diff --git a/backend/api/model/crossdomain/plugin/openapi.go b/backend/api/model/crossdomain/plugin/openapi.go
index 7d251cd3c6..58326e8d85 100644
--- a/backend/api/model/crossdomain/plugin/openapi.go
+++ b/backend/api/model/crossdomain/plugin/openapi.go
@@ -228,12 +228,14 @@ func (op *Openapi3Operation) ToEinoSchemaParameterInfo(ctx context.Context) (map
 			Required: paramVal.Required,
 		}
 
-		if _, ok := result[paramVal.Name]; ok {
-			logs.CtxWarnf(ctx, "duplicate parameter name '%s'", paramVal.Name)
+		// Use location+name as unique key to allow same names in different locations
+		key := paramVal.In + "-" + paramVal.Name
+		if _, ok := result[key]; ok {
+			logs.CtxWarnf(ctx, "duplicate parameter in same location: %s@%s", paramVal.Name, paramVal.In)
 			continue
 		}
 
-		result[paramVal.Name] = paramInfo
+		result[key] = paramInfo
 	}
 
 	if op.RequestBody == nil || op.RequestBody.Value == nil || len(op.RequestBody.Value.Content) == 0 {
@@ -259,12 +261,14 @@ func (op *Openapi3Operation) ToEinoSchemaParameterInfo(ctx context.Context) (map
 				continue
 			}
 
-			if _, ok := result[paramName]; ok {
-				logs.CtxWarnf(ctx, "duplicate parameter name '%s'", paramName)
+			// Use location+name as unique key for body parameters
+			key := string(ParamInBody) + "-" + paramName
+			if _, ok := result[key]; ok {
+				logs.CtxWarnf(ctx, "duplicate parameter in same location: %s@%s", paramName, string(ParamInBody))
 				continue
 			}
 
-			result[paramName] = paramInfo
+			result[key] = paramInfo
 		}
 
 		break // Take only one MIME.
diff --git a/frontend/packages/agent-ide/bot-plugin/tools/src/components/plugin_modal/utils.ts b/frontend/packages/agent-ide/bot-plugin/tools/src/components/plugin_modal/utils.ts
index 8b7c599965..9899d5a9c2 100644
--- a/frontend/packages/agent-ide/bot-plugin/tools/src/components/plugin_modal/utils.ts
+++ b/frontend/packages/agent-ide/bot-plugin/tools/src/components/plugin_modal/utils.ts
@@ -366,7 +366,7 @@ export const handleIsShowDelete = (
   return isShowDelete(data, targetKey);
 };
 
-// Check if the same name exists
+// Check if the same name exists in the same location
 export const checkSameName = (
   data: Array<APIParameter>,
   targetKey: string,
@@ -374,8 +374,10 @@ export const checkSameName = (
 ): boolean | undefined => {
   for (const item of data) {
     if (item[ROWKEY] === targetKey) {
+      // Filter by both name and location to allow same names in different locations
       const items = data.filter(
-        (dataItem: APIParameter) => dataItem.name === val,
+        (dataItem: APIParameter) => 
+          dataItem.name === val && dataItem.location === item.location,
       );
       return items.length > 1;
     } else if (