Result is not accurate when querying with multiple readers and multiple sorts field

[sw1136562366]

Describe this problem

The sorting result is not accurate when querying with multiple readers and multiple sorts field

{
                   "size": 20,
                   "query": {
                     "term": {
                       "lang": "Java"
                     }
                   },
                   "sort": [
                     {
                       "forks": {
                         "order": "desc"
                       },
                       "stars": {
                         "order": "desc"
                       }
                     }
                   ]
                 }

To Reproduce

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Expected behavior

What is your expected behavior.

Additional Information

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