Merge branch 'feature/eta2.4.4_gpr_risk' into debug

# Conflicts:
#	utils/constants.go

utils/constants.go

@@ -191,7 +191,7 @@ const (
 	DATA_SOURCE_MAPPING_RESIDUAL                     = 99       // 映射残差
 	DATA_SOURCE_FIT_RESIDUAL                         = 100      // 拟合残差
 	DATA_SOURCE_CLARKSONS                            = 101      // 克拉克森数据
-	DATA_SOURCE_GPR_RISK                             = 102
+	DATA_SOURCE_GPR_RISK                             = 102      //GPR地缘风险指数
 )
 
 // 数据刷新频率