fix: move hardcoded text to language settings (#16990) (#17133)

api/core/tools/utils/dataset_retriever/dataset_retriever_tool.py

@@ -6,6 +6,7 @@ from core.rag.datasource.retrieval_service import RetrievalService
 from core.rag.entities.context_entities import DocumentContext
 from core.rag.models.document import Document as RetrievalDocument
 from core.rag.retrieval.retrieval_methods import RetrievalMethod
+from core.tools.entities.common_entities import I18nObject
 from core.tools.utils.dataset_retriever.dataset_retriever_base_tool import DatasetRetrieverBaseTool
 from extensions.ext_database import db
 from models.dataset import Dataset
@@ -38,7 +39,10 @@ class DatasetRetrieverTool(DatasetRetrieverBaseTool):
     def from_dataset(cls, dataset: Dataset, **kwargs):
         description = dataset.description
         if not description:
-            description = "useful for when you want to answer queries about the " + dataset.name
+            description = I18nObject(
+                en_US="useful for when you want to answer queries about the " + dataset.name,
+                zh_Hans="用于回答关于 " + dataset.name + " 的查询",
+            )
 
         description = description.replace("\n", "").replace("\r", "")
         return cls(