Fix syn error. (infiniflow#3953)

### What problem does this PR solve?

Close infiniflow#3696
### Type of change

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

rag/app/resume.py

@@ -64,7 +64,7 @@ def remote_call(filename, binary):
             resume = step_two.parse(resume)
             return resume
         except Exception:
-            logging.exception("Resume parser error")
+            logging.exception("Resume parser has not been supported yet!")
     return {}
 
 

rag/nlp/query.py

@@ -86,10 +86,10 @@ def question(self, txt, tbl="qa", min_match:float=0.6):
                 syn = self.syn.lookup(tk)
                 syn = rag_tokenizer.tokenize(" ".join(syn)).split()
                 keywords.extend(syn)
-                syn = ["\"{}\"^{:.4f}".format(s, w / 4.) for s in syn]
+                syn = ["\"{}\"^{:.4f}".format(s, w / 4.) for s in syn if s]
                 syns.append(" ".join(syn))
 
-            q = ["({}^{:.4f}".format(tk, w) + " {})".format(syn) for (tk, w), syn in zip(tks_w, syns) if tk]
+            q = ["({}^{:.4f}".format(tk, w) + " {})".format(syn) for (tk, w), syn in zip(tks_w, syns) if tk and not re.match(r"[.^+\(\)-]", tk)]
             for i in range(1, len(tks_w)):
                 q.append(
                     '"%s %s"^%.4f'