New translations solidity.json (Chinese Simplified)

apps/remix-ide/src/app/tabs/locales/zh/solidity.json

@@ -22,10 +22,10 @@
   "solidity.noFileSelected": "未选中文件",
   "solidity.compileAndRunScript": "编译且执行脚本",
   "solidity.publishOn": "发布到",
-  "solidity.flatten": "",
-  "solidity.generateUML": "",
-  "solidity.flattenLabel": "",
-  "solidity.generateUMLLabel": "",
+  "solidity.flatten": "Flatten contracts before UML generation.",
+  "solidity.generateUML": "Generate a UML diagram of your contract.",
+  "solidity.flattenLabel": "Flatten",
+  "solidity.generateUMLLabel": "Generate UML Diagram",
   "solidity.Assembly": "合约的汇编操作码，包含对应的solidity源程序",
   "solidity.Opcodes": "合约的汇编操作码",
   "solidity.name": "已编译合约的名称",