Attach (recommended) or Link to PDF file here:
[测试文件.pdf](https://github.com/mozilla/pdf.js/files/7147166/default.pdf)

Configuration:
- Web browser and its version:chrome 92.0.4515.131
- Operating system and its [version:](url) windows
- PDF.js version:v2.9.359
- Is a browser extension:no

Steps to reproduce the problem:
1. use pdf.js to open this pdf file
2. incomplete content display


What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935415-2b52322d-561c-4f60-97df-24e4429743ff.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935425-e5e6605b-71f5-4065-bb89-5c0fdbe1564b.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

warn("Unterminated string");
              done = true;
              break;
            case 0x6e: 
              strBuf.push("\n");
              break;
            case 0x72: 
              strBuf.push("\r");
              break;
            case 0x74: 
              strBuf.push("\t");
              break;
            case 0x62: 
              strBuf.push("\b");
              break;
            case 0x66: 
              strBuf.push("\f");
              break;
            case 0x5c: 
            case 0x28: 
            case 0x29: 
              strBuf.push(String.fromCharCode(ch));
              break;
            case 0x30: 
            case 0x31: 
            case 0x32: 
            case 0x33: 
            case 0x34: 
            case 0x35: 
            case 0x36: