diff --git a/.changeset/weak-beds-tap.md b/.changeset/weak-beds-tap.md
new file mode 100644
index 0000000..a09c644
--- /dev/null
+++ b/.changeset/weak-beds-tap.md
@@ -0,0 +1,5 @@
+---
+'openapi-ts-request': patch
+---
+
+fix: fix generate number type enum error #117
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 52c1df2..ca3b061 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -10,13 +10,13 @@ importers:
     dependencies:
       '@prettier/sync':
         specifier: ^0.5.2
-        version: 0.5.2(prettier@3.3.3)
+        version: 0.5.2(prettier@3.4.1)
       '@trivago/prettier-plugin-sort-imports':
         specifier: ^4.3.0
-        version: 4.3.0(prettier@3.3.3)
+        version: 4.3.0(prettier@3.4.1)
       axios:
         specifier: ^1.7.2
-        version: 1.7.7
+        version: 1.7.8
       bing-translate-api:
         specifier: ^4.0.2
         version: 4.0.2
@@ -55,7 +55,7 @@ importers:
         version: 3.2.4
       prettier:
         specifier: ^3.3.2
-        version: 3.3.3
+        version: 3.4.1
       reserved-words:
         specifier: ^0.1.2
         version: 0.1.2
@@ -625,8 +625,8 @@ packages:
   asynckit@0.4.0:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
 
-  axios@1.7.7:
-    resolution: {integrity: sha512-S4kL7XrjgBmvdGut0sN3yJxqYzrDOnivkBiN0OFs6hLiUam3UPvswUo0kqGyhqUZGEOytHyumEdXsAkgCOUf3Q==}
+  axios@1.7.8:
+    resolution: {integrity: sha512-Uu0wb7KNqK2t5K+YQyVCLM76prD5sRFjKHbJYCP1J7JFGEQ6nN7HWn9+04LAeiJ3ji54lgS/gZCH1oxyrf1SPw==}
 
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
@@ -1606,8 +1606,8 @@ packages:
     engines: {node: '>=10.13.0'}
     hasBin: true
 
-  prettier@3.3.3:
-    resolution: {integrity: sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==}
+  prettier@3.4.1:
+    resolution: {integrity: sha512-G+YdqtITVZmOJje6QkXQWzl3fSfMxFwm1tjTyo9exhkmWSqC4Yhd1+lug++IlR2mvRVAxEDDWYkQdeSztajqgg==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -2412,10 +2412,10 @@ snapshots:
       '@nodelib/fs.scandir': 2.1.5
       fastq: 1.17.1
 
-  '@prettier/sync@0.5.2(prettier@3.3.3)':
+  '@prettier/sync@0.5.2(prettier@3.4.1)':
     dependencies:
       make-synchronized: 0.2.9
-      prettier: 3.3.3
+      prettier: 3.4.1
 
   '@sindresorhus/is@4.6.0': {}
 
@@ -2423,7 +2423,7 @@ snapshots:
     dependencies:
       defer-to-connect: 2.0.1
 
-  '@trivago/prettier-plugin-sort-imports@4.3.0(prettier@3.3.3)':
+  '@trivago/prettier-plugin-sort-imports@4.3.0(prettier@3.4.1)':
     dependencies:
       '@babel/generator': 7.17.7
       '@babel/parser': 7.25.6
@@ -2431,7 +2431,7 @@ snapshots:
       '@babel/types': 7.17.0
       javascript-natural-sort: 0.7.1
       lodash: 4.17.21
-      prettier: 3.3.3
+      prettier: 3.4.1
     transitivePeerDependencies:
       - supports-color
 
@@ -2637,7 +2637,7 @@ snapshots:
 
   asynckit@0.4.0: {}
 
-  axios@1.7.7:
+  axios@1.7.8:
     dependencies:
       follow-redirects: 1.15.9
       form-data: 4.0.0
@@ -3592,7 +3592,7 @@ snapshots:
 
   prettier@2.8.8: {}
 
-  prettier@3.3.3: {}
+  prettier@3.4.1: {}
 
   proxy-from-env@1.1.0: {}
 
diff --git a/src/generator/serviceGenarator.ts b/src/generator/serviceGenarator.ts
index 70a9609..1ef0ca6 100644
--- a/src/generator/serviceGenarator.ts
+++ b/src/generator/serviceGenarator.ts
@@ -1074,7 +1074,7 @@ export default class ServiceGenerator {
     let enumLabelTypeStr = '';
 
     if (numberEnum.includes(schemaObject.type) || isAllNumeric(enumArray)) {
-      enumStr = `{${map(enumArray, (value) => `NUMBER_${value}=${Number(value)}`).join(',')}}`;
+      enumStr = `{${map(enumArray, (value) => `"NUMBER_${value}"=${Number(value)}`).join(',')}}`;
     } else {
       enumStr = `{${map(enumArray, (value) => `${value}="${value}"`).join(',')}}`;
     }
@@ -1094,7 +1094,7 @@ export default class ServiceGenerator {
       }).join(',')}}`;
     } else {
       if (numberEnum.includes(schemaObject.type) || isAllNumeric(enumArray)) {
-        enumLabelTypeStr = `{${map(enumArray, (value) => `NUMBER_${value}:${Number(value)}`).join(',')}}`;
+        enumLabelTypeStr = `{${map(enumArray, (value) => `"NUMBER_${value}":${Number(value)}`).join(',')}}`;
       } else {
         enumLabelTypeStr = `{${map(enumArray, (value) => `${value}:"${value}"`).join(',')}}`;
       }
diff --git a/src/generator/util.ts b/src/generator/util.ts
index 7a33a71..3b09e39 100644
--- a/src/generator/util.ts
+++ b/src/generator/util.ts
@@ -481,5 +481,5 @@ export function resolveRefs(obj: OpenAPIObject, fields: string[]) {
 }
 
 export function isAllNumeric(arr) {
-  return every(arr, (item) => isString(item) && /^[0-9]+$/.test(item));
+  return every(arr, (item) => isString(item) && /^-?[0-9]+$/.test(item));
 }
diff --git a/test/example-files/openapi-number-enum.json b/test/example-files/openapi-number-enum.json
index ead55d5..9b149f7 100644
--- a/test/example-files/openapi-number-enum.json
+++ b/test/example-files/openapi-number-enum.json
@@ -153,6 +153,8 @@
       "Poi2CategoryEnum": {
         "type": "string",
         "enum": [
+          "-1",
+          "-1000",
           "010700",
           "010800",
           "010900",