```\n        // fix price decimal\n        if (tokenDecimal != 18) {\n            uint256 fixDecimal = 18 - tokenDecimal;\n            bidDownPrice = bidDownPrice / (10 ** fixDecimal);\n            bidUpPrice = bidUpPrice / (10 ** fixDecimal);\n            askDownPrice = askDownPrice * (10 ** fixDecimal);\n            askUpPrice = askUpPrice * (10 ** fixDecimal);\n        }\n```\n