perf: comment

src/service/response.ts

@@ -49,6 +49,6 @@ export const jsonRes = <T = any>(
     code,
     statusText: '',
     message: msg,
-    data: data || error || null
+    data: data || null
   });
 };

src/utils/tools.ts

@@ -127,6 +127,9 @@ export const readDocContent = (file: File) =>
     };
   });
 
+/**
+ * 向量转成 float32 buffer 格式
+ */
 export const vectorToBuffer = (vector: number[]) => {
   const npVector = new Float32Array(vector);