如题 program does not exist

setting.json:

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "targetArchitecture": "x86",
            "program": "${fileDirname}/${fileBasenameNoExtension}",
            "miDebuggerPath": "E:/byq/bin/gdb.exe",
            "args": [],
            "stopAtEntry": false,
            "cwd": "${fileDirname}",
            "externalConsole": true,
            "preLaunchTask": "g++"
        }
    ]
}

tasks.json:

{
  "version": "2.0.0",
  "command": "g++",
  "type": "shell",
  "presentation": {
    "echo": true,
    "reveal": "always",
    "focus": false,
    "panel": "shared",
    "showReuseMessage": true,
    "clear": false
  },
  "args": ["-m32","-g", "${file}", "-o", "${fileDirname}/${fileBasenameNoExtension}"],
  "problemMatcher": {
    "owner": "cpp",
    "fileLocation": ["relative", "${workspaceRoot}"],
    "pattern": {
      "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
      "file": 1,
      "line": 2,
      "column": 3,
      "severity": 4,
      "message": 5
    }
  }
}

试了几种办法都没用 心态已炸 先去睡觉了