diff --git a/generator/generator.go b/generator/generator.go
index e4fe127..e9fb39d 100644
--- a/generator/generator.go
+++ b/generator/generator.go
@@ -21,6 +21,8 @@ func NewGenerator(dir string) (*Generator, error) {
 		return fo.BasePackage
 	})
 
+	psr.IgnoreOmittedJSONField = true
+
 	if err != nil {
 		return nil, xerrors.Errorf("failed to initialize parser: %w", err)
 	}
diff --git a/go.mod b/go.mod
index 149534a..a8eda59 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.22.3
 require (
 	cloud.google.com/go/firestore v1.16.0
 	github.com/fatih/structtag v1.2.0
-	github.com/go-generalize/go-easyparser v0.3.3
+	github.com/go-generalize/go-easyparser v0.4.1
 	github.com/go-utils/cont v0.1.2
 	github.com/go-utils/dedupe v1.0.1
 	github.com/go-utils/gopackages v0.1.0
@@ -16,7 +16,7 @@ require (
 	github.com/iancoleman/strcase v0.3.0
 	golang.org/x/xerrors v0.0.0-20240716161551-93cc26a95ae9
 	google.golang.org/api v0.189.0
-	google.golang.org/genproto v0.0.0-20240725223205-93522f1f2a9f
+	google.golang.org/genproto v0.0.0-20240730163845-b1a4ccb954bf
 	google.golang.org/grpc v1.65.0
 )
 
@@ -48,7 +48,7 @@ require (
 	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	golang.org/x/tools v0.23.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240725223205-93522f1f2a9f // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240725223205-93522f1f2a9f // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
 )
diff --git a/go.sum b/go.sum
index 7bc8848..e6e3649 100644
--- a/go.sum
+++ b/go.sum
@@ -26,8 +26,10 @@ github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4
 github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/go-generalize/go-easyparser v0.3.3 h1:sX1y6pON1dWEjVIzQr1FHRboM/4LRdXmTJHQf/h4caM=
-github.com/go-generalize/go-easyparser v0.3.3/go.mod h1:8Rs26IvI49PII6hWsIRw02/rJrzBrxSrkDgY+Wbt+2E=
+github.com/go-generalize/go-easyparser v0.4.0 h1:nEg5JFJSIh/7aZq2XiDmAGixyAZ9O1qrz9emYHqcBcc=
+github.com/go-generalize/go-easyparser v0.4.0/go.mod h1:OprIVIGYHiFngq1sLbO6yG4VzesTspHXPzXJZk+aEuk=
+github.com/go-generalize/go-easyparser v0.4.1 h1:d+pFsigMIqdo/T5b8gu243fauMt3d3IMjOsMR9KF1NU=
+github.com/go-generalize/go-easyparser v0.4.1/go.mod h1:OprIVIGYHiFngq1sLbO6yG4VzesTspHXPzXJZk+aEuk=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -176,12 +178,12 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20240725223205-93522f1f2a9f h1:htT2I9bZvGm+110zq8bIErMX+WgBWxCzV3ChwbvnKnc=
-google.golang.org/genproto v0.0.0-20240725223205-93522f1f2a9f/go.mod h1:Sk3mLpoDFTAp6R4OvlcUgaG4ISTspKeFsIAXMn9Bm4Y=
-google.golang.org/genproto/googleapis/api v0.0.0-20240725223205-93522f1f2a9f h1:b1Ln/PG8orm0SsBbHZWke8dDp2lrCD4jSmfglFpTZbk=
-google.golang.org/genproto/googleapis/api v0.0.0-20240725223205-93522f1f2a9f/go.mod h1:AHT0dDg3SoMOgZGnZk29b5xTbPHMoEC8qthmBLJCpys=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240725223205-93522f1f2a9f h1:RARaIm8pxYuxyNPbBQf5igT7XdOyCNtat1qAT2ZxjU4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240725223205-93522f1f2a9f/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
+google.golang.org/genproto v0.0.0-20240730163845-b1a4ccb954bf h1:OqdXDEakZCVtDiZTjcxfwbHPCT11ycCEsTKesBVKvyY=
+google.golang.org/genproto v0.0.0-20240730163845-b1a4ccb954bf/go.mod h1:mCr1K1c8kX+1iSBREvU3Juo11CB+QOEWxbRS01wWl5M=
+google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf h1:GillM0Ef0pkZPIB+5iO6SDK+4T9pf6TpaYR6ICD5rVE=
+google.golang.org/genproto/googleapis/api v0.0.0-20240730163845-b1a4ccb954bf/go.mod h1:OFMYQFHJ4TM3JRlWDZhJbZfra2uqc3WLBZiaaqP4DtU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf h1:liao9UHurZLtiEwBgT9LMOnKYsHze6eA6w1KQCMVN2Q=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240730163845-b1a4ccb954bf/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=