                  }))}
                 value={
                   defaultValue && listValue.map((item) => item.value).includes(defaultValue)
                     ? defaultValue
diff --git a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/render/NodeCard.tsx b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/render/NodeCard.tsx
index 5cda53bc3d6..16ba8424710 100644
--- a/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/render/NodeCard.tsx
+++ b/projects/app/src/pages/app/detail/components/WorkflowComponents/Flow/nodes/render/NodeCard.tsx
@@ -41,7 +41,8 @@ type Props = FlowNodeItemType & {
     copy?: boolean;
     delete?: boolean;
   };
-} & Omit<FlexProps, 'children'>;
+  customStyle?: FlexProps;
+};
 
 const NodeCard = (props: Props) => {
   const { t } = useTranslation();
@@ -65,7 +66,7 @@ const NodeCard = (props: Props) => {
     isError = false,
     debugResult,
     isFolded,
-    ...customStyle
+    customStyle
   } = props;
   const nodeList = useContextSelector(WorkflowContext, (v) => v.nodeList);
   const setHoverNodeId = useContextSelector(WorkflowContext, (v) => v.setHoverNodeId);