uniapp发行h5项目编译报错

日志如下，浏览器编译运行正常，就是发行出现问题。编译的时候错误日志如下。以前的项目是编译正常的

项目 'meiyu-erp-mp' 开始发布h5...  
[HBuilder] 12:03:03.565 项目 'meiyu-erp-mp' 开始编译...  
[HBuilder] 12:03:42.180 Module build failed (from ./node_modules/postcss-loader/src/index.js):  
[HBuilder] 12:03:42.181 TypeError: Cannot read property 'length' of undefined  
[HBuilder] 12:03:42.190     at D:\dstproject\meiyu-erp-mp\pages\login\login.vue:200:2  
[HBuilder] 12:03:42.190     at module.exports (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\unit.js:9:22)  
[HBuilder] 12:03:42.197     at args.forEach (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:57:61)  
[HBuilder] 12:03:42.198     at Array.forEach (<anonymous>)  
[HBuilder] 12:03:42.211     at decl.value.walk.node (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:52:18)  
[HBuilder] 12:03:42.212     at walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\walk.js:7:16)  
[HBuilder] 12:03:42.228     at ValueParser.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\index.js:18:3)  
[HBuilder] 12:03:42.229     at optimise (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:40:64)  
[HBuilder] 12:03:42.241     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:190:18  
[HBuilder] 12:03:42.242     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:135:18  
[HBuilder] 12:03:42.250     at Rule.each (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:101:16)  
[HBuilder] 12:03:42.251     at Rule.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:131:17)  
[HBuilder] 12:03:42.262     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:148:24  
[HBuilder] 12:03:42.262     at Root.each (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:101:16)  
[HBuilder] 12:03:42.273     at Root.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:131:17)  
[HBuilder] 12:03:42.273     at Root.walkDecls (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:188:19)  
[HBuilder] 12:03:42.283     at css (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:139:23)  
[HBuilder] 12:03:42.284 Module build failed (from ./node_modules/postcss-loader/src/index.js):  
[HBuilder] 12:03:42.293 TypeError: Cannot read property 'length' of undefined  
[HBuilder] 12:03:42.294     at D:\dstproject\meiyu-erp-mp\pages\updata_input\updata_input.vue:248:2  
[HBuilder] 12:03:42.302     at module.exports (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\unit.js:9:22)  
[HBuilder] 12:03:42.303     at args.forEach (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:57:61)  
[HBuilder] 12:03:42.311     at Array.forEach (<anonymous>)  
[HBuilder] 12:03:42.311     at decl.value.walk.node (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:52:18)  
[HBuilder] 12:03:42.320     at walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\walk.js:7:16)  
[HBuilder] 12:03:42.321     at ValueParser.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-value-parser\lib\index.js:18:3)  
[HBuilder] 12:03:42.330     at optimise (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:40:64)  
[HBuilder] 12:03:42.330     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:190:18  
[HBuilder] 12:03:42.339     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:135:18  
[HBuilder] 12:03:42.340     at Rule.each (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:101:16)  
[HBuilder] 12:03:42.347     at Rule.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:131:17)  
[HBuilder] 12:03:42.349     at D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:148:24  
[HBuilder] 12:03:42.357     at Root.each (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:101:16)  
[HBuilder] 12:03:42.358     at Root.walk (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:131:17)  
[HBuilder] 12:03:42.368     at Root.walkDecls (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-loader\node_modules\postcss\lib\container.js:188:19)  
[HBuilder] 12:03:42.369     at css (D:\HBuilderX\plugins\uniapp-cli\node_modules\postcss-minify-gradients\dist\index.js:139:23)  
[HBuilder] 12:03:42.377  ERROR  Build failed with errors.  
[HBuilder] 12:03:42.387 项目 'meiyu-erp-mp' 发布h5失败.