diff --git a/packages/contract-cli/package.json b/packages/contract-cli/package.json
index 0d66842bc7ca8dbbe65d8e134fa6e608cba9897c..ab8951e094664033af8322d97ee0d383e557a700 100755
--- a/packages/contract-cli/package.json
+++ b/packages/contract-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jsonql-contract",
-  "version": "1.7.18",
+  "version": "1.7.19",
   "description": "JS API / command line tool to generate the contract.json for jsonql",
   "main": "index.js",
   "files": [
diff --git a/packages/contract-cli/src/ast/jsdoc.js b/packages/contract-cli/src/ast/jsdoc.js
index 8452614afbd410c6ee35fee42ee7b9529f78aa6c..068b66ffcf0b34e53e24a6227a9f7a57c987451c 100644
--- a/packages/contract-cli/src/ast/jsdoc.js
+++ b/packages/contract-cli/src/ast/jsdoc.js
@@ -146,7 +146,7 @@ const processParams = function(params) {
  * @return {*} false on nothing
  */
 const getParams = res => (
-  res.params ? ( foldParams( processParams(res.params) ) || false )
+  !!res.params ? ( foldParams( processParams(res.params) ) || false ) 
              : ( res.undocumented ? false : [] )
 )
 
@@ -171,14 +171,15 @@ const search = function(output, name = '') {
 
     debug(`----------------${resolverName}---------------------`)
     debug('res.meta', detailOut(res.meta))
-    debug('res.params', detailOut(res.params), res.params)
+    debug('res.params', detailOut(res.params))
+    debug('res.returns', detailOut(res.returns))
 
     return {
       name: resolverName,
       description: res.description || false,
-      // @BUG The strange bug happens here, it should not call the processed but still calling it???
       params: getParams(res),
-      returns: processParams(res.returns) || false
+      // @BUG The strange bug happens here, it should not call the processed but still calling it???
+      returns: processParams(res.returns)
     }
   }).reduce((first, next) => {
     return next || false
diff --git a/packages/resolver/package.json b/packages/resolver/package.json
index 6d088c06974d87b3ead0800598fcf0f36fe0e0d9..fadea0938e8570d28af3d6434729b111923bf21c 100644
--- a/packages/resolver/package.json
+++ b/packages/resolver/package.json
@@ -10,6 +10,7 @@
   "scripts": {
     "test": "ava --verbose",
     "test:clients": "DEBUG=jsonql* ava --verbose ./tests/clients.test.js",
+    "test:throw": "DEBUG=jsonql* ava --verbose ./tests/throw.test.js",
     "contract": "DEBUG=jsonql-contract* jsonql-contract create ./tests/fixtures/resolvers ./tests/fixtures/contract"
   },
   "keywords": [
@@ -34,7 +35,7 @@
   },
   "devDependencies": {
     "ava": "^2.4.0",
-    "jsonql-contract": "^1.7.16",
+    "jsonql-contract": "^1.7.18",
     "jsonql-koa": "^1.3.9",
     "server-io-core": "^1.2.0"
   },
diff --git a/packages/resolver/tests/throw.test.js b/packages/resolver/tests/throw.test.js
index 7d52b6a63d277585439fdf692bf6a49c21d16edc..9d4bf285130da1d77d7e587faae3bf0477fce25a 100644
--- a/packages/resolver/tests/throw.test.js
+++ b/packages/resolver/tests/throw.test.js
@@ -18,6 +18,11 @@ test.before(async t => {
 })
 
 
-test.skip(`When resolver throw error, it should able to throw back a JsonqlResolverAppError`, async t => {
+test(`When resolver throw error, it should able to throw back a JsonqlResolverAppError`, async t => {
+  const res = {}
+
+  t.false(!!res.params)
+
+  t.false(Array.isArray(res.params))
 
 })