Update data_model.md

docs/source/sls/data_model.md

@@ -67,6 +67,7 @@ COMMENT ==================================================================
 | SNRMIN    | 187.4    | Minmum signal to noise of good pixels   | -9999          | float  | C7   |
 | SNRMAX    | 1.2      | Maxmum signal to noise of good pixels   | -9999          | float  | C7  |
 | SNRMEAN   | 3.38     | Average of the dark values subtracted   | -9999          | float  | C7   |
+| CRCOUNT | 89898 | Cosmic ray counts | -9999 | float | C7 |
 
 VER_INST 仪器改正版本号
 STA_INST 仪器改正状态