Fix batch size issue. (#3675)

### What problem does this PR solve?

#3657

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

rag/nlp/query.py

@@ -54,7 +54,7 @@ class FulltextQueryer:
     def rmWWW(txt):
         patts = [
             (
-                r"是*(什么样的|哪家|一下|那家|请问|啥样|咋样了|什么时候|何时|何地|何人|是否|是不是|多少|哪里|怎么|哪儿|怎么样|如何|哪些|是啥|啥是|啊|吗|呢|吧|咋|什么|有没有|呀)是*",
+                r"是*(什么样的|哪家|一下|那家|请问|啥样|咋样了|什么时候|何时|何地|何人|是否|是不是|多少|哪里|怎么|哪儿|怎么样|如何|哪些|是啥|啥是|啊|吗|呢|吧|咋|什么|有没有|呀|谁|哪位|哪个)是*",
                 "",
             ),
             (r"(^| )(what|who|how|which|where|why)('re|'s)? ", " "),

rag/nlp/term_weight.py

@@ -228,7 +228,7 @@ class Dealer:
             idf2 = np.array([idf(df(t), 1000000000) for t in tks])
             wts = (0.3 * idf1 + 0.7 * idf2) * \
                 np.array([ner(t) * postag(t) for t in tks])
-            wts = [math.pow(s, 2) for s in wts]
+            wts = [s for s in wts]
             tw = list(zip(tks, wts))
         else:
             for tk in tks:
@@ -237,7 +237,7 @@ class Dealer:
                 idf2 = np.array([idf(df(t), 1000000000) for t in tt])
                 wts = (0.3 * idf1 + 0.7 * idf2) * \
                     np.array([ner(t) * postag(t) for t in tt])
-                wts = [math.pow(s, 2) for s in wts]
+                wts = [s for s in wts]
                 tw.extend(zip(tt, wts))
 
         S = np.sum([s for _, s in tw])