diff --git a/packages/vite-plugin-vue-i18n/src/index.ts b/packages/vite-plugin-vue-i18n/src/index.ts
index 1ea2041..0e5db25 100644
--- a/packages/vite-plugin-vue-i18n/src/index.ts
+++ b/packages/vite-plugin-vue-i18n/src/index.ts
@@ -78,6 +78,13 @@ function pluginI18n(
   return {
     name: 'vite-plugin-vue-i18n',
 
+    /**
+     * NOTE:
+     * If we have json (including SFC's custom block),
+     * transform it first because it will be transformed into javascript code by `vite:json` plugin.
+     */
+    enforce: 'pre',
+
     config(config: UserConfig, { command }) {
       if (command === 'build' && runtimeOnly) {
         normalizeConfigResolveAlias(config)
@@ -142,6 +149,23 @@ function pluginI18n(
           if (!/\.json$/.test(id)) {
             return null
           }
+
+          /**
+           * NOTE:
+           * `vite:json` plugin will be handled if the query generated from the result of parse SFC
+           * with `vite:vue` plugin contains json as follows.
+           * e.g src/components/HelloI18n.vue?vue&type=i18n&index=1&lang.json
+           *
+           * To avoid this, return the result that has already been processed (`enforce: 'pre'`) in the wrapped json plugin.
+           */
+          const { query } = parseVueRequest(id)
+          if (query.vue) {
+            return Promise.resolve({
+              code,
+              map: sourceMap ? this.getCombinedSourcemap() : { mappings: '' }
+            })
+          }
+
           if (filter(id)) {
             const map = this.getCombinedSourcemap()
             debug('override json plugin', code, map)
diff --git a/packages/vite-plugin-vue-i18n/test/__snapshots__/sourcemap.test.ts.snap b/packages/vite-plugin-vue-i18n/test/__snapshots__/sourcemap.test.ts.snap
index f7da430..60c3900 100644
--- a/packages/vite-plugin-vue-i18n/test/__snapshots__/sourcemap.test.ts.snap
+++ b/packages/vite-plugin-vue-i18n/test/__snapshots__/sourcemap.test.ts.snap
@@ -1,15 +1,15 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`custom blocks json 1`] = `";;;;;;;;;;;;;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`custom blocks json 1`] = `";;;;;;;;;;;;;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAASA;SACT,UAAU;AAAA;"`;
 
-exports[`custom blocks json5 1`] = `";;;;;;;;;;;;;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`custom blocks json5 1`] = `";;;;;;;;;;;;;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAASA;SACT,UAAU;AAAA;"`;
 
-exports[`custom blocks yaml 1`] = `";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`custom blocks yaml 1`] = `";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAASA;SACT,UAAU;AAAA;"`;
 
-exports[`custom blocks yml 1`] = `";;;;;;;;;;;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`custom blocks yml 1`] = `";;;;;;;;;;;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAASA;SACT,UAAU;AAAA;"`;
 
-exports[`resource files json 1`] = `";;;2EACYA,gDAAAC;;;;;wBAEAC;;;;;;;;;;;;;;;;;;;;;;ACCV;SACO;;;"`;
+exports[`resource files json 1`] = `";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAAS;SACT,UAAU;AAAA;"`;
 
-exports[`resource files json5 1`] = `";;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`resource files json5 1`] = `";;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAAS;SACT,UAAU;AAAA;"`;
 
-exports[`resource files yaml 1`] = `";;;;;;;;;;;AAIE;SACO;;;"`;
+exports[`resource files yaml 1`] = `";;;;;;;;;;;AAGA,IAAI,OAAO,WAAW,aAAa;SAC1B,SAAS;SACT,UAAU;AAAA;"`;