diff --git a/api/desc/core/pcm-core.api b/api/desc/core/pcm-core.api
index 0a89111a..ac53fb8e 100644
--- a/api/desc/core/pcm-core.api
+++ b/api/desc/core/pcm-core.api
@@ -7,6 +7,17 @@ info(
     email: "450705171@qq.com"
 )
 
+type (
+    tasksNumReq {
+
+    }
+    tasksNumResp {
+        totalNum int64 `json:"totalNum"`
+        runningNum int64 `json:"runningNum"`
+        completedNum int64 `json:"completedNum"`
+    }
+)
+
 type (
     submitJobReq {
         SlurmVersion string `json:"slurmVersion"`
diff --git a/api/desc/pcm.api b/api/desc/pcm.api
index 69ab4ceb..c66f3b1e 100644
--- a/api/desc/pcm.api
+++ b/api/desc/pcm.api
@@ -23,6 +23,7 @@ info(
 	prefix: pcm/v1
 	group : core
 )
+
 service pcm {
 	@doc "查询P端服务列表"
 	@handler participantListHandler
@@ -104,6 +105,10 @@ service pcm {
 	@handler saveHashcatHandler
 	post /core/saveHashcat (SaveHashcatReq)
 
+	@doc "Task Data Statistics"
+	@handler tasksNumHandler
+	get /core/tasks/num (tasksNumReq) returns (tasksNumResp)
+
 	@doc "获取hashcat"
 	@handler getHashcatHandler
 	get /core/getHashcat/:crackTaskId (getHashcatHandlerReq) returns (getHashcatHandlerResp)