Fixed the duplicate data check problem, history filter and add tts stream (#477)

projects/app/public/locales/en/common.json

@@ -313,10 +313,12 @@
         "Course": "Document",
         "Delete": "Delete",
         "Index": "Index({{amount}})"
-      }
+      },
+      "input is empty": "The data content cannot be empty"
     },
     "deleteDatasetTips": "Are you sure to delete the knowledge base? Data cannot be recovered after deletion, please confirm!",
     "deleteFolderTips": "Are you sure to delete this folder and all the knowledge bases it contains? Data cannot be recovered after deletion, please confirm!",
+    "import csv tip": "Ensure that the CSV is in UTF-8 format; otherwise, garbled characters will be displayed",
     "recall": {
       "rerank": "Rerank"
     },

projects/app/public/locales/zh/common.json

@@ -313,10 +313,12 @@
         "Course": "说明文档",
         "Delete": "删除数据",
         "Index": "数据索引({{amount}})"
-      }
+      },
+      "input is empty": "数据内容不能为空 "
     },
     "deleteDatasetTips": "确认删除该知识库？删除后数据无法恢复，请确认！",
     "deleteFolderTips": "确认删除该文件夹及其包含的所有知识库？删除后数据无法恢复，请确认！",
+    "import csv tip": "请确保CSV为UTF-8格式，否则会乱码",
     "recall": {
       "rerank": "结果重排"
     },